Annual Review of Pteridological Research - 1997

Literature Citations All Citations

1. Ackers, G. 1997. Fern hardiness symposium: Introduction--The hardiness world. Pteridologist 3: 54-57. horticulture

2. Ackers, G. 1997. Field identification of three ferns occurring in Macaronesia. Pteridologist 3: 79-84. Stegnogramma pozoi, Christella dentata, Deparia petersenii

3. Adams, C. D. 1997. Pot-Luck synonomy. Pp. 145-160. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

4. Aedo, C., Aldasoro, J. J., Arguelles, J. M., Diaz Alonso, J. L., Diez Riol, A., Gonzalez Del Valle, J. M., Lainz, M., Moreno Moral, G., Patallo, J. & Sanchez Pedraja, O. 1997. Contributions to the knowledge of the Cantabrian flora, III. Anales del Jardin Botanico de Madrid 55: 321-350. Pilularia floristics, Spain

5. Akama, K., Nass, A., Junker, V. & Beier, H. 1997. Characterization of nuclear tRNA-Tyr introns: Their evolution from red algae to higher plants. FEBS Letters 417: 213-218. Rumohra RNA, phylogeny

6. Alagesaboopathi, C. 1997. Micromorphological studies of Adiantum capillus-veneris L. from Shevaroy Hills. Journal of Plant Anatomy and Morphology (Jodhpur) 7: 166-168. morphology, spore, gametophyte, India

7. Alford, M. H. & Hamilton, R. G. 1997. Clonal growth in Pleopeltis polypodioides. Bulletin of the Ecological Society of America 78: 215. Abstract ecology

8. Allen, T. B. 1997. A fine structural analysis of chloroplast development stages in the fern Davallia fejeensis with comparisons to chloroplasts of other major plant groups. Columbia University Teacher's College, pp. Dissertation

9. Ambrozek, A., Maszewski, J. & Kazmierczak, A. 1997. Effect of caffeine on the development of prothallia and antheridia in Anemia phyllitidis. Acta Biologica Cracoviensia Series Zoologia 39: 47. Abstract gametophyte, development

10. Andrade, J. L. & Nobel, P. S. 1997. Microhabitats and water relations of epiphytic cacti and ferns in a lowland neotropical forest. Biotropica 29: 261-270. Polypodium crassifolium, Polypodium phyllitidis physiology, neotropics

11. Anzalone, B., Lattanzi, E., Lucchese, F. & Padula, M. 1997. The vascular flora of the Circeo National Park (Parco Nazionale del Circeo-Lazio). Webbia 51: 251-341. Ophioglossum vulgatum, Ophioglossum lusitanicum floristics, Italy

12. Aoki, T., Ohro, T., Hiraga, Y., Suga, T., Uno, M. & Ohta, S. 1997. Biologically active clerodane-type diterpene glycosides from the root-stalks of Dicranopteris pedata. Phytochemistry Oxford 46: 839-844. Gleichenia japonica biochemistry, glycoside, root

13. Apostolakos, P., Panteris, E. & Galatis, B. 1997. Microtubule and actin filament organization during stomatal morphogenesis in the fern Asplenium nidus: I. Guard cell mother cell. Protoplasma 198: 93-106. morphogenesis, microtubule

14. Aquino, A. L. & Turk, S. Z. 1997. Life cycle of Leptysma argentina Bruner 1906 (Acrididae: Leptysminae: Leptysmini). Variability in the pre-reproductive pattern and reproduction. Acta Entomologica Chilena 21: 93-99. Equisetaceae

15. Arens, N. C. 1997. Responses of leaf anatomy to light environment in the tree fern Cyathea caracasana (Cyatheaceae) and its application to some ancient seed ferns. Palaios 12: 84-94. ecology, paleobotany

16. Arreguin-Sanchez, M. D. L. L., Palacios-Chavez, R. & Quiro-Garcia, D. L. 1997. Spore morphology of the genus Pteris from Mexico. Phytologia 83: 67-78. 17. Arreguin-Sanchez, M. L., Cabrera, L. G., Fernandez, N. R., Orozco, L. C., Rodriquez, C. B. & Yepez, B. H. 1997. Introduccion a la Flora del Estado de Queretaro. Consejo Nacional de Ciencia y Tecnologia de Queretaro, 361 pp.

18. Arriaga-Giner, F. J., Rumbero, A. & Wollenweber, E. 1997. Two new epimeric diterpenes from the frond exudate of the fern, Notholaena rigida. Z. Naturforsch 52:

19. Ashton, D. H. & Bassett, O. D. 1997. The effects of foraging by the superb lyrebird Menura novae-hollandiae in Eucalyptus regnans forests at Beenak, Victoria. Australian Journal of Ecology 22: 383-394. Cyathea australis ecology

20. Ayala-Silva, T. & Al-Hamdani, S. 1997. Interactive effects of polylactic acid with different aluminum concentrations on growth, pigment concentrations, and carbohydrate accumulation of Azolla. American Fern Journal 87: 120-126. physiology

21. Azmal, A. K. M., Marumoto, T., Shindo, H. & Nishiyama, M. 1997. Changes in microbial biomass after continuous application of Azolla and rice straw in soil. Soil Science and Plant Nutrition 43: 811-818.

22. Baker, R. A. & Dimichele, W. A. 1997. Biomass allocation in late Pennsylvanian coal-swamp plants. Palaios 12: 127-132. paleobotany

23. Banerjee, G. & Sarker, S. 1997. The role of Salvinia rotundifolia in scavenging aquatic Pb II pollution: A case study. Bioprocess Engineering 17: 295-300. physiology

24. Banks, J. A. 1997. The tranformer genes of the fern Ceratopteris simultaneously promote meristem and archegonia development and repress antheridia development in the developing gametophyte. Genetics 147: 1885-1897.

25. Bao, W. M., Aur, C. W. & Wang, Q. X. 1997. Studies on the development of gametophytes of Thelypteridaceae from North-eastern China. Pp. 91-94. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

26. Barale, G., Philippe, M., Tayech-Mannai, B. & Zarbout, M. 1997. Discovery of a flora with pteridophytes and gymnosperms in the Early Cretaceous from the Tataouine area (South Tunisia). Comptes Rendus de l'Academie des Sciences Serie II A Sciences de la Terre et des Planetes 325: 221-224.

27. Barbacka, M., Szakmany, G. & Jozsa, S. 1997. Upper carboniferous flora from newly collected pebbles of lower Miocene conglomerate in the Western Mecsek Mts. (southern Hungary). Acta Palaeobotanica 37: 5-11.

28. Barbier, D. & Visset, L. 1997. Logne, a peat bog of European ecological interest in the Massif Armorican, western France: Bog development, vegetation and land-use history. Vegetation History and Archaeobotany 6: 69-77. Osmunda regalis

29. Barona, A. & Romero, F. 1997. Relationships among metals in the solid phase of soils and in wild plants. Water Air and Soil Pollution 95: 59-74. Pteridium aquilinum pollution

30. Barreda, V. 1997. Palynomorph assemblage of the Chenque Formation, Late Oligocene- Miocene from Golfo San Jorge basin, Patagonia, Argentina: Part 2. Gymnosperm and colpate pollen. Ameghiniana 34: 81-92. paleobotany

31. Barreda, V. 1997. Palynomorph assemblage of the Chenque Formation, Late Oligocene-- Miocene from Golfo San Jorge basin, Patagonia, Argentina, Part 1: Terrestrial algae, trilete and monolete spores. Ameghiniana 34: 69-80. paleobotany

32. Barros, I. C. L. & Ambrosio, S. T. 1997. Pteridofitas de uma area remanescente de Floresta Atlantica do estado de Pernambuco, Brasil. Acta Botanica Brasilica 11: 105-113.

33. Barros, I. C. L. & Andrade, L. d. H. C. 1997. Pteridofitas medicinais (samambaias, avencas e plantas afins). Editora Universitaria UFPE, 223 pp.

34. Barros, I. C. L. & Fonseca, E. R. d. 1997. Lycopodiaceae Myrbel de Brejo dos Cavalos - Caruaru - Pernambuco. Broteria - Boletim da Sociedade Broteriana 67: 263-270.

35. Barros, I. C. L., Fonseco, E. R. d., Paula, E. d. L. & Valdevino, J. A. 1997. Contribuicao ao estudo taxonomico das pteridofitas occorentes na Reserva Ecologica de Caetes (Paulista - PE). Thelypteridaceae. Dryopteridaceae. Davalliaceae. Polypodiaceae. Lycopodiaceae. Broteria - Boletim da Sociedade Broteriana 67: 271-308.

36. Barros, I. C. L. & Silva, M. B. C. e. 1997. Taxonomia, Padrao de venacao e aparelhos estomaticos de Pteris schwakeana Christ. (Pteridaceae, Pteridofita). Broteria - Boletim da Sociadade Broteriana 67: 257-262.

37. Barthel, M. 1997. Epidermal structures of sphenophylls. Review of Palaeobotany and Palynology 95: 115-127. paleobotany

38. Bartsch, I. & Lawrence, J. 1997. Leaf size and biomass allocation in Thelypteris dentata, Woodwardia virginica, and Osmunda regalis in Central Florida. American Fern Journal 87: 71-76.

39. Basile, A., Spagnuolo, V., Giordano, S., Sorrentino, C., Lavitola, A. & Castaldo-Cobianchi, R. 1997. Induction of antibacterial activity by alpha-D-oligogalacturonides in Nephrolepis sp. (Pteridophyta). International Journal of Antimicrobial Agents 8: 131-134.

40. Basudha, C. & Vishwanath, W. 1997. Formulated feed based on aquatic weed Azolla and fish meal for rearing medium carp Osteobrama belangeri (Valenciennes). Journal of Aquaculture in the Tropics 12: 155-164.

41. Bateman, R. M. & DiMechele, W. A. 1997. Asteroxylales; Isoetales; Lepidodendrales; Lycophyta; Lycopodiales; Lycopsida; Protolepidodendrales; Selaginellales; Zosterophyllopsida. Pp. In S. P. Parker (Ed.). McGraw-Hill encyclopedia of science and technology. McGraw-Hill, New York.

42. Beaman, R. S. & Beaman, J. H. 1997. Distribution and diversity patterns in the pteridophytes of Mount Kinabalu: an application of Geographic Information Systems (GIS) technology. Pp. 161-172. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

43. Beckert, C., Horn, C., Schnitzler, J.-P., Lehning, A., Heller, W. & Veit, M. 1997. Styrylpyrone biosynthesis in Equisetum arvense. Phytochemistry Oxford 44: 275-283. biochemistry

44. Beckett, R. P. 1997. Pressure-volume analysis of a range of poikilohydric plants implies the existence of negative turgor in vegetative cells. Annals of Botany London 79: 145-152. Trichomanes melanotrichum physiology

45. Benlioglu, O., Kaynak, G. & Tarimcilar, G. 1997. Ferns of the Black Sea region of Turkey: Chorological and ecological studies. Fern Gazette 15: 169-192. floristics

46. Bergfield, W. A., Sasseville, D. N., Kremer, R. J. & Souissi, T. 1997. Microbial populations and potential phytotoxicity of rhizobacteria isolated from Jamaican Anthurium. Hortscience 32: 468. Abstract, Rumohra adiantiformis

47. Berry, C. M., Cordi, J. & Stein, W. E. 1997. Morphological models of Devonian Iridopteridales. American Journal of Botany 84 Suppl. 6: 129. Abstract paleobotany

48. Berry, C. M. & Edwards, D. 1997. A new species of the lycopsid Gilboaphyton Arnold from the Devonian of Venezuela and New York State, with a revision of the closely related genus Archaeosigillaria Kidston. Review of Palaeobotany and Palynology 96: 47-70. paleobotany

49. Berry, C. M. & Fairon-Demaret, M. 1997. A reinvestigation of the cladoxylopsid Pseudosporochnus nodosus Leclercq et Banks from the Middle Devonian of Goe, Belgium. International Journal of Plant Sciences 158: 350-372. paleobotany

50. Bhandari, J. B. & Mukhopadhyay, R. 1997. Morphological and anatomical studies on Antrophyum callifolium BL. Phytomorphology 47: 155-160.

51. Bidin, A. A. & Masturi, S. A. 1997. Variations in surface structure of the spores of the fern genus Pteris L. in Malaysia. Malayan Nature Journal 50: 131-139.

52. Bjoraker-Naus, C. A. & Naus, M. T. 1997. The Warm Springs Ranch Dinosaur Locality, Thermopolis, Wyoming: Preliminary floral and faunal analysis. Journal of Vertebrate Paleontology 17: 32A. Abstract paleobotany

53. Boudrie, M., Brugel, E., Dom, O. & Vilks, A. 1997. Plantes interessantes et rares pour le Limousin: nouvelles especes, nouvelles stations. Pteridophytes. Bull. Soc. Bot. Centre-Ouest, n.s. 28: 7-20. French

54. Boufford, D. 1997. Atlas of the flora of New England: Pteridophytes and gymnosperms. Rhodora 98: 1-79. floristics

55. Boulter, M. C. & Manum, S. B. 1997. A lost continent in a temperate Arctic. Endeavour Cambridge 21: 105-113. paleobotany

56. Brandes, A., Heslop-Harrison, J. S., Kamm, A., Kubis, S., Doudrick, R. L. & Schmidt, T. 1997. Comparative analysis of the chromosomal and genomic organization of Ty1-copia-like retrotransposons in pteridophytes, gymnosperms and angiosperms. Plant Molecular Biology 33: 11-21. Selaginella apoda, Pteris cretica molecular

57. Bridges, K. M. & Sheffield, E. 1997. Molecular and morphological analyses of European bracken Pteridium. American Journal of Botany 84 Suppl. 6: 170. Abstract

58. Britton, D. M., Brunton, D. F. & Talbot, S. S. 1997. Isoetes in Alaska, the Yukon, and the Aleutians-a classical biosystematic study and its limitations. American Journal of Botany 84 Suppl. 6: 161. Abstract

59. Brousmiche Delcambre, C., Coquel, R. & Mercier, D. 1997. About the datation of the Col de Tramouillon carboniferous outcrop Massif de Gaulent, South of Briancon . Revue de Paleobiologie 16: 169-179. paleobotany

60. Brousmiche-Delcambre, C., Lugardon, B., Coquel, R. & Goubet, P. 1997. Discovery of the genus Radiitheca in the Sarre-Lorraine coalfield fructification of Filicophyta and ultrastructural features of the genus Microreticulatisporites. Geobios Lyon 30: 3-13. paleobotany

61. Brown, R. C. & Lemmon, B. E. 1997. The quadripolar microtubule system in lower land plants. Journal of Plant Research 110: 93-106. anatomy 62. Brownsey, P. J. & De Lange, P. J. 1997. Asplenium cimmeriorum, a new fern species from New Zealand. New Zealand Journal of Botany 35: 283-292.

63. Brunton, D. F. & Britton, D. M. 1997. Appalachian quillwort Isoetes appalachiana, sp. nov. (Isoetaceae), a new pteridophyte from the eastern United States. Rhodora 99: 118-133.

64. Brunton, D. F. & Britton, D. M. 1997. A new Appalachian Isoetes species in the eastern United States. American Journal of Botany 84 Suppl. 6: 161. Abstract

65. Burrows, J. E. 1997. The use of spore morphology as a taxonomic tool in the delimitation of the southern African species of Ophioglossum L. Pp. 43-66. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

66. Busby, A. R. 1997. Foreign ferns--hardy or not- Pteridologist 3: 57-58. horticulture

67. Bussell, J. D. & James, S. H. 1997. Rocks as museums of evolutionary processes. Journal of the Royal Society of Western Australia 80: 221-229. Isoetes paleobotany

68. Cai, C., Chitaley, S. & Dou, Y. 1997. Studies on some permineralized lycopsid remains from Upper Devonian of North Xinjiang, NW China. American Journal of Botany 84 Suppl. 6: 130. Abstract paleobotany

69. Camus, J. M. 1997. The genus Selaginella (Selaginellaceae) in Malesia. Pp. 59-69. In J. Dransfield et. al. (Ed.). Plant Diversity of Malesia III.

70. Cantrill, D. J. 1997. Hepatophytes from the Early Cretaceous of Alexander Island, Antarctica: Systematics and paleoecology. International Journal of Plant Sciences 158: 476-488. paleobotany

71. Caplen, C. A. & Werth, C. W. 1997. Isozyme studies on the Isoetes riparia complex of eastern North America. American Journal of Botany 84 Suppl. 6: 161. Abstract

72. Carlquist, S. & Schneider, E. L. 1997. SEM studies on vessels in ferns. 2. Pteridium. American Journal of Botany 84: 581-587. anatomy

73. Carlquist, S. & Schneider, E. L. 1997. SEM studies on vessels in ferns: 4. Astrolepis. American Fern Journal 87: 43-50. anatomy

74. Carlquist, S. & Schneider, E. L. 1997. Vessels in Woodsia (Dryopteridaceae). American Journal of Botany 84 Suppl. 6: 180. Abstract anatomy

75. Carlquist, S., Schneider, E. L. & Yatskievych, G. 1997. SEM studies on vessels in ferns. 1. Woodsia obtusa. American Fern Journal 87: 1-8. anatomy

76. Castillo, U. F., Wilkins, A. L., Lauren, D. R., Smith, B. L., Towers, N. R., Alonso-Amelot, M. E. & Jaimes-Espinoza, R. 1997. Isoptaquiloside and caudatoside, illudane-type sesquiterpene glucosides from Pteridium aquilinum var. caudatum. Phytochemistry (Oxford) 44: 901-906. biochemistry

77. Catarino, L. F., Ferreira, M. T. & Moreira, I. S. 1997. Preferences of grass carp for macrophytes in Iberian drainage channels. Journal of Aquatic Plant Management 35: 79-83. Azolla filiculoides Portugal

78. Chai, F. Y. C. 1997. Above-ground biomass estimation of a secondary forest in Sarawak. Journal of Tropical Forest Science 9: 359-368. ecology, tropics

79. Champlin, R. L. 1997. Ferns at Fort Adams State Park, Rhode Island. American Fern Journal 87: 28-29. floristics

80. Chaney, D. S., Dimichele, W. A., Mamay, S. H., Hook, R. W. & Nelson, W. J. 1997. A new flora from the evaporite-bearing Blaine Formation Pease River Group, Lower Permian of King County, Texas. American Journal of Botany 84 Suppl. 6: 131. Abstract paleobotany

81. Chao, Z. & Dai, K. 1997. Identification and commercial varieties investigation of juanbai (herba selaginellae). Acta Academiae Medicinae Shanghai 24: 154-156. flavonoid

82. Chaw, S.-M., Zharkikh, A., Sung, H.-M., Lau, T.-C. & Li, W.-H. 1997. Molecular phylogeny of extant gymnosperms and seed plant evolution: Analysis of nuclear 18S rRNA sequences. Molecular Biology and Evolution 14: 56-68. RNA

83. Che, S.-H. & Kim, W. 1997. Comparison of plant community structures in cut and uncut areas at burned area of Mt. Gumo-san. Journal of Korean Forestry Society 86: 509-520. Pteridium aquilinum ecology, fire

84. Chen, G. X., Huang, G. H., Huang, B., Yu, K. W., Wu, J. & Xu, H. 1997. Nitrous oxide and methane emissions from soil-plant systems. Nutrient Cycling in Agroecosystems 49: 41-45. Azolla ecology

85. Chen, S. F., Xie, Q. H. & Cheng, J. F. 1997. New records of ferns from Jiangxi, China. Bulletin of Botanical Research 17: 56-57.

86. Cheng, Z. Y. & Wu, S. G. 1997. Spore morphology in the Sinopteridaceae. Acta Botanica Yunnanica 19: 75-78. paleobotany

87. Cheng-Sen, L., Hilton, J. & Hemsley, A. R. 1997. Frasnian Upper Devonian evidence for multiple origins of seed-like structures. Botanical Journal of the Linnean Society 123: 133-146. paleobotany

88. Chikwenhere, G. P. & Keswani, C. L. 1997. Economics of biological control of Kariba weed Salvinia molesta Mitchell at Tengwe in north-western Zimbabwe: A case study. International Journal of Pest Management 43: 109-112. agriculture

89. Chiou, W.-L. & Farrar, D. R. 1997. Antheridiogen production and response in Polypodiaceae species. American Journal of Botany 84: 633-640. physiology

90. Chiou, W.-L. & Farrar, D. R. 1997. Comparative gametophyte morphology of selected species of the family Polypodiaceae. American Fern Journal 87: 77-86. physiology

91. Chitaley, S. & Li, C.-S. 1997. A herbaceous lycopsid recovered from the Upper Devonian Cleveland Shale of Ohio, U.S.A. American Journal of Botany 84 Suppl. 6: 131-132. Abstract

92. Chopra, N., Alam, M. S., Ali, M. & Niwa, M. 1997. A novel tirucallane triterpene from Adiantum venustum. Pharmazie 52: 412-413. biochemistry

93. Christensen, H. 1997. Uses of ferns in two indigenous communities in Sarawak, Malaysia. Pp. 178-197. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

94. Christensen, H. 1997. Uses of Plants in two indigenous communities in Sarawak, Malaysia. University of Aarhus, Aarhus. 430 pp. Dissertation

95. Chroscielewska, M., Kazmierczak, A. & Maszewski, J. 1997. Inhibition of G A-3-induced antheridiogenesis in Anemia phyllitidis by peptidic extracts from male sex organs of Chara. Acta Biologica Cracoviensia Series Zoologia 39: 50. Abstract

96. Conant, D. S., Stein, D. B., Attwood, D. K., Raubeson, L. A., Perera, S., Zimmer, E. A., Sweere, J., White, R. A., Turner, M. D., Nishida, H., Ueda, K. & Pintaud, J.-C. 1997. A case study of the evolution of the Cyatheaceae tree ferns comparing the fossil record with neobotanical evidence. American Journal of Botany 84 Suppl. 6: 158. Abstract phylogeny

97. Cordi, J. & Stein, W. E. 1997. A reinvestigation of Cladoxylon dawsonii Read: New data question taxonomic and phylogenetic distinctions between the Devonian Cladoxylopsida and Iridopteridales. American Journal of Botany 84 Suppl. 6: 132. Abstract paleobotany

98. Crane, E. H. 1997. A revised circumscription of the genera of the fern family Vittariaceae. Systematic Botany 22: 509-517. rbcL

99. Crane, P. R. & Kenrick, P. 1997. Diverted development of reproductive organs: A source of morphological innovation in land plants. Plant Systematics and Evolution 206: 161-174. development

100. Cronk, Q. C. B. 1997. Islands: Stability, diversity, conservation. Biodiversity and Conservation 6: 477-493. Dicksonia arborescens ecology

101. Cuellar Del Hoyo, C., Rodero Martinez, M., Bolas Fernandez, F. & Martinez Fernandez, A. R. 1997. The effects of Polypodium leucotomos extract on the specific antibody production patterns in BALB-c mice immunized with third stage larvae antigens of Anisakis simplex. International Journal of Pharmacognosy 35: 153-160. pharmacology

102. Da-Rong, W. 1997. Analyses of correlations between Phoebe bournei and dominant ferns at Luoboyan Natural Reserve in Fujian. Journal of Plant Resources and Environment 6: 15-19.

103. Damus, M., Peterson, R. L., Enstone, D. E. & Peterson, C. A. 1997. Modifications of cortical cell walls in roots of seedless vascular plants. Botanica Acta 110: 190-195. anatomy

104. Dardaine, P. & Parent, G. H. 1997. Presence in Lorraine, Belgian, French, and Luxembourgian of three branched forms of scouring rush Equisetum hyemale L. and E. x moorei Newman. Bulletin de la Societe des Naturalistes Luxembourgeois 0: 53-59.

105. Dassler, C. L. & Farrar, D. R. 1997. Significance of form in fern gametophytes: Clonal, gemmiferous gametophytes of Callistopteris baueriana (Hymenophyllaceae). International Journal of Plant Sciences 158: 622-639.

106. Davison, P. G. 1997. Noteworthy collections: Georgia and South Carolina. Castanea 62: 129. Hymenophyllum tayloriae

107. De La Cretaz, A. L. & Kelty, M. J. 1997. Seed bank depletion resulting from prolonged, intense deer browsing. Bulletin of the Ecological Society of America 78: 239. Abstract, Dennstaedtia punctilobula ecology, herbivory

108. De La Luz Arreguin Sanchez, M., Fernandez Nava, R., Rodriguez Jimenez, A. & Rodriguez Jimenez, C. 1997. Illustrated pteridoflora from Queretaro, state Mexico. American Journal of Botany 84 Suppl. 6: 248. Abstract floristics

109. de la Sota, E. R. & Cassa de Pazos, L. A. 1997. Notes on the neotropical species of Salvinia Seguier. Pp. 193-202. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

110. De Lange, P. J. & Crowcroft, G. M. 1997. Macrothelypteris torresiana (Thelypteridaceae) at North Cape, North Island, New Zealand: A new southern limit for a tropical fern. New Zealand Journal of Botany 35: 555-558.

111. De Sequeria, M. M., Crespi, A. L., De Koe, T., Arriegas, P. I., Carvalho, L. & Amich, F. 1997. Distribution and morphological aspects of three protected species in Portugal. Lagascalia 19: 793-803. Abstract, Marsilea quadrifolia conservation

112. Den Ouden, J. & Vogels, D. 1997. Mechanical resistance by an ectorganic soil layer on root development of seedling Pinus sylvestris. Plant and Soil 197: 209-217. Pteridium aquilinum

113. Deng, S. 1997. Eogonocormus. A new Early Cretaceous fern of Hymenophyllaceae from China. Australian Systematic Botany 10: 59-67. paleobotany

114. Devi, S. & Gupta, P. 1997. Paracrystalline nuclear inclusions in Christella parasitica (L.) Tardieu. Phytomorphology 47: 151-154. development

115. Deyoung, B., Weber, T., Hass, B. & Banks, J. A. 1997. Generating autotetraploid sporophytes and their use in analyzing mutations affecting gametophyte development in the fern Ceratopteris. Genetics 147: 809-814.

116. Dilcher, D., Meitang, M. & Meilic, D. 1997. A new winged seed from the Permian of China. Review of Palaeobotany and Palynology 98: 247-256. paleobotany

117. Dolinsek, J. A. & Camloh, M. 1997. Gametophytic and sporophytic regeneration from bud scales of the fern Platycerium bifurcatum (Cav.) C. Chr. in vitro. Annals of Botany London 80: 23-28.

118. Dominiguez, P. L. & Ly, J. 1997. N balance and energy in pigs fed sugar cane molasses and Azolla meal (Azolla spp.). Cuban Journal of Agricultural Science 31: 69-76. agriculture

119. Dong, F., Wilson, K. G., Qiu, Y.-L. & Palmer, J. D. 1997. Sequence analysis of the first intron in the mitochondrial gene cox2 and its application in phylogenetic study. American Journal of Botany 84 Suppl. 6: 116. Abstract, Equisetum arvense molecular

120. Dubuisson, J.-Y. 1997. RbcL Sequences: A promising tool for the molecular systematics of the fern genus Trichomanes Hymenophyllaceae- Molecular Phylogenetics and Evolution 8: 128-138.

121. Dubuisson, J.-Y. 1997. Systematic relationships within the genus Trichomanes sensu lato (Hymenophyllaceae, Filicopsida): Cladistic analysis based on anatomical and morphological data. Botanical Journal of the Linnean Society 123: 265-296.

122. Dubuisson, J.-Y. 1997. Systematics of the fern genus Trichomanes (Hymenophyllaceae): An empirical combined approach based on morphology and molecules. American Journal of Botany 84 Suppl. 6: 163. Abstract

123. Duran, M., Hunicken, M. A. & Anton, A. M. 1997. New sphenopsida from the Bajo de Veliz Formation, San Luis Province, Argentina. Ameghiniana 34: 259-264. paleobotany

124. Edwards, D., Ewbank, G. & Abbott, G. D. 1997. Flash pyrolysis of the outer cortical tissues in Lower Devonian Psilophyton dawsonii. Botanical Journal of the Linnean Society 124: 345-360. paleobotany

125. Edwards, E. S. & Roux, S. J. 1997. The influence of gravity and light on developmental polarity of single cells of Ceratopteris richardii gametophytes. Biological Bulletin Woods Hole 192: 139-140. physiology

126. Edwards, P. J., FitzGerald, S. M. D., Johns, R. J., Lynas, L., Newman, M. R., Price, M. G. & Wortley, P. J. 1997. R. E. Holttum publications, 1919-1996: A Bibliography. Pp. 7-32. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

127. El-Gholl, N. E., Alfenas, A. C., Junghans, D. T., Schubert, T. S., Miller, J. W. & Leh, R. M. 1997. Description of Calonectria rumohrae sp. nov. Anamorph Cylindrocladium rumohrae sp. nov. Mycotaxon 64: 467-484. Rumohra adiantiformis

128. Elliot, M. R., Striewski, B., Flenley, J. R., Kirkman, J. H. & Sutton, D. G. 1997. A 4300 year palynological and sedimentological records of environmental change and human impact from Wharau Road Swamp, Northland, New Zealand. Journal of the Royal Society of New Zealand 27: 401-418. Pteridium exculentum, Cyathea paleobotany

129. Elliott, K. J. & Hewitt, D. 1997. Forest species diversity in upper elevation hardwood forests in the Southern Appalachian Mountains. Castanea 62: 32-42. Thelypteris noveboracensis ecology

130. Etnier, S. A. 1997. Biological beams: Are there limits to flexibility- American Zoologist 37: 174A. Abstract, Equisetum hyemale

131. Ewers, F. W., Cochard, H. & Tyree, M. T. 1997. A survey of root pressures in vines of a tropical lowland forest. Oecologia Berlin 110: 191-196. Lygodium venustrum physiology

132. Fabbri, F. 1997. On the occurrence of intranuclear proteinaceous inclusions in Pteridophyta. Caryologia 50: 197-238.

133. Fan, Y.-W., Bao, W.-M. & Wang, Q.-X. 1997. Studies on spore morphology of Ophioglossum from China. Acta Botanica Boreali-Occidentalia Sinica 17: 182-189.

134. Fensome, R. A. & Skog, J. E. 1997. 1309. Two proposals of amend provisions regarding form-genera of fossil plants. Taxon 46: 557-562. paleobotany

135. Fernandez, H., Bertrand, A. & Sanchez-Tames, R. 1997. Plantlet regeneration in Asplenium nidus L. and Pteris ensiformis L. by homogenization of BA treated rhizomes. Scientia Horticulturae Amsterdam 68: 243-247. horticulture

136. Fernandez, H., Bertrand, A. B., Feito, I. & Sanchez-Tames, R. 1997. Gametophyte culture in vitro and antheridiogen activity in Blechnum spicant. Plant Cell Tissue and Organ Culture 50: 71-74. horticulture

137. Fernandez, H., Bertrand, A. M. & Sanchez-Tames, R. 1997. Gemmation in cultured gametophytes of Osmunda regalis. Plant Cell Reports 16: 358-362. horticulture

138. Fernandez-Novoa, L., Alvarez, X. A., Sempere, J. M., Miguel-Hidalgo, J. J., Diaz, J., Franco-Maside, A. & Cacabelos, R. 1997. Effects of anapsos on the activity of the enzyme Cu-Zn-superoxide dismutase in an animal model of neuronal degeneration. Methods and Findings in Experimental and Clinical Pharmacology 19: 99-106. Polypodium leucotomos pharmacology

139. Filippini-De Giorgi, A., Holderegger, R. & Schneller, J. J. 1997. Aspects of spore dispersal in Selaginella. American Fern Journal 87: 93-103.

140. Fisher, J. B., Angeles, Ewers, F. W. & Lopez-Portillo, J. 1997. Survey of root pressure in tropical vines and woody species. International Journal of Plant Sciences 158: 44-50. Lygodium physiology

141. Fojcik, B. 1997. Protected plants of the Wyzyna Wielunska. Prace Naukowe Uniwersytetu Slaskiego w Katowicach 0: 125-138. Diphasiastrum complanatum floristics

142. Ford-Werntz, D. I. 1997. The West Virginia Flora Database System: Pteridophytes and gymnosperms in the WVU herbarium WVA . American Journal of Botany 84 Suppl. 6: 193. Abstract

143. Fossi Innamorati, T. 1997. Additions and corrections to the Vascular Flora of the Island of Elba Tuscan Archipelago . Webbia 51: 385-389. Thelypteris palustris Italy, floristics

144. Fraga Arguimbau, P., Saez, L. & Rossello, J. A. 1997. Fragmenta chorologica occidentalia, 5908-5918. Anales del Jardin Botanico de Madrid 55: 150-151. Equisetum, Cheilanthes, Phegopteris, Lastrea

145. Frey, W., Hofmann, M. & Hilger, H. H. 1997. Gametophyte-sporophyte junction in the Lower Devonian plant Horneophyton lignieri- Nova Hedwigia 64: 549-552. paleobotany

146. Freyer, R., Kiefer-Meyer, M.-C. & Koessel, H. 1997. Occurrence of plastid RNA editing in all major lineages of land plants. Proceedings of the National Academy of Sciences of the United States of America 94: 6285-6290. RNA, phyogeny

147. Friese, K. H., Kruse, S., Luedtke, R. & Moeller, H. 1997. The homoeopathic treatment of otitis media in children - comparisons with conventional therapy. International Journal of Clinical Pharmacology and Therapeutics 35: 296-301. Lygodium pharmacology

148. Fuchino, H., Nakamura, H., Hakamatsuka, T., Tanaka, N., Cambie, R. C. & Braggins, J. E. 1997. Two new phytoecdysteroids from the fern Schizaea dichotoma. Natural Medicines 51: 491-492. biochemistry

149. Fuchino, H., Nakamura, H., Wada, H., Hakamatsuka, T. & Tanaka, N. 1997. 5-O-glucosylated kaempferols from the fern Dryopteris dickinsii. Natural Medicines 51: 537-538. biochemistry

150. Furuya, M., Kanno, M., Okamoto, H., Fukuda, S. & Wada, M. 1997. Control of mitosis by phytochrome and a blue-light receptor in fern spores. Plant Physiology Rockville 113: 677-683. Adiantum capillus-veneris phsio

151. Gabriel, A. G. A. 1997. Aspects of collembolan ecology at sub-Antarctic Marion Island. Pp. 215. In Insects in African economy and environment: Proceedings of the joint congress of the Entomological Society of Southern Africa and the African Association of Insect Scientists. Entomological Society of Southern Africa, Pretoria, South Africa. Abstract, Blechnum pennamarina

152. Gadotti, D., Smith, L. H. & Hill, J. P. 1997. Identification of specific gene expression in male sexual organs of the fern Ceratopteris. Molecular Biology of the Cell 8: 433A. Abstract molecular, RNA

153. Gailing, O. 1995-1996. Morphological investigation of the growing point in species of Dryopteris and Athyrium filix-femina L., and of the ramification of Athyrium filix-femina L. Beitraege zur Biologie der Pflanzen 69: 31-41. development, physiology

154. Galal, Y. G. M. 1997. Estimation of nitrogen fixation in an Azolla-rice association using the nitrogen-15 isotope dilution technique. Biology and Fertility of Soils 24: 76-80. ecology

155. Galindo Rosete, C. & Lopez Toledo, L. 1997. Psilotum complanatum Sw. at the Pedregal de San Angel, D.F. Boletin de la Sociedad Botanica de Mexico 0: 147-148. Mexico

156. Galtier, J. 1997. Coal-ball floras of the Namurian-Westphalian of Europe. Review of Palaeobotany and Palynology 95: 51-72. paleobotany

157. Game, J. C. 1997. Botrychium virginianum in California. American Fern Journal 87: 150-152.

158. Gand, G., Kerp, H., Parsons, C. & Martinez-Garcia, E. 1997. Palaeoenvironmental and stratigraphic aspects of animal traces and plant remains in Spanish Permian red beds Pena Sagra, Cantabrian Mountains, Spain . Geobios Lyon 30: 295-318. paleobotany

159. Gandolfo, M. A., Nixon, K. C., Crepet, W. L. & Ratcliffe, G. E. 1997. A new fossil fern assignable to Gleicheniaceae from Late Cretaceous sediments of New Jersey. American Journal of Botany 84: 483-493. paleobotany

160. Gardner, J. L. & Al-Hamdani, S. H. 1997. Interactive effects of aluminum and humic substances on Salvinia. Journal of Aquatic Plant Management 35: 30-34. pollution

161. Gardner, R. O. 1997. A concise account of Selaginella in Fiji. New Zealand Journal of Botany 35: 269-281.

162. Gastony, G. J. & Ungerer, M. C. 1997. Molecular systematics and a revised taxonomy of the onocleoid ferns Dryopteridaceae: Onocleeae . American Journal of Botany 84: 840-849. Onocleopsis, Onoclea, Matteuccia, rbcL

163. Gastony, G. J. & Ungerer, M. C. 1997. The phylogeny and taxonomy of onocleoid ferns (Dryopteridaceae tribe Onocleeae) inferred from rbcL nucleotide sequences. American Journal of Botany 84 Suppl. 6: 163-164. Abstract, Blechnum, Matteuccia, Onocleopsis, Onoclea rbcL

164. Gerrienne, P. 1997. The fossil plants from the Lower Devonian of Marchin northern margin of Dinant Synclinorium, Belgium : V. Psilophyton genseliae sp. nov., with hypotheses on the origin of Trimerophytina. Review of Palaeobotany and Palynology 98: 303-324. paleobotany

165. Gielwanowska, I. & Szczuka, E. 1997. Aggregations of organelles in sporogenesis of pteridophyta and microsporogenesis of Gymnospermae. Bulletin of the Polish Academy of Sciences Biological Sciences 45: 51-55. Ophioglossum vulgatum development, physiology

166. Gilbertson, R. L. & Hemmes, D. E. 1997. Notes on fungi on Hawaiian tree ferns. Mycotaxon 62: 465-487. Cibotium ecology

167. Gonzalez, S., Pathak, M. A., Cuevas, J., Villarrubia, V. G. & Fitzpatrick, T. B. 1997. Topical or oral administration with an extract of Polypodium leucotomos prevents acute sunburn and psoralen-induced phototoxic reactions as well as depletion of Langerhans cells in human skin. Photodermatology Photoimmunology & Photomedicine 13: 50-60. pharmacology

168. Gopalaswamy, G. & Kannaiyan, S. 1997. Performance of Azolla hybrids in lowland rice culture. International Rice Research Notes 22: 28-29. agriculture

169. Gopalaswamy, G., Raj, S. A. & Ranganathan, T. B. 1997. Biofertilizer application strategy to rice Oryza sativa. Indian Journal of Agronomy 42: 68-73. agriculture

170. Goswami, H. K. & Sharma, U. S. 1997. Relic genes in Isoetes pantii Goswami et Arya. Bionature 17: 1-6. India

171. Graefe, U., Derendorf, H. & Veit, M. 1997. Urinary metabolites of flavonoids in humans after application of a crude extract from Equisetum arvense. Pharmaceutical Research New York 14: S386-S387. Abstract pharmacology

172. Grammer, W. A. & Haufler, C. H. 1997. Applying chloroplastic and nuclear DNA sequences to test phylogenetic hypotheses: A case study using the ant-fern genus Lecanopteris (Polypodiaceae). American Journal of Botany 84 Suppl. 6: 164. Abstract

173. Grant, D. R. 1997. Botanical report for 1996: Flowering plants and ferns. Naturalist Rotherham 122: 61-67. floristics

174. Greenway, M. 1997. Nutrient content of wetland plants in constructed wetlands receiving municipal effluent in tropical Australia. Water Science and Technology 35: 135-142. Ceratopteris thalictroides pollution

175. Greer, G. K. 1997. Gametophytic plasticity among four species of homosporous ferns and its relationship to the distribution of sporophyte populations. American Journal of Botany 84 Suppl. 6: 164. Abstract ecology

176. Greer, G. K., Lloyd, R. M. & McCarthy, B. C. 1997. Factors influencing the distribution of pteridophytes in a southeastern Ohio hardwood forest. Journal of the Torrey Botanical Society 124: 11-21. ecology, physiology

177. Greer, G. K. & McCarthy, B. C. 1997. The antheridiogen neighborhood of Polystichum acrostichoides (Dryopteridaceae) on a native substrate. International Journal of Plant Sciences 158: 764-768. ecology

178. Guiles, C. W. 1997. House-plant watering systems: tips for the lazy indoor gardner (focus on ferns). Journal of the Los Angeles International Fern Society 24: 65-68, 76. horticulture

179. Guiles, C. W. 1997. The unchanging fern (fern display in Harvard University's "Glass Flowers" collection). Hardy Fern Foundation Newsletter 7: 6-7, 10.

180. Gupta, R. S. & Dixit, V. P. 1997. Sertoli cell germ cell interaction in male rats after plant extract feeding: A comparative evaluation in developing male pill. International Journal of Andrology 20: 12. Abstract, Marsilea

181. Gurung, V. L. 1997. Primitive and advance characters in some ferns from Nepal. Bionature 17: 13-23. phylogeny

182. Gurung, V. L. 1997. Pterodophytes: The significant group of plants in Nepal Himalaya. Advances in Plant Sciences 10: 33-40.

183. Gutierrez, P. R. & Archangelsky, S. 1997. Haplostigma baldisii sp. nov. a Devonian lycophyte from the Precordillera of San Juan, Argentina. Ameghiniana 34: 275-282. paleobotany

184. Guzman, D., Goni, D. & Lorda, M. 1997. Fragmenta chorologica occidentalia, 5894-5902. Anales del Jardin Botanico de Madrid 55: 149-150. Equisetum

185. Hafez, A. M. A., Zidan, Z. H., Abdel-Megeed, M. I., El-Emam, M. A., Ragab, F. M. & El-Deeb, F. A. 1997. Effect of the plant Azolla pinnata on survival, growth rate, fecundity and hatchability of egg-masses of Biomphalaria alexandrina snails. Journal of the Egyptian Society of Parasitology 27: 825-841. ecology

186. Hagemann, W. 1997. On the development of the tubercles in the fern genus Anogramma. Stapfia 50: 375-391. German

187. Hagemann, W. 1997. Uber die Knollchenbildung an den Gametophyten der Farngattung Anogramma. Stapfia 50: 375-391.

188. Hakamatsuka, T., Tanaka, D., Namatame, Y., Wada, H. & Tanaka, N. 1997. Four new ent-kaurane glycosides from Pteris cretica. Natural Medicines 51: 278-280. biochemistry

189. Hall, D. O., Kannaiyan, S. & Vander Leij, M. 1997. Ammonia biofertilizer production in rice paddies using immobilized A. azollae. Pp. 218-223. In Y. Oshima, E. Spsatt & W. B. Stewart (Ed.). Asian Paddy Fields. Scope International Scientific Symposium Publ. Univ., Saskatchewan.

190. Hanley, T. A. & Brady, W. W. 1997. Understory species composition and production in old-growth western hemlock - Sitka spruce forests of southeastern Alaska. Canadian Journal of Botany 75: 574-580. Athyrium filix-femina ecology

191. Hart, P. E. & Wolniak, S. M. 1997. Developmental regulation of centrin during spermiogenesis in Marsilea vestita. Molecular Biology of the Cell 8: 56A. Abstract

192. Haufler, C. H. 1997. Modes and mechanisms of speciation in pteridophytes. Pp. 291-308. In K. Iwatsuki & P. H. Raven (Ed.). Evolution and diversification of land plants. Springer Verlag, Tokyo.

193. He, H. 1997. A taxonomic revision of the genus Arachniodes in Sichuan. Journal of Chongqing Teachers College (Natural Science Edition) 14: 82-87.

194. Heafner, K. D. 1997. Taxonomic studies of southeastern quillworts (Isoetes). Chinquapin 5: 27.

195. Hellquist, C. E. & Crow, G. E. 1997. The bryophyte and vascular flora of Little Dollar Lake peatland, Mackinac County, Michigan. Rhodora 99: 195-222. floristics

196. Helm, D. J. & Collins, W. B. 1997. Vegetation succession and disturbance on a boreal forest floodplain, Susitna River, Alaska. Canadian Field-Naturalist 111: 553-566. Equisetum variegatum ecology

197. Hemsley, A. R. 1997. Teratisma in living and fossil megaspores of the Lycopsida: Tetrad arrangement and exine ontogeny. Botanical Journal of the Linnean Society 125: 1-24. paleobotany

198. Hennen, J. F. 1997. Uredo vetus sp. nov., the first record of a rust on Selaginella, and the use of the name Uredo. Mycologia 89: 801-803.

199. Herderich, M., Beckert, C. & Veit, M. 1997. Establishing styrylpyrone synthase activity in cell free extracts obtained from gametophytes of Equisetum arvense L. by high performance liquid chromatography-tandem mass spectrometry. Phytochemical Analysis 8: 194-197. biochemistry

200. Herrero, A., Prada, C., Pajaron, S. & Pangua, E. 1997. Chromosome numbers of western plants: 723-726. Anales del Jardin Botanico de Madrid 55: 135. Asplenium Spain

201. Herrero, A., Prada, C., Pajaron, S. & Pangua, E. 1997. Chromosome numbers of Western plants: 742-745. Anales del Jardin Botanico de Madrid 55: 429-430. Asplenium Spain

202. Herrero Nieto, A. & Prada Moral, C. 1997. New records for three Asplenium hybrids Aspleniaceae, Pteridophyta in the Iberian Peninsula. Acta Botanica Malacitana 22: 19-27. Spain

203. Hewitt, D. G. & Kirkpatrick, R. L. 1997. Ruffed grouse consumption and detoxification of evergreen leaves. Journal of Wildlife Management 61: 129-139. Polystichum acrostichoides herbivory

204. Hickey, R. J. 1997. The genus Isoetes in the New World: An overview. American Journal of Botany 84 Suppl. 6: 162. Abstract

205. Hickok, L. G. & Warne, T. R. 1997. Laboratory investigations with C-Fern (Ceratopteris). Tested Studies for Laboratory Teaching, Assoc. Biol. Lab. Education (AISLE) 19, Ch. 10: 143-176.

206. Hill, J. D. 1996. Population dynamics of hayscented fern (Dennstaedtia punctilobula) and it impact on forest composition, structure and dynamics. University of Connecticut, pp. Dissertation

207. Hill, M. P. 1997. Insect herbivores associated with Azolla spp. in southern Africa. Pp. 133-134. In Insects in African economy and environment: proceedings of the joint congress of the Entomological Society of Southern Africa and the African Association of Insect Scientists. Entomological Society of Southern Africa, Pretoria, South Africa. Abstract ecology

208. Hill, S. A. 1997. Positional influences on sexual distribution in selected species of Selaginella, subgenus Stachygynandrum. American Journal of Botany 84 Suppl. 6: 165. Abstract paleobotany

209. Hill, S. A., Scheckler, S. E. & Basinger, J. F. 1997. Ellesmeris sphenopteroides, gen. et sp. nov., a new zygopterid fern from the Upper Devonian Frasnian of Ellesmere, N.W.T., Arctic Canada. American Journal of Botany 84: 85-103. physiology

210. Hill, S. R. 1997. The flora of Latimer Point and vicinity, New London County, Connecticut. Rhodora 98: 180-216. floristics

211. Hiraoka, T. 1997. Cytochemical characterization of the synaptic poles in Equisetum spore mother cells in the synaptic stage of meiosis. Cytologia Tokyo 62: 195-202. development

212. Hirohara, M., Yasuoka, Y., Arai, Y., Shiojima, K., Ageta, H. & Chang, H.-C. 1997. Triterpenoids from the fern Goniophlebium mengtzeense. Phytochemistry Oxford 45: 1023-1029. biochemistry

213. Holland, M. M., Burk, C. J. & McLain, D. 1997. Forest and marsh interactions in a vegetated oxbow. Bulletin of the Ecological Society of America 78: 111. Abstract, Onoclea sensibilis, Osmunda regalis ecology

214. Hooper, E. A. & Haufler, C. H. 1997. Genetic diversity and breeding system in a group of neotropical epiphytic ferns Pleopeltis (Polypodiaceae). American Journal of Botany 84: 1664-1674.

215. Horn, K. 1997. Verbreitung, Okologie und Gefahrdung der Flachbarlappe (Diphasiastrum spp., Lycopodiaceae, Pteridophyta) in Niedersachsen und Bremen. Naturschutz Landschaftspfl. Niedersachs 38: 1-83. Germany

216. Horn, K. & Elsner, O. 1997. Neufunde von gametophyten des hautfarns Trichomanes speciosum Willd. (Hymenophyllaceae) in Unter-und Oberfranken. Ber. Naturf. Ges. Bamberg 71: 53-68.

217. Horn, K. & Wolf, C. 1997. Zum Vorkommen des Alpen-Flachbarlapps (Diphasiastrum alpinum (L.) Holub) im Landkreis Neumarkt i. d. Opf. Ber. Bayer. Bot. Ges. 68: 123-127.

218. Horntvedt, R. 1997. Accumulation of airborne fluorides in forest trees and vegetation. European Journal of Forest Pathology 27: 73-82. Dryopteris filix-mas physiology

219. Horrocks, J. 1997. Osmunda regalis. Hardy Fern Foundation Newsletter 7: 8. horticulture

220. Horrocks, J. 1997. Phyllitis scolopendrium. Hardy Fern Foundation Newsletter 7: 18. horticulture

221. Horrocks, J. 1997. Polystichum acrostichoides. Hardy Fern Foundation Newsletter 7: 8. horticulture

222. Horrocks, J. 1997. Polystichum rigens. Hardy Fern Foundation Newsletter 7: 26. horticulture 223. Hotchkiss, S. C. 1997. Late Quaternary vegetation and climate history from Hawaiian pollen records. Bulletin of the Ecological Society of America 78: 111. Abstract, Cibotium paleobotany

224. Hovenkamp, P. H. 1997. Paraselliguea, a new genus of Malesian Polypodiaceae. Blumea 42: 485-487.

225. Hruska, A. J. 1997. Field horsetail. Blue Jay 55: 255-256. Equisetum arvense

226. Huck, S. 1997. Prothallia of the filmy fern Trichomanes speciosum Willd. (Hymenophyllaceae) in Hesse. Hessische Floristische Briefe 46: 28-30.

227. Huelsenbeck, J. P. 1997. Maximum likelihood estimation of phylogeny using stratigraphic data and the implications for combining diverse sources of data. American Journal of Botany 84 Suppl. 6: 158. Abstract

228. Humphrey, J. W. & Swaine, M. D. 1997. Factors affecting the natural regeneration of Quercus in Scottish oakwoods. I. Competition from Pteridium aquilinum. Journal of Applied Ecology 34: 577-584. ecology

229. Ide, J. M. 1997. Adaptive resistance to low temperature injury in plants. Pteridologist 3: 62-66. horticulture

230. Ide, J. M. 1997. Low temperature sensitivity in plants. Pteridologist 3: 59-62. horticulture

231. Iino, M., Shitanishi, K. & Wada, M. 1997. Phytochrome-mediated phototropism in Adiantum protonemata: II. Participation of phytochrome dark reversion. Photochemistry and Photobiology 65: 1032-1038. physiology, gametophyte

232. Iinuma, M., Kakuto, Y., Tanida, N., Tanaka, T. & Lang, F. A. 1997. Unusual biflavonoids in the farinose exudate of Pentagramma triangularis. Phytochemistry Oxford 44: 705-710. biochemistry

233. Imaichi, R. & Kato, M. 1997. Speciation and morphological evoution in rheophytes. Pp. 309-318 . In K. Iwatsuiki & P. H. Raven (Ed.). Evolution and diversification of land plants. Springer-Verlag, Tokyo.

234. Imperato, F. 1997. Rhamnetin 3-O-laminaribioside from Pteridium aquilinum. Phytochemistry Oxford 45: 1729-1730. biochemistry

235. Imperato, F. & Minutiello, P. 1997. Kaempferol-3-O- 6"-caffeoylglucoside from Pteridium aquilinum. Phytochemistry Oxford 45: 199-200. biochemistry

236. Ito, H., Muranaka, T., Mori, K., Jin, Z. X. & Yoshida, T. 1997. Dryofragin and aspidin PB, piscicidal components from Dryopteris fragrans. Chemical & Pharmaceutical Bulletin Tokyo 45: 1720-1722. biochemistry

237. Iwatsuki, K. 1997. Speciation in man-made environments. Journal of Japanese Botany 72: 44-50.

238. Jakubowska-Gabara, J. & Pisarek, W. 1997. Updated information on the vascular flora of Central Poland. Fragmenta Floristica et Geobotanica Series Polonica 4: 9-15. Osmunda regalis

239. Jana, B. N., Banerji, J. & Kar, R. K. 1997. First occurrence of Isoetites serratifolius Bose and Roy from the Deccan intertrappean beds of Kutch, Gujarat. Current Science Bangalore 73: 403-405. paleobotany

240. Jessen, S. 1997. Dryopteris expansa: A new fern species for Brandenburg. Verhandlungen des Botanischen Vereins von Berlin und Brandenburg 130: 203-207. Isoetes kirkii

241. Johns, R. J. 1996. Index Filicum. Supplementum sextum pro annis 1976-1990 (with the collaboration of P. J. Edwards and R. E. G. Pichi Sermolli). Royal Botanic Gardens, Kew. pp.

242. Johns, R. J. 1997. Holttum Memorial Volume. Royal Botanic Gardens, Kew. VIII + 272 pp.

243. Johns, R. J. 1997. Index Filicum. Supplementum septimum pro annis 1991-1995 (with the collaboration of P. J. Edwards, R. Davies & K. Challis). Royal Botanic Gardens, Kew. pp.

244. Johnson-Groh, C. & Farrar, D. 1997. Moonwort madness. Fiddlehead forum 24: 29, 35. Botrychium

245. Johnson-Maynard, J. L., McDaniel, P. A., Ferguson, D. E. & Falen, A. L. 1997. Chemical and mineralogical conversion of andisols following invasion by bracken fern. Soil Science Society of America Journal 61: 549-555. Pteridium aquilinum ecology

246. Juarez, C. M. & Banks, J. A. 1997. Studies of sex determination and meristem development in the fern Ceratopteris richardii. Plant Physiology Rockville 114: 60. Abstract

247. Jury, S. L. & Rumsey, F. J. 1997. Thelypteris palustris Schott in Morocco. Lagascalia 18: 231-232.

248. Kallman, S. 1997. Fauna and flora in the diet of northern folk groups. Fauna och Flora Stockholm 92: 15-16. Equisetum arvense

249. Kandasamy, O. S. 1997. Influence of repeated application of herbicides on weed succession and yield of rice based cropping system in India. Journal of Agronomy and Crop Science 179: 187-190. Marsilea quadrifolia agriculture

250. Kannaiyan, S., Aruna, S. J., Kumari, S. M. P. & Hall, D. O. 1997. Immobilized cyanobacteria A. azollae a symbiont of Azolla as a biofertilizer for rice crops. J. Appl. Phycol. 7: 1-9.

251. Kato, M. 1997. Taxonomic studies of pteridophytes of Ambon and Seram (Moluccas) collected on Indonesian-Japanese expeditions: XI. Thelypteridaceae (1). Acta Phytotaxonomica et Geobotanica 48: 43-59.

252. Kato, M. & Imaichi, R. 1997. Morphological diversity and evolution of vegetative organs in pteridophytes. Pp. 27-43 . In K. Iwatsuki & P. H. Raven (Ed.). Evolution and diversification of land plants. Springer-Verlag, Tokyo.

253. Kawakami, S. M., Ito, M., Kawakami, S. & Kondo, K. 1997. Induction of apogamy in twelve fern species and the study of their somatic chromosomes. Chromosome Science 1: 89-95.

254. Kazmierczak, A. 1997. Changes in prothalli of Anemia phyllitidis during GA-induced formation of antheridia. Acta Biologica Cracoviensia Series Zoologia 39: 56. Abstract physiology

255. Kazmierczak, A. & Maszewski, J. 1997. Inhibition of GA-3-induced antheridiogenesis in Anemia phyllitidis by peptidic extracts from male sex organs of Chara. Acta Physiologiae Plantarum 19: 269-276. physiology

256. Kekber, K. P. & van Konijnenburg-van Cittert, J. H. A. 1997. A new Rhaetian flora from the neighborhood of Coburg (Germany) preliminary results. Mededelingen Med. Just. Toegeparte feowetenschappe 58: 105-114.

257. Kenrick, P. 1997. Early vascular plants and the origin of ferns. American Journal of Botany 84 Suppl. 6: 158-159. Abstract paleobotany 258. Kenrick, P. & Crane, P. R. 1997. Smithsonian Series in Comparative Evolutionary Biology: The origin and early diversification of land plants: A cladistic study. XIII+441.

259. Khare, P. B. 1997. Conservation of fern and fern allies in National Botanical Research Institute, Lucknow. Pp. 42. In National Symposium on Biodiversity conservation and evolution of plants, Dept. of Botany, University of Allahabad, India. Abstract

260. Khedr, A. H. A. & El-Demerdash, M. A. 1997. Distribution of aquatic plants in relation to environmental factors in the Nile Delta. Aquatic Botany 56: 75-86. Azolla filiculoides ecology

261. Khoreva, M. G. & Berkutenko, A. N. 1997. Polystichum lonchitis (Dryopteridaceae) in the Magadan region. Botanicheskii Zhurnal St. Petersburg 82: 109-112.

262. Khrapko, O. V. 1997. The rhythms of seasonal development of the far eastern ferns. V.L. Komarov Memorial Lectures, Vladivostok: Dalnauka 43: 245-260.

263. Khullar, S. P. 1997. An illustrated fern flora of the west Himalaya Volume 2. International Book Distributors, Dehradun, India. pp.

264. Kim, J. J.-H., Krawczyk, K., Lorentz, W. P. & Zimmerman, W. J. 1997. Fingerprinting cyanobionts and hosts of the Azolla symbioses by DNA amplification. World Journal of Microbiology & Biotechnology 13: 97-101.

265. Kim, S.-M. & Kim, J.-S. 1997. Induction of anticarcinogenic enzyme by some Korean vegetable extracts. FASEB Journal 11: A369. Abstract, Osmunda japonica

266. Kim, Y. J., Kido, M., Bando, M. & Kitahara, T. 1997. Novel and versatile synthesis of pyrrolidine type azasugars, DAB-1 and LAB-1, potent glucosidase inhibitors. Tetrahedron 53: 7501-7508. Arachniodes standishii biochemistry

267. Knaus, M. J. 1997. A new combination of Genselia and new insights into possible developmental pathways of early Carboniferous photosynthetic units. American Journal of Botany 84 Suppl. 6: 135. Abstract paleobotany

268. Komarnyts'kyi, S. I. 1997. Comparative analysis of nucleotide sequences of 5.8S nuclear ribosomal DNA of 30 plant species. Biopolimery i Kletka 13: 150-156.

269. Korpelainen, H. 1997. Comparison of gametophyte growth, sex determination and reproduction in three fern species from the tropics. Nordic Journal of Botany 17: 133-143. Pteridium aquilinum, Athyrium boryanum, Thelypteris subpubescens

270. Korpelainen, H. 1997. Labile sex expression: Adaptation and not only aberration. American Journal of Botany 84 Suppl. 6: 45. Abstract

271. Kotake, N. 1997. Ethological interpretation of the trace fossil Zoophycos in the Hikoroichi Formation Lower Carboniferous, southern Kitakami Mountains, Northeast Japan. Paleontological Research 1: 15-28. paleobotany

272. Kotyk, M. E. 1997. Late Silurian and Early Devonian land plants from Bathurst Island, Canadian Arctic Archipelago. American Journal of Botany 84 Suppl. 6: 135-136. Abstract paleobotany

273. Krause, S. & Vanberg, C. 1997. Flora and vegetation of the Kottenforst near Bonn (Germany). Part I: Landscape and Flora. Decheniana (Bonn) 150: 169-189. Equisetum hyemale, Equisetum telmateia, Dryopteris affinis, Thelypteris limbosperma

274. Krings, M. & Kerp, H. 1997. Cuticles of Lescuropteris genuina from the Stephanian Upper Carboniferous of Central France: Evidence for a climbing growth habit. Botanical Journal of the Linnean Society 123: 73-89. paleobotany

275. Kuenzler, K., Eichenberger, W. & Radunz, A. 1997. Intracellular localization of two betaine lipids by cell fractionation and immunomicroscopy. Zeitschrift fuer Naturforschung Section C Journal of Biosciences 52: 487-495. Lycopodium annotinum

276. Kumaran, K. P. N., Bonde, S. D. & Kanitkar, M. D. 1997. An Aquilapollenites-associated palynoflora form Mohgaonkalan and its implication for age and stratigraphic correlation of Deccan intertrappean beds. Current Science Bangalore 72: 590-592. Azolla cretecea paleobotany

277. Kung, H.-s. 1997. A new species of Polystichum (Dryopteridaceae) from Taiwan, China. Acta Phytotaxonomica Sinica 35: 461-462.

278. Kung, H. S. 1997. Taxonomical study on Sect. Xiphopolystichum Daigobo (Polystichum) from China. Chinese Journal of Applied and Environmental Biology 3: 132-137.

279. Kung, H. S. & Wang, P. 1997. New materials for the Cyrtomium Presl. of China. Chinese Journal of Applied and Environmental Biology 3: 23-25.

280. Kunzler, K. & Eichenberger, W. 1997. Betaine lipids and zwitterionic phospholipids in plants and fungi. Phytochemistry Oxford 46: 883-892.

281. Kwa, S.-H., Wee, Y.-C. & Kumar, P. P. 1997. Ribulose-1,5-bisphosphate carboxylase and phosphoenolpyruvate carboxylase activities of photoautotrophic callus of Platycerium coronarium (Koenig ex O.F. Muell.) Desv. under CO-2 enrichment. Plant Cell Tissue and Organ Culture 50: 75-82. biochemistry

282. Kwa, S.-H., Wee, Y.-C., Lim, T.-M. & Kumar, P. P. 1997. Morphogenetic plasticity of callus reinitiated from cell suspension cultures of the fern Platycerium coronarium. Plant Cell Tissue and Organ Culture 48: 37-44. biochemistry

283. Labandeira, C. C., Phillips, T. L. & Norton, R. A. 1997. Oribatid mites and the decomposition of plant tissues in Paleozoic coal-swamp forests. Palaios 12: 319-353. paleobotany

284. Lal, C., Negi, B. S., Kukreti, M., Singh, E. M. & Ghildiyal, J. C. 1997. The aquatic vegetation of Uttarkashi-Garhwal Himalayan Region, U.P. Journal of Economic and Taxonomic Botany 21: 79-82. Selaginella

285. Le Duc, M. G., Pakeman, R. J., Bartsch, R. J. & Marrs, R. H. 1997. Factors affecting vegetation succession following bracken control. Species dispersal and land use processes: Proceedings of the 6th International Association for Landscape Ecology Conference Coleraine: 265-272. Pteridium aquilinum

286. Lebkuecher, J. G. 1997. Desiccation-time limits of photosynthetic recovery in Equisetum hyemale (Equisetaceae) spores. American Journal of Botany 84: 792-797. physiology

287. Lee, K. T., Kim, B. J., Kim, J. H., Heo, M. Y. & Kim, H. P. 1997. Biological screening of 100 plant extracts for cosmetic use I: Inhibitory activities of tyrosinase and DOPA auto-oxidation. International Journal of Cosmetic Science 19: 291-298. Dryopteris crassirhizoma

288. Leitao F., H. F., Rodrigues, R. R., Tamshiro, J. Y., Santin, D. A., Ivanauskas, N. M. & Salino, A. 1997. Estrutura de um curos de taxonomia de campo: o modelo aplicado em Ubatuba Sao Paulo. Acta Botanica Brasilica 11: 31-39.

289. Lellinger, D. B. 1997. Pteris deflexa and its allies. American Fern Journal 87: 66-70.

290. Lellinger, D. B. & Taylor, W. C. 1997. A classification of spore ornamentation in the Pteridophyta. American Journal of Botany 84 Suppl. 6: Abstract

291. Lemon, G. D. & Posluszny, U. 1997. A new approach to the study of apical meristem development using laser scanning confocal microscopy. American Journal of Botany 84 Suppl. 6: 47. Abstract development

292. Lemon, G. D. & Posluszny, U. 1997. Shoot morphology and organogenesis of the aquatic floating fern Salvinia molesta D.S. Mitchell, examined with the aid of laser scanning confocal microscopy. International Journal of Plant Sciences 158: 693-703. development

293. Leon, B. 1997. The invasive ferns and ferns allies of Peru. Pp. 150. In Annual Meeting Abstracts, Association of American Geographers.

294. Lersten, N. R. 1997. Occurrence of endodermis with a casparian strip in stem and leaf. Botanical Review 63: 265-272. Salvinia molesta

295. Lesnikowska, A. D. & Willard, D. A. 1997. Two new species of Scolecopteris (Marattiales) sources of Torispora securis Balme and Thymospora thiessenii (Kosanke) Wilson et Venkatachala. Review of Palaeobotany and Palynology 95: 211-225. paleobotany

296. Li, C.-S. & Edwards, D. 1997. A new microphyllous plant from the Lower Devonian of Yunnan Province, China. American Journal of Botany 84: 1441-1448. paleobotany

297. Li, K. 1997. Early Permian sporopollen assemblages from the Shanxi Formation, the Hongtaoshan area, Shanxi. Acta Micropalaeontologica Sinica 14: 225-231. paleobotany

298. Li, X.-P. & Ong, B.-L. 1997. Photosynthetic response in salt-stressed gametophytes of Acrostichum aureum L. Plant Physiology Rockville 114: 121. Abstract physiology

299. Li, X.-P. & Ong, B.-L. 1997. Tolerance of gametophytes of Acrostichum aureum L. to salinity and water stress. Photosynthetica Prague 34: 21-30. physiology

300. Li, X.-P. & Ong, B.-L. 1997. Ultrastructural changes in gametophytes of Acrostichum aureum L. cultured in different sodium chloride concentrations. Biologia Plantarum (Prague) 39: 607-614. physiology

301. Lim, S. H., Looi, L. K. C., Ong, B. L. & Wee, Y. C. 1997. A method of DNA isolation from epiphytic CAM ferns for use in random amplified polymorphic DNA analysis. Biologia Plantarum Prague 39: 637-639. Pyrrosia physiology

302. Lind, F. 1997. The flora of Ostergotland, second edition-additions and corrections 2. Svensk Botanisk Tidskrift 91: 225-237. Dryopteris dilatata X expansa

303. Liu, J.-x. 1997. Studies on the spore morphology of Adiantum L. in Beijing. Bulletin of Botanical Research 17: 377-379.

304. Lopatin, V. D. 1997. On the results of the introduction of Zizania latifolia (Poaceae) in southern Karelia. Botanicheskii Zhurnal St. Petersburg 82: 94-96. Equisetum fluviatile

305. Lozhkin, A. V., Anderson, P. M., Belaya, B. V. & Yu, G. O. 1997. Vegetation changes in the mountainous region of the upper Kolyma during the last 1500 years. Doklady Akademii Nauk 355: 256-258. Selaginella rupestris, Lycopodium

306. Lozhkin, A. V., Anderson, P. M., Eisner, W. R., Hopkins, D. M. & Brubaker, L. B. 1997. New palynological data concerning the development of Late Pleistocene and Holocene vegetation in Western Alaska. Doklady Akademii Nauk 356: 115-117. Selaginella rupestris paleobotany

307. Lu, S.-G. 1997. A new species of Arthromeris (Polypodiaceae) from Xizang (Tibet). Indian Fern Journal 14: 144-145.

308. Lusk, M. R. 1997. Description of a Bridled White-eye nest from Rota, Mariana Islands. Micronesica 30: 183-185. Asplenium nidus ecology

309. Lyons, P. C., Zodrow, E. L., Millay, M. A., Dolby, G., Gillis, K. S. & Cross, A. T. 1997. Coal-ball floras of Maritime Canada and palynology of the Foord seam: Geologic, paleobotanical and paleoecological implications. Review of Palaeobotany and Palynology 95: 31-50. paleobotany

310. Maas, P. J. M. & Westra, L. Y. T. 1997. Neotropical plant families: A concise guide to families of vascular plants in the neotropics. VII+289.

311. Mackeen, M. M., Ali, A. M., El-Sharkawy, S. H., Manap, M. Y., Salleh, K. M., Lajis, N. H. & Kawazu, K. 1997. Antimicrobial and cytotoxic properties of some Malaysian traditional vegetables ulam. International Journal of Pharmacognosy 35: 174-178. Diplazium esculentum pharmacology

312. Maden, A. R. & Renzaglia, K. S. 1997. Sperm cell morphology in the lycophytes: Clues to evolutionary modifications in motile cells of land plants. American Journal of Botany 84 Suppl. 6: 31. Abstract

313. Maden, A. R., Whittier, D. P., Garbary, D. J. & Renzaglia, K. S. 1997. Ultrastructure of the spermatozoid of Lycopodiella lateralis (Lycopodiaceae). Canadian Journal of Botany 75: 1728-1738. anatomy

314. Madhusoodanan, P. V. & Hameed, C. A. 1997. Crepidomanes agastyanum, a new filmy fern species (Hymenophyllaceae-Pteridophyta) from India. Nordic J. Bot. 18: 169-170.

315. Madhusoodanan, P. V. & Hameed, C. A. 1997. Crepidomanes christii (Copel.) Copel. (Hymenophyllaceae) a new filmy fern from India. Indian Journal of Forestry 20: 190-192.

316. Madhusoodanan, P. V., Hameed, C. A. & Rajagopal, P. K. 1997. Microgonium henzaianum (Parish ex Hook) Copel. (Hymophyllaceae) a new record for India. Indian Fern Journal 13: 75-77.

317. Madhusoodanan, P. V., Rajasree, T. & Leena, K. R. 1997. Club mosses (Lycopodium, s.l.) of Western Ghats of India. Indian Fern Journal 13: 74.

318. Maeda, H., Miyamoto, K. & Sano, T. 1997. Occurrence of dermatitis in rats fed a cholesterol diet containing field horsetail Equisetum arvense L. Journal of Nutritional Science and Vitaminology 43: 553-563. pharmacology

319. Maggini, F., Marrocco, R. & Gelati, M. T. 1997. Nucleotide sequence analysis for the evaluation of phylogenetic relations. Informatore Botanico Italiano 27: 291-293. Pteridium aquilinum

320. Malek, O., Brennicke, A. & Knoop, V. 1997. Evolution of trans-splicing plant mitochondrial introns in pre-Permian times. Proceedings of the National Academy of Sciences of the United States of America 94: 553-558. Asplenium nidus, Marsilea drummondii paleobotany

321. Malkamaki, E. & Haeggstrom, C.-A. 1997. Short term impact of Finnish landrace cattle on the vegetation and soil of a wood pasture in SW Finland. Acta Botanica Fennica 159: 1-25. Dryopteris carthusiana agriculture

322. Mandal, B., Bhattacharya, K., Mete, P. K. & Mandal, L. N. 1997. Effects of Sesbania rostrata and Azolla microphylla incorporation on transformation of applied zinc and copper in lateritic rice soils with different flooding regimes. Biology and Fertility of Soils 24: 394-398. agriculture

323. Manickam, V. S., Irudayaraj, V. & Rajkumar, S. D. 1997. Colysis X beddomei (Polypodiaceae), Pteridophyta : A new interspecific fern hybrid from India, Burma and China. Taxon 46: 265-268.

324. Mapes, R. H., Mapes, G., Scott, A. C. & Maybery, E. 1997. An unusual early Permian plant and marine invertebrate assemblage in central Texas. American Journal of Botany 84 Suppl. 6: 137. Abstract paleobotany

325. Marincek, L. 1997. Contribution to the knowledge of novel hardwoods forests in Slovenia. Bioloski Vestnik 40: 87-99. Botrychium virginianum

326. Marquez, A. L., Real, R., Vargas, J. M. & Salvo, A. E. 1997. On identifying common distribution patterns and their causal factors: A probabilistic method applied to pteridophytes in the Iberian Peninsula. Journal of Biogeography 24: 613-631. Spain, biogeography

327. Marrs, R. H., Pakeman, R. J., Le Duc, M. G. & Paterson, S. 1997. Bracken invasion in Scotland. Botanical Journal of Scotland 49: 347-356. Pteridium aquilinum agriculture, Pteridium aquilinum

328. Marsh, A. S. 1996. The functional role of Equisetum in nutrient cycling and maintaining the primary productivity of an Alaskan shrub wetland. Yale University, pp. Dissertation

329. Masuda, K., Yamashita, H., Shiojima, K., Itoh, T. & Ageta, H. 1997. Fern constituents: triterpenoids isolated from rhizomes of Pyrrosia lingua. I. Chemical & Pharmaceutical Bulletin Tokyo 45: 590-594. biochemistry

330. Matsumoto, M., Ohsawa, T. A., Nishida, M. & Nishida, H. 1997. Glyptostrobus rubenosawaensis sp. nov., a new permineralized conifer species from the Middle Miocene, central Hokkaido, Japan. Paleontological Research 1: 81-99. paleobotany

331. Matsunaga, K., Sasaki, S. & Ohizumi, Y. 1997. Excitatory and inhibitory effects of Paraguayan medicinal plants Equisetum giganteum, Acanthospermum australe, Allophylus edulis and Cordia salicifolia on contraction of rabbit aorta and guinea-pig left atrium. Natural Medicines 51: 478-481. pharmacology

332. McGrath, J. M. & Pichersky, E. 1997. Methylation of somatic and sperm DNA in the homosporous fern Ceratopteris richardii. Plant Molecular Biology 35: 1023-1027.

333. McHaffie, H. 1997. Larva of Autographa gamma Linnaeus (Lepidoptera: Noctuidae) feeding in the wild on Athyrium distentifolium. Entomologist"s Gazette 48: 84. ecology, herbivory

334. McHenry, D. J. & Heafner, K. D. 1997. Electrophoretic studies of some southeastern quillworts (Isoetes, spp.). The ASB Bulletin 44: 119. Abstract

335. McLoughlin, S., Lindstrom, S. & Drinnan, A. N. 1997. Gondwanan floristic and sedimentological trends during the Permian-Triassic transition: New evidence from the Amery Group, northern Prince Charles Mountains, East Antarctica. Antarctic Science 9: 281-298. paleobotany

336. Mehltreter, K. 1997. Farne der neotropischen Hochgebirge III - die Gattung Blechnum Linn. Palmengarten 61: 58-61.

337. Mehltreter, K. & Palacios-Rios, M. 1997. The construction and use of a database for the biogeographical analysis of the Pteridophyte flora of Mexico and Central America. Tropical Diversity, Origins, Maintenance and Conservation. Symposium and Annual metting of the ATB and OTS, San Jose, Costa Rica 15-20 June: 83. Abstract

338. Meikle, R. D. 1997. Ophioglossum azoricum C. Presl. in Co Down (H38). Irish Naturalists' Journal 25: 348. Ireland

339. Melchor, R. N. & Cesari, S. N. 1997. Permian floras from Carapacha Basin, central Argentina. Description and importance. Geobios (Lyon) 30: 607-633. paleobotany

340. Melzer, H. & Barta, T. 1997. Anthoxanthum aristatum Boissier, new for the Burgenland and other news on the flora of Burgenland, Vienna, and Lower Austria. Linzer Biologische Beitraege 29: 899-919. Dryopteris affinis ssp. cambrensis

341. Mendoza, A., Perez-Garcia, B. & Jaramillo, P. I. R. 1997. Sexual stage in the fern Lophosoria quadripinnata var. contracta (Lophosoriaceae). Revista de Biologia Tropical 45: 993-998.

342. Mendoza, A., Perez-Garcia, B., Reyes Jaramillo, I. & Ricci, M. 1996-1997. Gametophytic development in Pteris berteroana (Pteridaceae: Pterideae). Revista de Biologia Tropical 44-45: 51-57.

343. Mercuri, A. M., Accorsi, C. A., Mazzanti, M. B., Ferrarini, S. & Venturi, L. 1997. Aerobiologia 2.0: A software program for processing aeropollen data. Journal of Environmental Pathology Toxicology and Oncology 16: 191-194 .

344. Meyer, N. L., Moessmer, M. & Smith, G. F. 1997. Strelitzia, 5. Taxonomic literature of southern African plants. 5: V+164.

345. Meyer-Berthaud, B. & Rowe, N. P. 1997. A Lower Carboniferous plant assemblage from Thuringia Germany : Compressions. Review of Palaeobotany and Palynology 97: 361-379. paleobotany

346. Michel, J. T. 1997. A review of the West Indian species of Polystichum. Pp. 119-144. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

347. Mickel, J. T. 1997. Bibliography of Lenette Rogers Atkinson 1899-1996 . American Fern Journal 87: 41-42.

348. Middelboe, A. L. & Markager, S. 1997. Depth limits and minimum light requirements of freshwater macrophytes. Freshwater Biology 37: 553-568. Isoetes

349. Millay, M. A. 1997. A review of permineralized euramerican Carboniferous tree ferns. Review of Palaeobotany and Palynology 95: 191-209. paleobotany

350. Mitchell, R. J., Marrs, R. H., Le Duc, M. G. & Auld, M. H. D. 1997. A study of succession on lowland heaths in Dorset, southern England: Changes in vegetation and soil chemical properties. Journal of Applied Ecology 34: 1426-1444. Pteridium aquilinum ecology

351. Miyamoto, F. & Ohba, H. 1997. Cheilanthes wusukungii, a new species resembling C. rufa in Himalaya and Thailand. Journal of Japanese Botany 72: 168-171.

352. Moran, R. 1997. The little nitrogen factories. Fiddlehead forum 24: 9, 12-14. Azolla 353. Morbelli, M. A. & Ponce, M. M. 1997. Palynological study of Cheilanthes and Astrolepis (Pteridaceae) species from Northwestern Argentina. American Fern Journal 87: 51-65.

354. Mori, S. A., Cremers, G., Gracie, C., De Granville, J.-J., Hoff, M. & Mitchell, J. D. 1997. Vascular plants of central French Guiana: Part 1. Pteridophytes, Gymnosperms, and monocotyledons. Memoirs of the New York Botanical Garden 76: 1-422.

355. Muccifora, S. & Gori, P. 1997. Nuclear paracrystals in the fern Polystichum setiferum gametophyte. American Fern Journal 87: 12-16.

356. Muenster, T., Pahnke, J., Di Rosa, A., Kim, J. T., Martin, W., Saedler, H. & Theissen, G. 1997. Floral homeotic genes were recruited from homologous MADS-box genes preexisting in the common ancestor of ferns and seed plants. Proceedings of the National Academy of Sciences of the United States of America 94: 2415-2420. Ceratopteris

357. Murakami, N., Nishiyama, T., Satoh, H. & Suzuki, T. 1997. Marked spatial genetic structure in three populations of a weedy fern, Pteris multifida Poir., and reestimation of its selfing rate. Plant Species Biology 12: 97-106.

358. Murata, T., Kadota, A. & Wada, M. 1997. Effects of blue light on cell elongation and microtubule orientation in dark-grown gametophytes of Ceratopteris richardii. Plant and Cell Physiology 38: 201-209.

359. Murata, T. & Wada, M. 1997. Formation of a phragmosome-like structure in centrifuged protonemal cells of Adiantum capillus-veneris L. Planta Heidelberg 201: 273-280.

360. Murillo, M. T. 1997. The Pteridophytes of the Macarena Mountains. Caldasia 19: 1-11. floristics, Colombia

361. Mussard, J.-M. & Lavoie, D. 1997. Statistical indentification of different-order cyclicities in the carbonate Shiphead Formation of the Upper Gaspe Limestones Lower Devonian, Quebec, (Canada). Bulletin de la Societe d'Histoire Naturelle de Toulouse 133: 91-96. paleobotany

362. Musselman, L. J., Bray, R. D., Heafner, K. D. & Knepper, D. A. 1997. The genus Isoetes: Quillworts in the Southern United States. American Journal of Botany 84 Suppl. 6: 162. Abstract

363. Musselman, L. J., Bray, R. D. & Knepper, D. A. 1997. Isoetes X carltaylorii, Isoetes acadiensis X Isoetes engelmannii, a new interspecific quillwort hybrid from the Chesapeake Bay. Canadian Journal of Botany 75: 301-309.

364. Musselman, L. J. & Heafner, K. D. 1997. A monograph of southeastern Isoetes. The ASB Bulletin 44: 119. Abstract

365. Muthukrishnan, P., Ponnuswamy, K., Santhi, P. & Chinnamuthu, C. R. 1997. Weed management studies in transplanted lowland rice ecosystem. Crop Research Hisar 14: 7-10. Marsilea quadrifolia

366. Nakanishi, T., Inatomi, Y., Nishi, M., Murata, H. & Inada, A. 1997. Constituents of a fern, Diplazium subsinuatum. II. Structure elucidation of five new hopane-triterpene glycosides. Chemical & Pharmaceutical Bulletin Tokyo 45: 8-12. biochemistry

367. Nameth, S. T. & Steininger, J. 1997. Cucumber mosaic virus associated with leaf malformation and stunting in Adiantum pedatum. Plant Disease 81: 1333. Marsilea

368. Naumann, I. D. & Balciunas, J. K. 1997. A sawfly larva feeding on an aquatic fern (Hymenoptera: Symphyta: Pergidae). Australian Entomologist 24: 39-47. 369. Navarro Cano, J. A. & Barcia Gonzalez, C. 1997. Fragmenta Chorologica Occidentalia, 6229. Anales del Jardin Botanico de Madrid 55: 451. Pteridium aquilinum Spain

370. Nekola, J. C. 1997. Two Gymnocarpium hybrids new to the Iowa Pteridophyte flora. American Fern Journal 87: 9-11.

371. Nester-Hudson, J. E. & Creacy, L. J. 1997. Gibberellin and gibberellin-like compounds isolated from culture media and gametophytes of Anemia mexicana. American Journal of Botany 84 Suppl. 6: 165. Abstract physiology

372. Nester-Hudson, J. E., Ladas, C. & McClurd, A. 1997. Gametophyte development and antheridiogen activity in Thelypteris ovata var. lindheimeri. American Fern Journal 87: 131-142. physiology

373. Nicholson, B. 1997. Observations on the distribution and diversity of tree ferns in the Zona Reservada de Tambopata, Madre de Dios, Peru. Fern Gazette 15: 153-159. Nephelea, Trichipteris ecology

374. Nooden, L. D. & Wagner, W. H. J. 1997. Photosynthetic capacity and leaf reorientation in two wintergreen ferns, Polystichum acrostichoides and Dryopteris intermedia. American Fern Journal 87: 143-149. physiology

375. Nooteboom, H. P. 1997. The microsoroid ferns (Polypodiaceae). Blumea 42: 261-395.

376. Norcini, F. & Zoccola, A. 1997. Italian floristic reports: 813. Informatore Botanico Italiano 27: 282-283. Matteuccia struthiopteris ecology

377. Nordin, A. & Nasholm, T. 1997. Nitrogen storage forms in nine boreal understorey plant species. Oecologia Berlin 110: 487-492. Gymnocarpium dryopteris

378. Norman, D. J. & Strandberg, J. O. 1997. Survival of Collectotrichum acutatum in soil and plant debris of leatherleaf fern. Plant Disease 81: 1177-1180. Rumohra adiantiformis horticulture

379. Norton, M. 1997. Plant records from north-east Galway H17. Irish Naturalists' Journal 25: 455-456. Polypodium interjectum Ireland

380. Nozue, K., Kanegae, T. & Wada, M. 1997. A full length Ty3-gypsy: Type retrotransposon in the fern Adiantum. Journal of Plant Research 110: 495-499. biochemistry

381. Oellgaard, B. & Navarrete, H. 1997. Pteridophyte species richness in the valleys of Rio Oyacachi, Rio Quijos, and Upper Rio Aguarico. Oyacachi, people and biodiversity. DIVA Technical Report 2: 64-68.

382. Ogden, J., Braggins, J., Stretton, K. & Anderson, S. 1997. Plant species richness under Pinus radiata stands on the central North Island volcanic plateau, New Zealand. New Zealand Journal of Ecology 21: 17-29. Dicksonia, Cyathea

383. Ohta, K., Mizushina, Y., Togashi, H., Watanabe, I., Takemura, M., Sugawara, F., Matsukage, A., Yoshida, S. & Sakaguchi, K. 1997. Novel inhibitors of mammalian DNA polymerases from algae, fern and mushrooms. FASEB Journal 11: A1188. Abstract, Athyrium niponicum

384. Okamoto, H., Sakamoto, K., Tomizawa, K.-I., Nagatani, A. & Wada, M. 1997. Photoresponses of transgenic Arabidopsis overexpressing the fern Adiantum capillus-veneris PHY1. Plant Physiology Rockville 115: 79-85. physiology

385. Okamoto, H., Silverthorne, J. & Wada, M. 1997. Spatial patterns of phytochrome expression in young leaves of the fern Adiantum capillus-veneris. Plant and Cell Physiology 38: 1397-1402. physiology 386. Olivero, D., Mangold, C. & Pavia, G. 1997. The "Calcaires a Zoophycos du Verdon" formation Lower Bathonian-Middle Callovian around Castellane Alpes de Haute-Provence, France : Biochronology and gaps. Comptes Rendus de l'Academie des Sciences Serie II A Sciences de la Terre et des Planetes 324: 33-40. paleobotany

387. Ong, B.-L., Koh, C. K.-K. & Wee, Y.-C. 1997. Relationship between fern development and CAM in Pyrrosia piloselloides L. Price. Photosynthetica Prague 34: 147-149. physiology

388. Ong, B.-L., Ramli, R. & Wee, Y.-C. 1997. Reduction of CAM by abscisic acid and benzyladenine in the epiphytic fern, Pyrrosia piloselloides L. Price. Photosynthetica Prague 33: 317-319. physiology

389. Pacheco, L., Aguilar-Perez, C. & Zelaya-Molina, L. 1997. Morphology and anatomy of the pinnae of several neotropical species of the genus Diplazium (Woodsiaceae). Pp. 125. In Scripta botanica Belgica: Symposium Morphology, Anatomy and Systematics. National Botanic Garden of Belgium, Meise. Abstract

390. Page, C. N. 1997. Pteridophytes as field indicators of natural biodiversity restoration in the Scottish flora. Botanical Journal of Scotland 49: 405-414.

391. Pakeman, R. J., Le Du, M. G. & Marrs, R. H. 1997. Moorland vegetation succession after the control of bracken with asulam. Agriculture Ecosystems & Environment 62: 41-52. Pteridium aquilinum agriculture

392. Palacios-Rios & Mehltreter, K. 1997. Helechos de la Peninsula de la Peninsula de Yucatan: Base de Datos. Resumens del II Congreso Internacional de Etnobotanica, Merida, Yucatan Mexico: 171. Abstract

393. Palacios-Rios, M. 1997. Vittariaceae. Pp. 52:1-7. In J. Rzedowski & G. Calderon de Rzedowski (Ed.). Flora del Bajo y de regiones adyacentes.

394. Palacios-Rios, M. & Caluff, M. G. 1997. Plagiogyriaceae. Pp. 62: 1-7. In J. Rzedowski & G. Calderon de Rzedowski (Ed.). Flora del Bajo y de regiones adyacentes.

395. Palacios-Rios, M. & Gomez-Pompa, A. 1997. Phytogeographical analysis of the pteridophytes of Veracruz, Mexico. Pp. 217-234. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

396. Palmer, D. D. 1997. A revision of the genus Sadleria Blechnaceae. Pacific Science 51: 288-305.

397. Pande, P. C., Pande, H. C. & Singh, D. 1997. The pteridophytic flora of Kumaun Himalaya (north-western Himalaya, family-Sinopteridaceae. Journal of Economic and Taxonomic Botany 21: 89-98. floristics, India

398. Parris, B. S. 1997. Additional notes on the vascular flora of North Cape. Auckland Botanical Society Journal 52: 33-36.

399. Parris, B. S. 1997. The ecology and phytogeography of Mount Kinabalu pteridophytes. Sandakania 9: 89-102.

400. Parris, B. S. 1997. Generic delimitation in Grammitidaceae (Filicales) . Pp. 171-176. In J. Dransfield et. al. (Ed.). Plant Diversity in Malesia III.

401. Parris, B. S. 1997. New pteridophyte records for Mount Kinabalu. Sandakania 9: 87-88.

402. Parris, B. S. 1997. A provisional check-list of pteridophytes from the Crocker Range Park, Sabah. Sandakania 9: 103-111.

403. Parris, B. S. 1997. A provisional check-list of pteridophytes from the Danum Valley, Sabah. Sandakania 9: 77-85.

404. Parris, B. S. 1997. Receptacular paraphyses in Asian, Australasian and Pacific Islands taxa of Grammitidaceae (Filicales). Pp. 81-90. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

405. Parris, B. S. 1997. Themelium, a new genus of Grammitidaceae (Filicales). Kew Bulletin 52: 737-741.

406. Parris, B. S. 1997. Two new species of Grammitis from the Marquesas Islands. Allertonia 7: 296-303.

407. Parris, B. S. & Latiff, A. 1997. Towards a pteridophyte flora of Malaysia: A provisional checklist of taxa. Malayan Nature Journal 50: 235-280.

408. Parrish, J. T. 1997. Near-polar environments during the Cretaceous period: Inferences about climate from extinct terrestrial ecosystems. Bulletin of the Ecological Society of America 78: 27. Abstract paleobotany

409. Parton, R. M., Fischer, S., Malho, R., Papasouliotis, O., Jelitto, T. C., Leonard, T. & Read, N. D. 1997. Pronounced cytoplasmic pH gradients are not required for tip growth in plant and fungal cells. Journal of Cell Science 110: 1187-1198. Dryopteris affinis

410. Paterson, S., Marrs, R. H. & Pakeman, R. J. 1997. Efficacy of bracken Pteridium aquilinum (L.) Kuhn control treatments across a range of climatic zones in Great Britain. A national overview and regional examination of treatment effects. Annals of Applied Biology 130: 283-303. agriculture

411. Paterson, S., Pakeman, R. J. & Marrs, R. H. 1997. Evaluation of a bracken Pteridium aquilinum (L.) Kuhn growth model in predicting the effects of control strategies across a range of climatic zones in Great Britain. Annals of Applied Biology 130: 305-318. agriculture

412. Peck, J. H., Nekola, J. C. & Thomas, W. 1997. Additions to the pteridophyte flora of Iowa: IV. Journal of the Iowa Academy of Science 104: 77-81.

413. Peng, M. & Chen, S.-H. 1997. Aeropalynological study in Taipei County Tan-Shui , 1993. Taiwania 42: 117-134. ecology

414. Peppers, R. A. 1997. Palynology of the Lost Branch Formation of Kansas: New insights on the major floral transition at the Middle-Upper Pennsylvanian boundary. Review of Palaeobotany and Palynology 98: 223-246. paleobotany

415. Perez Latorre, A. V., Navas, D., Navas, P., Gil, Y., Conde Alvarez, R., Hiraldo, J. A., Salvo, E. & Nieto Caldera, J. M. 1997. New data on Marsilea batardae Launert and Isoetes durieui Bory in Andalusia. Acta Botanica Malacitana 22: 235-236. Spain

416. Perez-Garcia, B., Mendoza, A., Riba, R. & Ricci, M. 1996-1997. Gametogenic morphogenesis of the fern Thyrsopteris elegans (Filicales: Thyrsopteridaceae). Revista de Biologia Tropical 44-45: 59-65. development

417. Peroni, A. & Peroni, G. 1997. Note su una stazione di Ceterach officinarum Willd. (Aspleniaceae, Pteridophyta) ad alta quota. Pagine Botaniche, Milano 22: 69-76.

418. Phillips, T. L. & Dimichele, W. A. 1997. Paleoecology of ferns, with emphasis on the Paleozoic and Mesozoic. American Journal of Botany 84 Suppl. 6: 159. Abstract paleobotany

419. Phipps, C. J., Axsmith, B. J., Taylor, T. N. & Taylor, E. L. 1997. Permineralized fern sporangia from the Triassic of Antarctica. American Journal of Botany 84 Suppl. 6: 140. Abstract paleobotany

420. Pichi Sermolli, R. E. G. 1996. Authors of scientific names in Pteridophyta (with the collaboration of Maria Paola Bizzarri, Hsia-Shing Kung and Xian-Ching Zhang). Royal Botanic Gardens, Kew. pp. 31 July 1996

421. Pigg, K. B. 1997. The fossil record of Isoetes-like plants. American Journal of Botany 84 Suppl. 6: 162. Abstract paleobotany

422. Platt, K. A., Oliver, M. J. & Thomson, W. W. 1997. Importance of the fixative for reliable ultrastructural preservation of poikilohydric plant tissues. Observations on dry, partially, and fully hydrated tissues of Selaginella lepidophylla. Annals of Botany London 80: 599-610.

423. Plazinski, J., Elliott, J., Hurley, U. A., Burch, J., Arioli, T. & Williamson, R. E. 1997. Myosins from angiosperms, ferns, and algae amplification of gene fragments with versatile PCR primers and detection of protein products with a monoclonal antibody to a conserved head epitope. Protoplasma 196: 78-86. Azolla biochemistry

424. Pleijel, H., Hultengren, S. & Bohlin, A. 1997. Rural, southern and oceanic plants in the cliffs of Halleberg and Hunneberg, SW Sweden. Svensk Botanisk Tidskrift 91: 561-572. Botrychium

425. Pohorila, E., et al. 1997. The lektins and mineral elements content of some fern species that seldom strike by phytopathogens. Proceedings of the international regional seminar Environmental Protection: modern studies in ecology and microbiology, May 13-16, Ukraine, Ushgorod 1: 360-361.

426. Pole, M. 1997. Paleocene plant macrofossils from Kakahu, South Canterbury, New Zealand. Journal of the Royal Society of New Zealand 27: 371-400. Lygodium paleobotany

427. Porembski, S., Fischer, E. & Biedinger, N. 1997. Vegetation of inselbergs, quarzitic outcrops and ferricretes in Rwanda and eastern Zaire Kivu . Bulletin du Jardin Botanique National de Belgique 66: 81-99. Selaginella niamniamensis

428. Prado, J. 1997. Estudo da diversidade de especies de pteriodfitas no Estado de Sao Paulo. http://www.bdt.org.br/bdt/biotasp/pterid.htm.

429. Prado, J. 1997. Flora de Serra do Cipo, Minas Gerais: Pteridaceae-Adiantoideae e Taenitidoideae. Boletim de Botanica, Universidade de Sao Paulo 16: 115-118.

430. Prochazka, F. 1997. Diphasiastrum oellgaardii. A new species in the flora of the Czech Republic. Preslia Prague 69: 169-173.

431. Pryer, K. M. & Smith, A. R. 1997. Character evolution and fern phylogeny. American Journal of Botany 84 Suppl. 6: 159.

432. Pryor, J. S. & Gastaldo, R. A. 1997. Comparison of the Black Creek coal-parting swamp community with the Bear Creek clastic swamp community Alabama Westphalian A . Bulletin of the Ecological Society of America 78: 165. Abstract paleobotany

433. Quattrocchio, M., Volkheimer, W. & Del Papa, C. 1997. Palynology and paleoenvironmental of the "Faja Gris" Mealla Formation Salta Group at Garabatal Creek NW Argentina . Palynology 21: 231-247. paleobotany 434. Raghaven, V. 1997. Off to an early start; what triggers the germination of fern spore- Hardy Fern Foundation Newsletter 7: 16-17. horticulture

435. Raine, C. A. & Sheffield, E. 1997. Establishment and maintenance of aseptic culture of Trichomanes speciosum gametophytes from gemmae. American Fern Journal 87: 87-92.

436. Rajesh, K. P., Sasidharan, N. & Madhusoodanan, P. V. 1997. On the occurrence of Anthropteris palisotii (Desv.) Aslton (Oleandraceae)-a little known climbing fern in India. J. Econ. Tax. Bot. 21: 723-726.

437. Rangnekar, A. 1997. The absorption of ant excretory products by ferns Polypodium polypodioides. AAAS Annual Meeting and Science Innovation Exposition 163: A111. Abstract

438. Ranker, T. A., Haufler, C. H., Smith, A. R. & Li, J. 1997. Merging morphology and molecules to modify models of paraphyly and polyphyly in the "Polygrammaceae.". American Journal of Botany 84 Suppl. 6: 165-166. Abstract

439. Rayward, J., Villarrubia, V. G., Guillen, C., Prieto, A., Rodriguez-Zapata, M., Sada, G. & Alvarez-Mon, M. 1997. An extract of the fern Polypodium leucotomos inhibits human peripheral blood mononuclear cells proliferation in vitro. International Journal of Immunopharmacology 19: 9-14. pharmacology

440. Reixach, N., Irurre-Santilari, J., Camps, F., Mele, E., Messeguer, J. & Casas, J. 1997. Phytoecdysteroid overproduction in Polypodium vulgare prothalli. Phytochemistry Oxford 46: 1183-1187.

441. Remy, W., Remy, D. & Haas, H. 1997. Organisation, growth form and life strategies of early land plants from the lower Devonian. Botanische Jahrbuecher fuer Systematik Pflanzengeschichte und Pflanzengeographie 119: 509-562. paleobotany

442. Renzaglia, K. S., Dengate, S. B. & Cochran, G. A. 1997. Microanatomy of the spermatozoid of Equisetum arvense. American Journal of Botany 84 Suppl. 6: 166. Abstract

443. Retallack, G. J. 1997. Earliest triassic origin of Isoetes and quillwort evolutionary radiation. Journal of Paleontology 71: 500-521. paleobotany

444. Riba, R., Pacheco, L., Valdes, A. & Sandoval, Y. 1997. Pteridoflora del estado de Morales, Mexico. Lista de familias, generos y especies. Acta Botanica Mexicana 37: 45-65. Spanish

445. Riba, R. & Perez-Garcia, B. 1997. En busca de la semilla de los helechos (translation: Moran, R. C. 1995. In search of the fern seed. Fiddlehead Forum 22: 37-40). Contactos 3ra Epoca 23: 35-38.

446. Riba, R. & Perez-Garcia, B. 1997. Pteridopfitas. Pp. In E. Gonzalez Soriano, R. Dirzo & R. C. Vogt (Ed.). Historia Natural de Los Tuxtlas. Universidad Nacional Autonoma de Mexico, Mexico.

447. Riba, R. & Perez-Garcia, B. 1997. Pueden las pteridofitas ser arboles- (translation: Moran, R. C. 1994. Pteridophytes as trees- Fiddlehead Forum 21: 10-13). Contactos 3ra. Epoca 24: 5-9.

448. Riba, R., Perez-Garcia, B. & Orozco Segovia, A. 1997. Las pteridofitas en la historia de las plantas de la Nueva Espana de Francisco Hernandez, Protomedico Espanol. Actas Etnobotanicas 92: 75-80.

449. Rickard, M. 1997. Blechnum spicant "heterophyllum" group. Pteridologist 3: 86.

450. Rickard, M. 1997. Hardiness in tree-ferns. Pteridologist 3: 67-69. horticulture

451. Rocks, J., Schulz, K., Buckley, D., Nauertz, E., Crow, T. & Zasada, J. 1997. Effect of contrasting forest harvest regimes on the growth performance of two northeastern temperate fern species. Bulletin of the Ecological Society of America 78: 304. Abstract, Dryopteris spinulosa, Athyrium filix-femina

452. Roder, W., Phengchanh, S. & Keobulapha, B. 1997. Weeds in slash-and-burn rice fields in northern Laos. Weed Research 37: 111-119. Lygodium flexuosa agriculture

453. Rodl-Linder, G. & Nooteboom, H. P. 1997. Notes on Davalliaceae III. Pp. 67-80. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

454. Rodriguez, H. & De Martino, G. 1997. Floristic checklist of the angiosperms and pteridophytes in the cloud forest around the structure of the Rancho Grande Biological Station of the Henri Pittier National Park, Aragua State, Venezuela. Ernstia 7: 7-151. floristics

455. Rodriguez, P. O. S. 1997. Hedgerows and mulch as soil conservation measures evaluated under field simulated rainfall. Soil Technology 11: 79-93. Nephrolepis

456. Romanova, M. A. 1997. Differentiation of the tissues in the Gymnocarpium dryopteris (Athyriaceae) rhizome. Botanicheskii Zhurnal St. Petersburg 82: 75-84. development

457. Rooney, T. P. & Dress, W. J. 1997. Species loss over sixty-six years in the ground layer vegetation of Heart's Content, an old-growth forest in Pennsylvania, USA. Natural Areas Journal 17: 297-305. Dennstaedtia punctilobula

458. Rothwell, G. W. 1997. The importance of fossils in reconstructing fern phylogeny. American Journal of Botany 84 Suppl. 6: 160. Abstract paleobotany

459. Roux, J. P. 1997. The morphology and cytology of a new Polystichum (Pteridophyta: Dryopteridaceae) hybrid from South Africa. Botanical Journal of the Linnean Society 124: 375-381.

460. Roux, J. P. 1997. A new species of Polystichum (Pteridophyta: Dryopteridaceae) from South Africa. Botanical Journal of the Linnean Society 125: 35-43.

461. Rull, V., et al. 1997. Oligo-miocene palynology of the Rio Chama sequence western Venezuela , with comments on fossil algae as paleoenvironmental indicators. Palynology 21: 213-229. paleobotany

462. Ruokolainen, K., Linna, A. & Tuomisto, H. 1997. Use of Melastomataceae and pteridophytes for revealing phytogeographical patterns in Amazonian rain forests. Journal of Tropical Ecology 13: 243-256. ecology, soil

463. Ruokolainen, K. & Tuomisto, H. 1997. Correlation between Melastomataceae and ferns species distributions and satellite image patterns in Peruvian Amazonia. Abstracts from the 7th meeting on Nordic Botanical Research in the Neotropics, University of Aarhus, 3-8 August.

464. Rydgren, K. & Hestmark, G. 1997. The soil propagule bank in a boreal old-growth spruce forest: Changes with depth and relationship to aboveground vegetation. Canadian Journal of Botany 75: 121-128. Athyrium filix femina, Gymnocarpium dryopteris, Phegopteris connectilis ecology, soil

465. Saez, L., Cubas, P. & Rossello, J. A. 1997. Asplenium X corbariense nothosubsp. andorranum (Aspleniaceae, Pteridophyta): A new wild diploid hybrid from the Pyrenees (Andorra). Nova Hedwigia 64: 267-277.

466. Sahoo, S. & Dhutta, B. K. 1997. Effect of Azolla caroliniana and Sesbania rostrata on rice yield. International Rice Research Notes 22: 40. agriculture 467. Saito, T., Yamane, H., Murofushi, N., Takahashi, N. & Phinney, B. O. 1997. 4-O-caffeoylshikimic and 4-O- p-coumaroyl shikimic acids from the dwarf tree fern, Dicksonia antarctica. Bioscience Biotechnology and Biochemistry 61: 1397-1398. biochemistry

468. Samant, B. & Phadtare, N. R. 1997. Stratigraphic palynoflora of the Early Eocene Rajpardi lignite, Gujarat and the lower age limit of the Tarkeswar Formation of South Cambay Basin, India. Palaeontographica Abteilung B Palaeophytologie 245: 1-108. paleobotany

469. Sanchez-Baracaldo, P. 1997. A phylogenetic analysis of the fern subfamily Taenitidoideae (Pteridaceae). American Journal of Botany 84 Suppl. 6: 166. Abstract

470. Sanz Elorza, M. 1997. Fragmenta chorologica occidentalia, 5956. Anales del Jardin Botanico de Madrid 55: 154.

471. Sato, T. 1997. A quantitative analysis of pteridophyte flora around Matsumoto with reference to geographical elements of Japan (preliminary report). The Annals of Environmental Science. Shinshu University 19: 73-82. Japanese

472. Satou, Z. 1997. Miscellaneous notes on ferns and fern allies 1-4 . Hikobia 12: 267-270.

473. Scheckler, S. E., Snigirevskaya, N. S. & Hill, S. A. 1997. Endosporic gametophytes of the heterosporous Late Devonian Frasnian progymnosperm Archaeopteris archetypus, A. obtusa. American Journal of Botany 84 Suppl. 6: 141. Abstract paleobotany

474. Schmid, R. 1997. Fertility of bracken Pteridium aquilinum var. pubescens in California and adjacent areas, including morphology of its dwarfed stress fronds resulting from burns, damage, etc. . American Journal of Botany 84 Suppl. 6: 166-167. Abstract ecology

475. Schneider, E. L. & Carlquist, S. 1997. SEM studies on vessels in ferns: III. Phlebodium and Polystichum. International Journal of Plant Sciences 158: 343-349.

476. Schneider, H. 1997. Root anatomy of Aspleniaceae and the implications for systematics of this fern family. Fern Gazette 15: 160-168.

477. Schneller, J. J. 1997. Tadeus Reichstein 1897-1996 . American Fern Journal 87: 33-40.

478. Schneller, J. J. & Holderegger, R. 1997. Vigor and survival of inbred and outbred progeny of Athyrium filix-femina. International Journal of Plant Sciences 158: 79-82.

479. Schweitzer, H.-J., Van Konijnenburg-Van Cittert, J. H. A. & Van Der Burgh, J. 1997. The Rhaeto-Jurassic flora of Iran and Afghanistan. 10. Bryophyta, Lycophyta, Sphenophyta, Pterophyta-Eusporangiatae and - Protoleptosporangiatae. Palaeontographica Abteilung B Palaeophytologie 243: 103-192. paleobotany

480. Scortegagna, S. 1997. Notes on the flora of the Venetian area of the Po Delta Rovigo Province . Societa Veneziana di Scienze Naturali Lavori 22: 91-95. Polypodium interjectum

481. Scowcroft, P. G. 1997. Mass and nutrient dynamics of decaying litter from Passiflora mollissima and selected native species in a Hawaiian montane rain forest. Journal of Tropical Ecology 13: 407-426. Cibotium glaucum ecology

482. Segawa, R., Bradley, A., Lee, P., Tran, D., Hsu, J., White, J. & Goh, K. S. 1997. Residues of forestry herbicides in plants of importance to California Native Americans. Bulletin of Environmental Contamination and Toxicology 59: 556-563. Pteridium aquilinum 483. Sempere, J. M., Rodrigo, C., Campos, A., Villalba, J. F. & Diaz, J. 1997. Effect of Anapsos - Polypodium leucotomos extract on in vitro production of cytokines. British Journal of Clinical Pharmacology 43: 85-89. pharmacology

484. Senna, R. M. & Waechter, J. L. 1997. Pteridophytes of an araucaria forest. 1. Life forms and patterns of geographical distribution. Iheringia Serie Botanica 0: 41-58.

485. Shackleford, I. & Hickey, R. J. 1997. Allopolyploid origins of Isoetes occidentalis and Isoetes maritima. American Journal of Botany 84 Suppl. 6: 162-163. Abstract

486. Sharma, B. D. 1997. An early angiosperm fructification resembling Lesqueria Crane & Dileher from the Rajmahal Hills, Bihar. Phytomorphology 47: 305-310. paleobotany

487. Sharpe, J. M. 1997. Leaf growth and demography of the rheophytic fern Thelypteris angustifolia (Willdenow) Proctor in a Puerto Rican rainforest. Plant Ecology 130: 203-212. ecology

488. Sharpe, J. M. 1997. Temporal variation in leaf and spore production rates for understory ferns of a Puerto Rican rainforest. American Journal of Botany 84 Suppl. 6: 167. Abstract ecology

489. Sharshir, F. A., Tadros, M. S. & Abutayesh, M. A. 1997. Fauna associated with three aquatic plants from Kafr El-Sheikh streams with special reference to arthropods and snails. Bulletin of the Ecological Society of America 78: 311. Abstract, Azolla filiculoides ecology

490. Sheffield, E., Douglas, G. E. & Cove, D. J. 1997. Growth and development of fern gametophytes in an airlift fermenter. Plant Cell Reports 16: 561-564. Pteridium aquilinum, Anemia phyllitides

491. Sherman, T. D. 1997. Anti-idiotypic antibodies to the mitotic disrupter herbicide oryzalin show immunological recognition of microtubules. Plant Physiology Rockville 114: 87. Abstract physiology

492. Shing, K.-H. & Iwatsuki, K. 1997. On the fern genus Pyrrosia Mirbel (Polypodiaceae) in Asia and adjacent Oceania (1). Journal of Japanese Botany 72: 19-35.

493. Shiojima, K., Arai, Y., Masuda, K., Kamada, T., Suzuki, M. & Ageta, H. 1997. Chemotaxonomy of fern plants (V): Japanese Polystichum species. Natural Medicines 51: 523-527. biochemistry

494. Shiojima, K., Arai, Y., Nakane, T. & Ageta, H. 1997. Fern constituents: Adiantum cuneatum. I. Three new triterpenoids, glaucanol B acetate, 7-beta,25-epoxyfern-8-ene and 25-norfern-7-en-10-beta-yl formate. Chemical & Pharmaceutical Bulletin Tokyo 45: 636-638. biochemistry

495. Shiojima, K., Arai, Y., Nakane, T. & Ageta, H. 1997. Fern constituents: Adiantum cuneatum. II. Six new triterpenoids, neohop-18-en-12-alpha-ol, 13-epineohop-18-en-12-alpha-ol, neohop-13-18-en-19-alpha-ol, Fern-7-en-25-ol, Fern-9 11-en-25-ol, and Adian-5-en-25-ol. Chemical & Pharmaceutical Bulletin Tokyo 45: 639-642. biochemistry

496. Shiojima, K., Arai, Y., Nakane, T., Ageta, H. & Cai, S.-Q. 1997. Fern constituents: Adiantum cuneatum. III. Four new triterpenoids, 4,23-bisnor-3,4-secofilic-5-24-en-3-al, 4,23-bisnor-3,3-dimethoxy-3,4-secofilic-5 24 -ene, 7-beta,25-epoxyfern-9-11 -en-8-alpha-ol and 7-alpha,8-alpha-epoxyfernan-25-ol. Chemical & Pharmaceutical Bulletin Tokyo 45: 1608-1610. biochemistry

497. Shrivastava, S. & Rao, K. S. 1997. Observation on the utility of integrated aquatic macrophyte base system for mercury toxicity removal. Bulletin of Environmental Contamination and Toxicology 59: 777-782. Salvinia pollution

498. Shvetsova, N. E. & Boikov, T. G. 1997. Spontaneous useful plant resources of western Zabaicalje. Rastitel'nye Resursy 33: 45-54. Pteridium aquilinum

499. Siddiqi, M. A., Athar, M. & Ahmed, S. 1997. Effect of farmyard manure and mineral fertilizers on coloration, growth, and biomass production of Azolla pinnata. Phytologia 83: 36-41. agriculture

500. Singh, Y. V. & Mandal, B. K. 1997. Nutrition of rice Oryza sativa through Azolla, organic materials and urea. Indian Journal of Agronomy 42: 626-633.

501. Sitar, V. & Kvacek, Z. 1997. Additions and revisions to the early Miocene flora of Lipovany southern Slovakia . Geologica Carpathica 48: 263-280. paleobotany

502. Skoda, B. 1997. Taxonomic comments on the "Flora of North America north of Mexico", vol. 2, with some new nomenclatural combinations for Pteridophyta. Preslia Prague 68: 341-359.

503. Skog, J. E. & Herendeen, P. S. 1997. New details of a fossil Gleichenia from the Lower Cretaceous of England. American Journal of Botany 84 Suppl. 6: 167. Abstract paleobotany

504. Smale, M. C., Burns, B. R., Smale, P. N. & Whaley, P. T. 1997. Dynamics of upland podocarp-broadleaved forest on Mamaku Plateau, central North Island, New Zealand. Journal of the Royal Society of New Zealand 27: 513-532. Dicksonia squarrosa, Cyathea smithii ecology

505. Smale, M. C., McLeod, M. & Smale, P. N. 1997. Vegetation and soil recovery on shallow landslide scars in Tertiary Hill Country, East Cape Region, New Zealand. New Zealand Journal of Ecology 21: 31-41. ecology

506. Small, R. & Hickey, R. J. 1997. Levels and patterns of genetic variation in Isoetes karstenii with observations on I. palmeri. American Fern Journal 87: 104-115.

507. Smith, A. R. 1997. Flora de Chile. Vol. 1. Pteridophyta Gymnospermae by C. Marticorena and R. Rodriguez (eds.) (Review). Taxon 46: 171-173.

508. Snow, C. S. R. & Marrs, R. H. 1997. Restoration of Calluna heathland on a bracken Pteridium-infested site in north west England. Biological Conservation 81: 35-42.

509. Soltis, D. E., Gitzendanner, M. A., Strenge, D. D. & Soltis, P. S. 1997. Chloroplast DNA intraspecific phylogeography of plants from the Pacific Northwest of North America. Plant Systematics and Evolution 206: 353-373.

510. Somvanshi, R., Bisht, S. P. S. & Prasad, M. C. 1997. Status of enzootic bovine haematuria EBH in Kumaon Himalayan region of Uttar Pradesh. Indian Veterinary Medical Journal 21: 159-161. Pteridium aquilinum India

511. Song, C. Q. & Sun, X. J. 1997. Establishment of transfer functions of the pollen-climatic factors in northern China and the quantitative climatic reconstruction at DJ core. Acta Botanica Sinica 39: 554-560.

512. Soper, L. R. & Payne, N. F. 1997. Relationship of introduced mink, an island race of muskrat, and marginal habitat. Annales Zoologici Fennici 34: 251-258. Equisetum fluviatile

513. Sorrie, B. A., Van Eerden, B. & Russo, M. J. 1997. Noteworthy plants from Fort Bragg and Camp MacKall, North Carolina. Castanea 62: 239-259. Isoetes hymenalis ecology

514. Southworth, D. & Cresti, M. 1997. Comparison of flagellated and nonflagellated sperm in plants. American Journal of Botany 84: 1301-1311. 515. Speer, W. D., Hilu, K. W. & Werth, C. R. 1997. Comparison of isozymes and morphology in the systematics of Pteridium aquilinum (L.) Kuhn (Dennstaedtiaceae). American Journal of Botany 84 Suppl. 6: 234. Abstract

516. Srivastava, D. S., Lawton, J. H. & Robinson, G. S. 1997. Spore-feeding: A new, regionally vacant niche for bracken herbivores. Ecological Entomology 22: 475-478. Pteridium aquilinum ecology, Pteridium aquilinum

517. Srivastava, S. K., Dixit, R. D. & Shukla, B. K. 1997. A note on endemic, rare and endangered vascular taxa of Madhya Pradesh. Journal of Economic and Taxonomic Botany 21: 225-232. India

518. Staahl, B., Oellgaard, B., Navarrette, H. & Baez, S. 1997. Plants of Oyacachi, an annotate list of vascular plants. Oyacachi-people and biodiversity. DIVA Technical Report 2: 94-102.

519. Stamps, R. H. 1997. Comparison of three sprinkler designs for cold protection in shadehouses. Hortscience 32: 533. Abstract, Rumohra adiantiformis hort

520. Stamps, R. H. & McColley, D. W. 1997. Chlorothalonil fungicides reduce vase life but not yield of leatherleaf fern Rumohra adiantiformis (Forst.) Ching. Hortscience 32: 1099-1101. horticulture

521. Standen, G., Insole, P. J., Shek, K. J. & Irwin, R. A. 1997. The use of particle monitoring in the performance optimisation of conventional clarification and filtration processes. Water Science and Technology 36: 191-198. Lycopodium

522. Stearn, W. 1997. Richard Eric Holttum (1895-1990). Pp. 1-6. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

523. Steeves, T. A. 1997. Development as a reflection of evolution in the vascular systems of ferns and seed plants. American Journal of Botany 84 Suppl. 6: 36-37. Abstract

524. Stefanovic, S., Rakatondrainibe, F. & Badre, F. 1997. Selaginellaceae. Pp. 68. In P. Morat (Ed.). Flore de Madagascar et des Comores. Paris.

525. Stefanovic, S. & Rakotondrainibe, F. 1997. Contribution to the study of the Selaginellaceae of Madagascar. Adansonia Paris 19: 165-168. Sellaginella sambiranensis

526. Stein, D. B., Conant, D. S. & Valinski, A. E. C. 1997. The implications of chloroplast DNA restriction site variation on the classification and phylogeny of the Cyatheaceae. Pp. 235-254. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

527. Stevenson, D. W. M. 1997. Cones and strobili, flowers and inflorescences. American Journal of Botany 84 Suppl. 6: 36. Abstract, Lyocopods

528. Strehl, T. & Miranda, A. L. B. 1997. Anatomy of Polypodium hirsutissimum Raddi (Pteridophyta,Polypodiaceae). Iheringia Serie Botanica 0: 21-32.

529. Stuetzel, T. & Gailing, O. 1995-1996. Leaves and ramenta in ferns: Differences and conformities considered from the morphogenetical and phylogenetical viewpoint. Beitraege zur Biologie der Pflanzen 69: 17-29. development

530. Suzuki, M. 1997. Morphological studies of rheophytic ferns in Ibaraki Prefecture, Japan. Annual Report of Practical Education, Ibaraki Univ. 15:

531. Sweller, S. & Martin, H. A. 1997. History of the vegetation of Burraga Swamp, Barrington Tops National Park, Upper Hunter River Region, New South Wales. Proceedings of the Linnean Society of New South Wales 118: 23-50. Dicksonia Australia

532. Szmeja, J. 1997. Evolution and conservation of lobelia lakes in Poland. Fragmenta Floristica et Geobotanica 42: 89-94. Isoetes lacustris Poland

533. Szmeja, J., Banas, K. & Bociag, K. 1997. Ecological conditions and tolerance limits of Isoetids along the southern Baltic Coast. Ekologia Polska 45: 343-359. Isoetes lacustris Poland

534. Szmeja, J., Markowski, R., Gos, K. & Olszak, I. 1997. Relationship between the shore vegetation and the evolution of oligotrophic lakes. Fragmenta Floristica et Geobotanica 42: 475-488. Isoetes lacustris Poland

535. Taeuscher, H. & Taeuscher, L. 1997. Hydrobotanical studies on and along water bodies of Berlin and Brandenburg: III. New find of Azolla filiculoides Lamarck in Panke creek. Verhandlungen des Botanischen Vereins von Berlin und Brandenburg 130: 199-201. Germany

536. Takamiya, M., Watanabe, M. & Ono, K. 1997. Biosystematic studies on the genus Isoetes (Isoetaceae) in Japan. IV. Morphology and anatomy of sporophytes, phytogeography and taxonomy. Acta Phytotaxonomica et Geobotanica 48: 89-121.

537. Takiguchi, Y., Imaichi, R. & Kato, M. 1997. Cell division patterns in the apices of subterranean axis and aerial shoot of Psilotum nudum (Psilotaceae): Morphological and phylogenetic implications for the subterranean axis. American Journal of Botany 84: 588-596.

538. Takiya, M. & Hagiwara, N. 1997. Vegetational history of Mt. Yokotsudake, southwestern Hokkaido, since the Last Glacial. Quaternary Research Tokyo 36: 217-234. Selaginella selaginoides

539. Tallantire, P. A. 1997. Plant macrofossils from the historical period from Scoat Tarn Wasdale , English Lake district, in relation to environmental and climatic changes. Botanical Journal of Scotland 49: 1-17. paleobotany

540. Tan, H. T. W., Choong, M. F., Chua, K. S., Loo, A. H. B., Ahmad, H. S. B. H., Seah, E. E. L., Turner, I. M. & Yong, J. W. H. 1997. A botanical survey of Sungei Buloh Nature Park, Singapore. Gardens' Bulletin Singapore 49: 15-35. floristics

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542. Tedesco, A. C., Gomes, A. J., Bonilha, J. B. S. & Gonzalez, S. 1997. The antioxidant action and royal jelly, Polypodium leucotomos and kojic acid, as scavenger of reactive oxygen species. Photochemistry and Photobiology 65: 30S. Abstract pharmacology

543. Teng, W.-L. 1997. Activated charcoal affects morphogenesis and enhances sporophyte regeneration during leaf cell suspension culture of Platycerium bifurcatum. Plant Cell Reports 17: 77-83.

544. Teng, W.-L. & Teng, M.-C. 1997. In vitro regeneration patterns of Platycerium bifurcatum leaf cell suspension culture. Plant Cell Reports 16: 820-824.

545. Therrien, J. P. & Haufler, C. H. 1997. Evolution and diversification of the Selaginellaceae. American Journal of Botany 84 Suppl. 6: 168. Abstract

546. Thomas, B. A. 1997. Upper Carboniferous herbaceous lycopsids. Review of Palaeobotany and Palynology 95: 129-153. paleobotany 547. Thomsen, R. 1997. Observation of periparturitional behaviour in wild Yakushima macaques Macaca fuscata yuakui. Folia Primatologica 68: 338-341. Pyrrosia lingua Japan

548. Thomson, W. W. & Platt, K. A. 1997. Conservation of cell order in desiccated mesophyll of Selaginella lepidophylla (Hook and Grev.) Spring. Annals of Botany (London) 79: 439-447.

549. Timoney, K. P., Peterson, G. & Wein, R. 1997. Vegetation development of boreal riparian plant communities after flooding, fire, and logging, Peace River, Canada. Forest Ecology and Management 93: 101-120. Equisetum pratense

550. Tomasi, V. H. & Rovasio, R. A. 1997. Softening of plant specimens Equisetaceae to improve the preparation of paraffin sections. Biotechnic & Histochemistry 72: 209-212. anatomy

551. Tong-Shui, Z., Rui-Zhou, L., Dong-Wu, L. & Rong-Han, Z. 1997. Determination of total flavonoid and naringin in the rhizome of Drynaria fortunei (Kze.) J. Sm. Journal of Plant Resources and Environment 6: 54-55. biochemistry

552. Tripathi, R. P. & Sharma, B. D. 1997. Megaspore from the lignite of Rajasthan. J. Palynol. 33: 177-180. paleobotany

553. Truchlinski, J. 1997. Antivitamins as natural substances of food and as xenobiotics: A review. Medycyna Weterynaryjna 53: 490-493. Pteridium aquilinum pharmacology

554. Tryon, A. & Moran, R. 1997. The ferns and allied plants of New England. Massachusetts Audubon Society, Lincoln. 330 pp.

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556. Tryon, R. 1997. Systematic notes on Oleandra. Rhodora 99: 335-343.

557. Tsou, C.-H., Tseng, I.-J., Lin, R.-F. & Hong, H.-Y. 1997. Aeropalynological investigation in Taichung, Taiwan, 1993-1995. Botanical Bulletin of Academia Sinica Taipei 38: 57-62.

558. Tsuyuzaki, S. 1997. Wetland development in early stages of volcanic succession. Journal of Vegetation Science 8: 353-360. Equisetum arvense ecology

559. Turner, I. M., Tan, H. T. W., Seah, E. E. L., Loo, A. H. B. & Bin Ibrahim, A. 1997. Additions to the flora of Singapore, III. Gardens' Bulletin Singapore 49: 1-5. Lecanopteris sinuosa

560. Uchida, J. Y. & Aragaki, M. 1997. Comparative morphology and pathology of Calonectria theae and C. colhounii in Hawaii. Plant Disease 81: 298-300. Rumohra adiantiformis hort

561. Uchida, J. Y. & Kadooka, C. Y. 1997. Blight of leatherleaf fern caused by Calonectria theae and Cylindrocladium spp. Phytopathology 87: S98-S99. Abstract, Rumohra adiantiformis hort

562. Uchida, K. & Furuya, M. 1997. Control of the entry into S phase by phytochrome and blue light receptor in the first cell cycle of fern spores. Plant and Cell Physiology 38: 1075-1079. Adiantum capillus-veneris

563. Uddin, M. G. & Pasha, M. K. 1997. Antrophyum plantagineum Kaulf; (Antrophyceae (Link) Ching): A new fern record for Bangladesh. Bangladesh Journal of Botany 26: 187-190.

564. Ukpong, I. E. 1997. Mangrove swamp at a saline-fresh water interface near Creek Town, Southeastern Nigeria. CATENA 29: 61-71. Acrostichum aureum 565. Van Boskirk, M. C. 1997. The paleofloristics and systematic character of the Cretaceous lower Campanian Eagle Formation, Wyoming and Montana, USA. American Journal of Botany 84 Suppl. 6: 144. Abstract paleobotany

566. Van De Genachte, E. 1996. Conservation genetics of the granite outcrop quillworts Isoetes melanospora and Isoetes tegetiformans. Univeristy of Georgia, Athens. 50 pp. Thesis

567. Van Rooyen, N. & Bezuidenhout, H. 1997. New records of flowering plants and ferns from the Kalahari Gemsbok National Park. Koedoe 40: 105-116. floristics

568. van Uffelen, G. A. 1997. The spore wall in Polypodiaceae: development and evolution. Pp. 95-118. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

569. Vandergoes, M. J., Fitzsimons, S. J. & Newnham, R. M. 1997. Late glacial to Holocene vegetation and climate change in the eastern Takitimu Mountains, western Southland, New Zealand. Journal of the Royal Society of New Zealand 27: 53-66. Pteridium ecology

570. Vasange, M., Liu, B., Welch, C. J., Rolfsen, W. & Bohlin, L. 1997. The flavonoid constituents of two Polypodium species Calaguala and their effect on the elastase release in human neutrophils. Planta Medica 63: 511-517. pharmacology

571. Vasange, M., Rolfsen, W. & Bohlin, L. 1997. A sulphonoglycolipid from the fern Polypodium decumanum and its effect on the platelet activating-factor receptor in human neutrophils. Journal of Pharmacy and Pharmacology 49: 562-566. pharmacology

572. Vega, E., Caudales, R. & Sanchez-Perez, A. 1997. New records of pteridophytes for Botswana. American Fern Journal 87: 127-130.

573. Vela, E. 1997. Simplified taxonomic key and concise catalog of the flora of Provence: Part 1. Vascular cryptogams ferns and allied plants . Bulletin de la Societe Linneenne de Provence 48: 89-103. France, floristics

574. Ventura, W. & Ladha, J. K. 1997. Sesbania phosphorus requirements when used as biofertilizer for long-term rice cultivation. Soil Science Society of America Journal 61: 1240-1244. Azolla microphylla

575. Villaverde, C. S. & Caluff, M. G. 1997. The threatened ferns and allied plants from Cuba. Pp. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

576. Voege, M. 1997. Plant size and fertility of Isoetes lacustris L. in 20 lakes of Scandinavia: A field study. Archiv fuer Hydrobiologie 139: 171-185.

577. Wada, H., Daidohji, K. & Tanaka, N. 1997. Two new cyanogenic glycosides from Microlepia strigosa. Natural Medicines 51: 69-70. biochemistry

578. Wada, H., Kasuga, H., Takahashi, S., Hoshino, T., Ueda, H., Tanaka, N., Cambie, R. C. & Braggins, J. E. 1997. Distribution of lignans in blechnaceous ferns in New Zealand. Natural Medicines 51: 555. Blechnum, Doodia biochemistry

579. Wada, H., Shimada, T. & Tanaka, N. 1997. Methyl proto-gracillin from the fern Loxogramme saziran. Natural Medicines 51: 554. biochemistry

580. Wada, M., Kanegae, T., Nozue, K. & Fukuda, S. 1997. Cryptogam phytochromes. Plant Cell and Environment 20: 685-690. Adiantum biochemistry 581. Wagner, G. M. 1997. Azolla: A review of its biology and utilization. Botanical Review 63: 1-26.

582. Wagner, R. H. & Lyons, P. C. 1997. A critical analysis of the higher Pennsylvanian megafloras of the Appalachian region. Review of Palaeobotany and Palynology 95: 255-283. paleobotany

583. Wagner, W. H. & Wagner, F. S. 1997. The northwestern North American moonwort metropolis and its outliers. American Journal of Botany 84 Suppl. 6: 168. Abstract, Botrychium

584. Wagner, W. H. J. 1997. Ophioglossaceae. Pp. 35-36. In J. Boggan, et al. (Ed.). Checklist of the Plants of the Guianas, Ed. 2. Center for the Study of Biological Diversity, University of Guyana, Georgetown.

585. Walsh, D., Kirkpatrick, J. B. & Skira, I. J. 1997. Vegetation patterns, environmental correlates and vegetation change in a Puffinus tenuirostris breeding colony at Cape Queen Elizabeth, Tasmania. Australian Journal of Botany 45: 71-79. Pteridium esculentum Australia

586. Wang, Q.-X., Chang, Y. & Bao, W.-M. 1997. A study on the spore morphology of Monomelangium pullingeri. Bulletin of Botanical Research 17: 72-74.

587. Wang, Q.-X., Chen, L.-Q. & Bao, Q.-X. 1997. Studies on the spore morphology of Gymnopteris from China. Acta Botanica Boreali-Occidentalia Sinica 17: 44-47.

588. Wang, X. P. 1997. The classification and successional trend of Carpinus fargesii forest in Guangxi. Journal of Plant Resources and Environment 6: 13-18.

589. Wang, X. Y. & Wang, P. S. 1997. New materials for Polystichum from Guizhou. Acta Botanica Yunnanica 19: 41-42.

590. Wang, X. Y. & Wang, P. S. 1997. A new species of Cystopteris (Athyriaceae) from Guizhou. Acta Botanica Yunnanica 19: 141-142.

591. Wang, Z. R. 1997. A revision of the Chinese Athyrium Roth (I) Subgeneric classification of the genus. Bulletin of Botanical Research 17: 274-300.

592. Wang, Z. R. 1997. A revision of the Chinese Athyrium Roth (II) Enumeration of species (1). Acta Phytotaxonomica Sinica 35: 317-340.

593. Wang, Z. R. 1997. A subdivision of the family Athyriaceae Alston. Acta Phytotaxonomica Sinica 35: 32-36.

594. Wardlaw, A. C. 1997. Experimental enclosures for fern protection. Pteridologist 3: 69-73. horticulture

595. Wardlaw, A. C. 1997. Survey of the scientific literature on frost-hardiness of ferns. Pteridologist 3: 74-78. horticulture

596. Wark, M. C. 1997. Regeneration of some forest and gully communities in the Angahook-Lorne State Park north-eastern Otway Ranges 1-10 years after the wildfire of February 1983. Proceedings of the Royal Society of Victoria 109: 7-36. Cyathea australis ecology

597. Weber, M., Benzaglia, K. S., Pass, J. M. & Garbary, D. J. 1997. Actin and nuclear shaping during spermatogenesis in a liverwort, moss and lycophyte. American Journal of Botany 84 Suppl. 6: 57. Abstract, Selaginella australiensis

598. Werth, C. R. & Xiang, L. 1997. Gametophyte progeny of the sterile hybrid Dryopteris X triploidea: Germination of "giant" spores and inheritance of allozymes. American Journal of Botany 84 Suppl. 6: 168-169. Abstract

599. Wheeler, A. G. J. 1997. Neoneides muticus (Heteroptera, Berytidae): Host plants and seasonality in mid-Appalachian shale barrens. Entomological News 108: 175-178. Cheilanthes lanosa ecology

600. Whitehead, S. J., Caporn, S. J. M. & Press, M. C. 1997. Effects of elevated CO-2, nitrogen and phosphorus on the growth and photosynthesis of two upland perennials: Calluna vulgaris and Pteridium aquilinum. New Phytologist 135: 201-211.

601. Whitehead, S. J. & Digby, J. 1997. The morphology of bracken Pteridium aquilinum (L.) Kuhn in the North York Moors: A comparison of the mature stand and the interface with heather Calluna vulgaris (L.) Hull 1. The fronds. Annals of Applied Biology 131: 103-116.

602. Whitehead, S. J. & Digby, J. 1997. The morphology of bracken Pteridium aquilinum (L.) Kuhn in the North York Moors: A comparison of the mature stand and the interface with heather Calluna vulgaris (L.) Hull 2. The rhizome. Annals of Applied Biology 131: 117-131.

603. Whittaker, R. J., Jones, S. H. & Partomihardjo, T. 1997. The rebuilding of an isolated rain forest assemblage: How disharmonic is the flora of Krakatau- Biodiversity and Conservation 6: 1671-1696. ecology

604. Whittle, C. A., Duchesne, L. C. & Needham, T. 1997. Comparison of emergence methods to evaluate viable plant propagules in forest soils following fire. Canadian Field-Naturalist 111: 436-439. Dennstaedtia punctilobula

605. Whittle, C. A., Duchesne, L. C. & Needham, T. 1997. The impact of broadcast burning and fire severity on species composition and abundance of surface vegetation in a jack pine (Pinus banksiana) clear-cut. Forest Ecology and Management 94: 141-148. Pteridium aquilinum ecology

606. Widen, C.-J., Fraser-Jenkins, C. R. & Reichstein, T. 1997. New phloroglucinol derivatives in Dryopteris subimpressa (Pteridophyta, Dryopteridaceae). Annales Botanici Fennici 34: 21-26. pharmacology

607. Wikstrom, N. & Kenrick, P. 1997. Phylogeny of Lycopodiaceae (Lycopsida) and the relationship of Phylloglossum drummondii Kunze based on rbcL sequences. American Journal of Botany 84 Suppl. 6: 169. Abstract

608. Wikstrom, N. & Kenrick, P. 1997. Phylogeny of Lycopodiaceae (Lycopsida) and the relationships of Phylloglossum drummondii Kunze based on rbcL sequences. International Journal of Plant Sciences 158: 862-871.

609. Williamson, M., Jansson, T. & Ericsson, S. 1997. Diplazium sibiricum found in Jamtland, central Sweden, and some notes on its occurrence on outpost localities. Svensk Botanisk Tidskrift 91: 77-84.

610. Willis, T. & Nester-Hudson, J. E. 1997. Reproduction of Asplenium platyneuron by gametophytes in Walker County, Texas. American Journal of Botany 84 Suppl. 6: 169. Abstract

611. Wilmoth, M. S. 1996. Photosynthetic recovery of photosystem II and the oxygen evolving complex in a desiccation-tolerant species: Selaginella lepidophylla. Vanderbilt University, pp. Dissertation

612. Wilson, G. & Al-Hamdani, S. 1997. Effects of chromium VI and humic substances on selected physiological responses of Azolla caroliniana. American Fern Journal 87: 17-27.

613. Windisch, P. G. 1997. Pteridophyta from Mato Grosso: Psilotaceae. Bradea 8: 57-60. Brazil 614. Witztum, A. 1997. David W. Bierhorst (1924-1997). American Fern Journal 87: 117-119.

615. Wolek, J. 1997. Species co-occurrence patterns in pleustonic plant communities class Lemnetea : Are there assembly rules governing pleustonic community assembly- Fragmenta Floristica et Geobotanica 0: 3-100.

616. Wolf, P. G. 1997. Evaluation of atpB nucleotide sequences for phylogenetic studies of ferns and other pteridophytes. American Journal of Botany 84: 1429-1440.

617. Wolf, P. G., Pryer, K. M. & Irwin, J. A. 1997. Multiple gene approaches to fern phylogeny. American Journal of Botany 84 Suppl. 6: 160. Abstract

618. Wolfe, A. P. 1997. On diatom concentrations in lake sediments: Results from an inter-laboratory comparison and other tests performed on a uniform sample. Journal of Paleolimnology 18: 261-268. Lycopodium

619. Woo, E.-R., Kim, H. J., Kwak, J. H., Lim, Y. K., Park, S. K., Kim, H. S., Lee, C.-K. & Park, H. 1997. Anti-herpetic activity of various medicinal plant extracts. Archives of Pharmacal Research Seoul 20: 58-67. Osmunda japonica pharmacology

620. Woo, M.-K., Fang, G. & Dicenzo, P. D. 1997. The role of vegetation in the retardation of rill erosion. CATENA 29: 145-159.

621. Wu, S. 1997. A preliminary study of the ferns and fern allies of Wuling mountain range district, China. Pp. 173-176. In R. J. Johns (Ed.). Holttum Memorial Volume. Royal Botanic Gardens, Kew.

622. Wu, S.-F. & Zhou, B. 1997. A preliminary study of the ferns and fern allies of Wulinguan, Hunan province. J. of Shanghai Teachers Univ. (Natural Sciences) 26: 73-77.

623. Wu, S. F. 1997. A new species of Cyrtomium from Hunan. Journal of Wuhan Botanica Research 15: 218-220.

624. Wu, S. F., Wang, J. J. & Ru, M. H. 1997. A preliminary study of the Mangshan pteridophyte flora. Acta Museum Historiae Naturae Sinica Supplement #10: 105-120.

625. Xiang, L., Werth, C. R., Emery, S. N. & McCauley, D. E. 1997. Species bias for maternal ancestry of interspecific hybrids between diploid Dryopteris intermedia and tetraploid D. carthusiana: Evidence from chloroplast DNA. American Journal of Botany 84 Suppl. 6: 169-170. Abstract

626. Yamauchi, T., Oyama, N., Yamane, H., Murofushi, N., Schraudolf, H., Pour, M., Seto, H. & Mander, L. N. 1997. Biosynthesis of GA-73 methyl ester in Lygodium ferns. Plant Physiology Rockville 113: 773-778.

627. Yi, S. 1997. Zygnematacean zygospores and other freshwater algae from the Upper Cretaceous of the Yellow Sea Basin, southwest coast of Korea. Cretaceous Research 18: 515-544. paleobotany

628. Yu, S.-l. 1997. Flora and ecological characteristics of ferns in Dongling mountain area. Bulletin of Botanical Research 17: 409-412.

629. Yu, S. L. & Lin, Y. X. 1997. Comparative anatomy on the stipes and rhizomes of the fern genus Lepisorus. Bulletin of Botanical Research 17: 60-64.

630. Yurina, A. L. & Putyatina, O. N. 1997. Problems of classifications of some Paleozoic Ginkgo-like megaphyllous plants. Paleontologicheskii Zhurnal 83-88. paleobotany

631. Zelaya-Molina, L., Pacheco, L. & Aguilar-Perez, C. 1997. Anatomy of nine species of the genus Diplazium Swartz. Pp. 170. In Scripta botanica Belgica: Symposium Morphology, Anatomy and Systematics. National Botanic Garden of Belgium, Meise. Abstract

632. Zenkteler, E. 1997. Apomixis in ferns. Alternation of generations without syngamy and Meiosis. Acta Biologica Cracoviensia Series Zoologia 39: 37. Abstract

633. Zenkteler, E. 1997. Elimination of contaminants and explant browning during micropropagation by pre-treatment of rhizome of Thelypteris palustris Schott. Polish Agric. Ann. Series E 26: 141-148.

634. Zenkteler, E., Idzikowska, K. & Duczmal, M. 1997. A SEM study of Osmunda regalis L. reproductive biology. Bulletin of the Polish Academy of Sciences Biological Sciences 45: 45-50.

635. Zhang, X.-C. & Nooteboom, H. P. 1997. Some new combinations in Plagiogyria (Plagiogyriaceae, Pteridophyta). Blumea 42: 483-484.

636. Zhao, M. & Duncan, J. R. 1997. Batch removal of sexivalent chromium by Azolla filiculoides. Biotechnology and Applied Biochemistry 26: 179-182. pollution

637. Zhao, M. & Duncan, J. R. 1997. Column sorption and desorption of hexavalent chromium form aqueous solution and electroplating effluent using Azolla filiculoides. Resource and Environmental Biotechnology 2: 51-64. pollution

638. Zhong, W. & Bao-Ying, G. 1997. A new Middle Devonian plant: Metacladophyton tetraxylum gen. et sp. nov. Palaeontographica Abteilung B Palaeophytologie 243: 85-102. paleobotany

639. Zhou, Z. C., Willems, H. & Zhang, B. G. 1997. Marine Cretaceous-Paleogene biofacies and ichnofacies in southern Tibet, China, and their sedimentary significance. Marine Micropaleontology 0:

640. Zimmer, B. & Prado, J. 1997. Proposal to reject the name Adiantum dissimile (Polypodiaceae, Adiantoideae). Taxon 46: 123-124.

641. Zink, M. J. 1997. Karl U. Kramer (1928-1994). Taxon 46: 135-146.