Annual Review of Pteridological Research - 1994

Literature Citations All Citations

1. Abdul Majeed, K. K., K. R. Leena & P. V. Madhusoodanan. 1994. Ecology and distribution of Lomariopsid ferns of Kerala. J. Pl. and Envt. 10: 71–74.

2. Aeschimann, D. & H. M. Burdet. 1994. Flora of Switzerland and the surrounding areas: The new Binz. Editions du Griffon, Neuchatel, Switzerland. 603 pp.

3. Ahlmer, W., H. Haeupler, R. May, H. Muehlberg, P. Schoenfelder & A. Vogel. 1993 (1994). A call for the submission of recent floristic data. Floristische Rundbriefe 27(2): 61–66.

4. Almeida, M. R. & S. M. Almeida. 1993 (1994). Identification of some plants from 'Hortus Malabaricus'. Journal of the Bombay Natural History Society 90(3): 423–429.

5. Alpinar, K. 1994. Some contributions to the Turkish flora. Edinburgh Journal of Botany 51(1): 65–73. [Pilularia minuta]

6. Ammal, L. S. & K. V. Bhavanandan. 1994. Karyomorphological studies on Dryopteris Adanson. Indian Fern Journal 11(1–2): 89–93.

7. Amoroso, V. B. 1993. Valuable ferns in Mindanao. CMU Journal of Science 6(2): 23–26.

8. Amoroso, V. B. 1993. Morphosystematic studies on some Pteridophytes in Mt. Kitanglad, Bukidnon. SEAMEO BIOTROP Pub. No. 51: 97–128.

9. Amoroso, V. B. 1994. Morpho–anatomical studies of Equisetum ramosissimum. Phil. Journal of Science 23(3): 213–214.

10. Amoroso, V. B., F. Acma & H. P. Pava. 1994. Some endemic ferns of Mt. Apulang, Bukidnon. Bio–Science Bulletin 9: 2–6.

11. Amoroso, V. B., I. M. Acma & H. P. Pava. 1994. Diversity, status and ecology of Pteridophytes in three forests in Mindanao. NOMCARRD Newsletter IV(10): 4–5.

12. Anand, R. K. & R. B. Shrivastava. 1994. Ethnopharmacological study of Adiantum lunulatum Burm F. Indian Fern Journal 11(1–2): 137–141.

13. Andersen, F. O. & K. R. Olsen. 1994. Nutrient cycling in shallow, oligotrophic Lake Kvie, Denmark: II. Effects of isoetids on the exchange of phosphorus between sediment and water. Hydrobiologia 275–276: 267–276.

14. Angelo, R. 1994. A computer method for producing dot distribution maps. Rhodora 96: 190–194. [Equisetum]

15. Anzalone, B., et al. 1994(1995). The Flora of Rio Fuggio (Vallonina, Leonessa – RI). Informatore Botanico Italiano 26(2–3): 231–271. [Italian]

16. Appenroth, K. J., S. Duerr, H. Gabrys & R. Scheuerlein. 1994. No regulation of 45calcium–uptake or release by phytochrome as an essential step in the transduction chain. Plant Physiology and Biochemistry (Montrouge) 32(3): 429–435. [Dryopteris paleacea]

17. Arai, Y., N. Koide, F. Ohki, H. Ageta, L.–L. Yang & K.–Y. Yen. 1994. Fern constituents: Triterpenoids isolated from leaflets of Cyathea spinulosa. Chemical & Pharmaceutical Bulletin (Tokyo) 42(2): 228–232.

18. Archangelsky, S. & L. V. De Seoane. 1994. Palynological studies of the Baquero Formation (Cretaceous): Santa Cruz Province, Argentina: VI. Ameghiniana 31(1): 41–53. [Spanish]

19. Arens, N. C. & P. Sanchez Baracaldo. 1994. Distribution of tree ferns within the successional mosaic of an Andean cloud forest, Reserva Natural La Planada, Colombia. American Journal of Botany 81 Suppl. 6: 126. [Abstract]

20. Arshad, M. A., K. S. Gill & G. R. Coy. 1994. Wheat yield and weed population as influenced by three tillage systems on a clay soil in temperate continental climate. Soil & Tillage Research 28(3–4): 227–238. [Equisetum arvense]

21. Artmann, G. 1994. Ophonus stictus Steph. rediscovered in the Swiss Jura after almost one hundred years (Coleoptera, Carabidae). Mitteilungen der Entomologischen Gesellschaft Basel 44(1): 27–29. [German; Equisetum telmateia]

22. Asbjornsen, H. & F. Montagnini. 1994. Vesicular–arbuscular mycorrhizal inoculum potential affects the growth of Stryphnodendron microstachyum seedlings in a Costa Rican humid tropical lowland. Mycorrhiza 5(1): 45–51. [Nephrolepis biserrata]

23. Ash, S. 1994. Donwelliacaulis chlouberii gen. et sp. nov. (Guaireaceae, Osmundales) one of the oldest Mesozoic plant megafossils in North America. Palaeontographica Abteilung B Palaeophytologie 234(1–2): 1–17.

24. Asker, S. 1994. Finds of vascular plants in the parish of Tannas, Harjedalen, C Sweden. Svensk Botanisk Tidskrift 88: 363. [Norwegian; Botrychium lanceolatum]

25. Augustine, J., N. Sasidharan & A. Bharadwaj. 1994. Ophioglossum pendulum L. (Ophioglossaceae) from the mainland of India. Journal of Economic and Taxonomic Botany 18(2): 445–447.

26. Authier, P. 1994. Contributions to "Flora Hellenica": The flora of mount Timfi area (National Park of Vikos–Aoos, Epirus, north–west Greece) (II). Candollea 49: 483–497. [French; Equisetum hyemale, Cheilanthes persica]

27. Ayer, W. A. & L. S. Trifonov. 1994. Lycopodium alkaloids. Pp. 233–266. In G. A. Cordell & A. Brossi (Eds.). Alkaloids (San Diego), Vol. 45. Academic Press, Inc., San Diego, California, USA; London, England, UK.

28. Badelt, K., R. G. White, R. L. Overall & M. Vesk. 1994. Ultrastructural specializations of the cell wall sleeve around plasmodesmata. American Journal of Botany 81: 1422–1427. [Nephrolepis exaltata, Azolla pinnata]

29. Baek, N. I., E. J. Kennelly, L. B. S. Kardono, S. Tsauri, K. Padmawinata, D. D. Soejarto & A. D. Kinghorn. 1994. Flavonoids and a proanthocyanidin from rhizomes of Selliguea feei. Phytochemistry (Oxford) 36(2): 513–518.

30. Banks, J. A. 1994. Sex–determining genes in the homosporous fern Ceratopteris. Development (Cambridge) 120(7): 1949–1958.

31. Bar, E. & E. Tel Or. 1994. Effect of light and oxygen on nitrogenase activity and dinitrogenase reductase (Fe–protein) content in Azolla–Anabaena association. Journal of Plant Physiology 144: 438–443.

32. Barbacka, M. 1994. Pachypteris banatica (Humml) Doludenko from Liassic locality in Mecsek Mountains, Hungary. Acta Palaeobotanica 34: 5–19.

33. Barbacka, M. 1994. Reconstructions of stomata in Komlopteris Barbacka and Pachypteris Brongniart and their adaptation to climate. Annales Historico Naturales Musei Nationalis Hungarici 86: 5–11.

34. Barlow, P. W. 1994. Evolution of Structural Initial Cells in Apical Meristems of Plants. Journal of Theoretical Biology 169(2): 163–177.

35. Barlow, P. W. 1994. Structure and function at the root apex – phylogenetic and ontogenetic perspectives on apical cells and quiescent centres. Plant and Soil 167(1): 1–16.

36. Barros, I. C. L., E. S. D. L. Mancilha, K. M. R. D. Santos & P. S. D. A. Sa. 1993–1994. Stomatal apparatus in Selaginella breyneii Spring and Char., Selaginella convoluta (Arnott) Spring and Selaginella muscosa Spring (Pteridophyta). Boletim da Sociedade Broteriana 66(2): 139–152.

37. Barthlott, W., K. Riede & M. Wolter. 1994. Mimicry and ultrastructural analogy between the semi–aquatic grasshopper Paulinia acuminata (Orthoptera: Pauliniidae) and its foodplant, the water–fern Salvinia auriculata (Filicatae: Salviniaceae). Amazoniana 13(1–2): 47–58.

38. Bateman, R. M. 1994. Evolutionary–developmental change in the growth architectures of rhizomorphic lycopsids: scenarios build on cladistic foundations. American Journal of Botany 81 Suppl. 6: 18. [Abstract]

39. Bateman, R. M. 1994. Evolutionary–developmental change in the growth architecture of fossil rhizomorphic lycopsids: scenarios constructed on cladistic foundations. Biological Reviews 69: 527–597.

40. Bateman, R. M. 1994. Integrating extinct and extant plants in phylogeny reconstruction. Fourth European Palaeobotanical–Palynological Conference (Heerlen) 11–12. [Abstract]

41. Bateman, R. M. & W. A. DiMichele. 1994. Heterospory in pteridophytes: the most iterative key innovation in the evolutionary history of the plant kingdom. American Journal of Botany 81 Suppl. 6: 127. [Abstract]

42. Bateman, R. M. & W. A. DiMichele. 1994. Heterospory: the most iterative key innovation in the evolutionary history of the plant kingdom. Biological Reviews 69: 345–417.

43. Bateman, R. M. & W. A. DiMichele. 1994. Saltational evolution of form in vascular plants: a neoGoldschmidtian synthesis. Pp. 63–102. In D. S. Ingram (Ed.). Shape and form in plants and fungi. Academic Press, London.

44. Bateman, R. M. & N. Morton. 1994. New petrified Middle Jurassic floras from nearshore marine sediments at Bearreraig, Skye, W. Scotland. American Journal of Botany 81 Suppl. 6: 88. [Abstract]

45. Battaglia, E. 1994. Nucleosome and nuleotype: a terminological criticism. Caryologia 47: 193–197.

46. Batten, D. J., M. E. Collinson & E. Knobloch. 1994. Ariadnaesporites and Capulisporites: "water fern" megaspores from the Upper Cretaceous of Central Europe. Review of Palaeobotany and Palynology 83(1–3): 159–174.

47. Bauer, R. & F. Oberwinkler. 1994. Meiosis, septal pore architecture, and systematic position of the heterobasidiomycetous fern parasite Herpobasidium filicinum. Canadian Journal of Botany 72(9): 1229–1242.

48. Baysa, M. C. & R. A. Tabbada. 1994. Lead uptake and growth responses in the aquatic fern, Salvinia sp. Asia Life Sciences 3(1): 55–60.

49. Becker, M., J. K. Ladha, I. C. Simpson & J. C. G. Ottow. 1994. Parameters affecting residue nitrogen mineralization in flooded soils. Soil Science Society of America Journal 58: 1666–1671. [Azolla]

50. Bejoy, M., R. Prathapachandran & G. B. Nair. 1994. Development studies on the gametophyte of Christella hispidula (Decne.) Holttum. Indian Fern Journal 11(1–2): 142–145.

51. Bennert, H. W., W. Jaeger, W. Leonhards, H. Rasbach & K. Rasbach. 1994. Prothallia of the filmy fern Trichomanes speciosum (Hymenophyllaceae) in North–Rhine Westphalia. Floristische Rundbriefe 28(1): 80.

52. Bera, S., N. Ghorai & C. K. Raut. 1994. Cynipid gall in Selaginella monospora Spring. Indian Fern Journal 11(1–2): 146–149.

53. Berry, C. M. & D. Edwards. 1994. New data on the morphology and anatomy of the Devonian zosterophyll Serrulacaulis Hueber and Banks from Venezuela. Review of Palaeobotany and Palynology 81(2–4): 141–150.

54. Beug, H. J. 1994. Studies of the vegetation history of pre–Boreal pond deposits in the Upper Harz Mountains. Pp. 111–127. In A. F. Lotter & B. Ammann (Eds.). Dissertationes Botanicae, Vol. 234. A festschrift for Gerhard Lang: Contributions to the systematics and evolution, floristics and geobotany. J. Cramer in der Gebrueder Borntraeger Verlagsbuchhandlung, Berlin. [German; Isoetes echinospora]

55. Bhardwaja, T. N., C. B. Gena & M. I. C. D'Souza. 1994. A new species of Marsilea L. from India. Indian Fern Journal 11(1–2): 49–52.

56. Bhattarai, N. K. 1994. Folk herbal remedies for gynaecological complaints in central Nepal. International Journal of Pharmacognosy 32(1): 13–26.

57. Bidin, A. A. & T. G. Walker. 1994. Distribution of Ploidy in Southeast Asian Cytotypes of Adiantum caudatum (Pteridophyta: Adiantaceae). Malayan Nature Journal 48(2): 79–82.

58. Bir, S. S. 1994. Uniqueness of the pteridophytic flora of the Himalayas and conservation of threatened elements. Pp. 65–82. In U. Dhar (Ed.). Himalayan Biodiviersity: Conservation Strategies. Himavikas Publ. 3.

59. Bir, S. S. 1994. Pteridophytes: an enigmatic group of plants. Journal of Indian Botanical Society 73: 1–13.

60. Bir, S. S. 1994. Cytological evolution in different floras of India. Journal of Plant Science Research 9: 77–87.

61. Bir, S. S. 1994. Chromosomal analysis of fern flora of India: its impacts and implications. Pp. 27–39. In S. Ghosh (Ed.). Plant cytogenetics in India. Assoc. Cell & Chromosome Research, Dept. of Botany, University of Calcutta, Calcutta, India.

62. Bir, S. S., V. Irudayaraj & S. Singh. 1994. Biosystematic studies on the Asplenioid and Athyrioid genera from the Himalayas: Results of chromosomal analysis on population basis. Indian Fern Journal 11: 82–88.

63. Bishop, G. R. 1994. The distribution of size among ramets in a local population of Woodwardia areolata. American Journal of Botany 81 Suppl. 6: 127. [Abstract]

64. Bittner, J. & S.–W. Breckle. 1994. Comparative studies to the phenology and ecology different tree ferns of the genus Cyathea and Alsophila in the "Reserva Biologica Alberto Brenes", Alajuela, Costa Rica. American Journal of Botany 81 Suppl. 6: 134.

65. Bjorck, S., B. Wohlfarth, O. Bennike, C. Hjort & T. Persson. 1994. Revision of the early Holocene lake sediment based chronology and event stratigraphy on Hochstetter Forland, NE Greenland. Boreas(Oslo) 23(4): 513–523.

66. Blanc–Valleron, M. M., M. Schuler, R. Rauscher, G. Camoin & J. M. Rouchy. 1994. The organic matter of the Potosi basin (Cordillera Oriental, Bolivia) during the Upper Cretaceous–Lower Tertiary: Stratigraphic and palaeogeographic data. Comptes Rendus de l'Academie des Sciences Serie II Sciences de la Terre et des Planetes 319(11): 1359–1366. [French]

67. Bodziarczyk, J. 1994. The structure of selected hart's tongue, Phyllitis scolopendrium (L.) Newm. populations, as related to ecological factors. Ekologia Polska 40(3): 439–460.

68. Bonalberti, C., A. Peroni & G. Peroni. 1993 (1994). Contributo alla conoscenza della flora pteridologica del lago di Tovel (Trento). Annali dei Musei Civici, Rovereto 9: 161–166. [Italian]

69. Bonnet, L. & M.–S. Gomez–Sanchez. 1994. Edaphic thecamoebians (Rhizopoda, Arcellinida) with limited geographic distribution in the Asturias region and in southwestern France. Bulletin de la Societe d'Histoire Naturelle de Toulouse 130: 7–14.

70. Bordonneau, M. & Y. Tourte. 1994. Differential expression of parental genomes during formation of embryonic organs in the early development of the fern Marsilea quadrifolia. Plant Systematics and Evolution 189(3–4): 149–164.

71. Borgström, B. 1994. Salix myrtilloides, Botrychium virginianum and Blechnum spicant in the provice of Östergötland, Sweden. Svensk Bot. Tidskr 88: 31–32. [Swedish]

72. Boudrie, M. 1994. Découverte d'Ophioglossum azoricum C. Presl en Brenne (Indre). Bull. Soc. bot. Centre–Ouest, n. s. 25: 53–54. [French]

73. Boudrie, M. 1994. Observations ptéridologiques dans la départment de l'Aude. Le Monde des Plantes 451: 1–6. [French]

74. Boudrie, M., L. Garrand & H. Rasbach. 1994. Discovery of Dryopteris X Brathaica in France (Dryopteridaceae: Pteridophyta). Fern Gazette 14(7): 237–244.

75. Boufford, D. E. 1994. The Sino–Japanese floristic region, its significance to North American plant geography. American Journal of Botany 81 Suppl. 6: 136. [Abstract]

76. Bovio, M. & G. V. Cerutti. 1993(1994). Italian floristic reports; 730. Asplenium foreziense Magnier (Aspleniaceae). Informatore Botanico Italiano 25(1): 54. [Italian]

77. Boyarina, N. 1994. Callipterid pteridosperms from the Early Permian of Ukraine. Acta Palaeontologica Polonica 39: 117–133.

78. Boyd, A. 1994. Some limitations in using leaf physiognomic data as a precise method for determining paleoclimates with an example from the Late Cretaceous Pautut Flora of West Greenland. Palaeogeography Palaeoclimatology Palaeoecology 112(3–4): 261–278.

79. Brandrud, T. E. & S. W. Johansen. 1994. Effects of acidification on macrophyte growth in the HUMEX Lake Skjervatjern, with special emphasis on Sphagnum auriculatum. Environment International 20(3): 329–342. [Isoetes lacustris]

80. Bray, J. R. & D. W. McMasters. 1994. Pteridophyte protein extraction procedures in utilizing SDS–PAGE. American Fern Journal 84: 134.

81. Bremer, P. 1994. On the ecology and population dynamics of a Dutch sporophyte population of Gymnocarpium dryopteris (Woodsiaceae: Pteridophyta). Fern Gazette 14(8): 289–298.

82. Breznovits, A. 1994. Somatic hybridization in ferns. Pp. In Y. Bajaj (Ed.). Biotechnology in Agriculture and Forestry Vol. 27. Springer Verlag,

83. Brunton, D. F., D. M. Britton & W. C. Taylor. 1994. Isoetes hyemalis, sp. nov. (Isoetaceae): A new quillwort from the southeastern United States. Castanea 59(1): 12–21.

84. Burke, D. H., L. A. Raubeson, M. Alberti, J. E. Hearst, E. T. Jordan, S. A. Kirch, A. E. C. Valinski, D. S. Conant & D. B. Stein. 1993. The ch1L (frxC)* gene: phylogenetic distribution in vascular plants and DNA sequence from Polystichum acrostichoides (Pteridophyta) and Synechococcus sp. 7002 (Cyanobacteria). Pl. Syst. Evol. 187: 89–102.

85. Burnham, R. J. 1994. A preliminary report of Miocene plant fossils from central and southern Ecuador. American Journal of Botany 81 Suppl. 6: 89. [Abstract]

86. Burni, T., T. Jabeen & Z. Mohammad. 1994. Vesicular arbuscular mycorrhizal association in Equisetum ramosissimum Desf. Scientific Khyber 7(2): 69–76.

87. Buskens, R. 1994. Rehabilitation of the Beuven: Six years of research and management. Levende Natuur 95: 211–217. [Netherlandish, Isoetes echinospora]

88. Cain, A. J. 1994. Rank and sequence in Caspar Bauhin's Pinax. Botanical Journal of the Linnean Society 114(4): 311–356.

89. Calder, J. H. 1994. The impact of climate change, tectonism and hydrology on the formation of Carboniferous tropical intermontane mires: The Springhill coalfield, Cumberland Basin, Nova Scotia. Palaeogeography Palaeoclimatology Palaeoecology 106(1–4): 323–351.

90. Calie, P. J. & J. R. Manhart. 1994. Extensive sequence divergence in the 3' inverted repeat of the chloroplast rbcL gene in non–flowering land plants and algae. Gene (Amsterdam) 146(2): 251–256. [Angiopteris evecta, Equisetum arvense, Isoetes melanopoda, Lycopodium digitatum]

91. Cambon, G. 1994. Modern pollen spectra and vegetation in southern Ontario, Canada. Review of Palaeobotany and Palynology 82(1–2): 147–155. [Lycopodium]

92. Camloh, M., N. Gogala & J. Rode. 1994. Plant regeneration from leaf explants of the fern Platycerium bifurcatum in vitro. Scientia Horticulturae (Amsterdam) 56(3): 257–266.

93. Campo, M. S., W. F. H. Jarrett, W. O'Neil & R. J. Barron. 1994. Latent papillomavirus infection in cattle. Research in Veterinary Science 56(2): 151–157.

94. Campo, M. S., B. W. O'Neil, R. J. Barron & W. F. H. Jarrett. 1994. Experimental reproduction of the papilloma–carcinoma complex of the alimentary canal in cattle. Carcinogenesis (Oxford) 15(8): 1597–1601. [Bracken]

95. Cannon, C. H., D. R. Peart, M. Leighton & K. Kartawinata. 1994. The structure of lowland rainforest after selective logging in West Kalimantan, Indonesia. Forest Ecology and Management 67(1–3): 49–68. [Gleichenia sp.]

96. Caponetti, J. D. 1994. The development of two fern propagules in sterile tissue culture when exposed to microgravity. American Journal of Botany 81 Suppl. 6: 127. [Abstract; Nephrolepis pendula, Tectaria gemmifera]

97. Carter, J. P. & C. E. Martin. 1994. The occurrence of Crassulacean acid metabolism among epiphytes in a high–rainfall region of Costa Rica. Selbyana 15(2): 104–106. [Vittaria lineata]

98. Catalan, J., L. Camarero, E. Gacia, E. Ballesteros & M. Felip. 1994. Nitrogen in the Pyrenean lakes (Spain). Hydrobiologia 274(1–3): 17–27. [Isoetes]

99. Centers For Disease Control (USA). 1994. Ostrich fern poisoning: New York and Western Canada, 1994. Morbidity and Mortality Weekly Report 43(37): 677–684.

100. Champlin, R. L. 1994. Notes on the Rhode Island flora. Rhodora 96(885): 102–103. [Thelypteris palustris, Dryopteris filix mas]

101. Chandra, S. & S. Kaur. 1994. Nomenclature of Indian ferns. Indian Fern Journal 11(1–2): 7–11.

102. Chastukhina, S. A. 1994. Wild medicinal and edible plants in the Flora of Magadan region and Chukotka. Pp. 166. In Far east branch of the Russian Academy of Sciences and American Association for the advancement of Science (Ed.). Bridges of the science between North America and the Russian Far East; 45th Arctic Science Conference, Anchorage, Alaska, USA, August 25–27, 1994 and Vladivostok, Russia, August 29–September 2, 1994 (Vol. 2). Dalnauka Publishing House, Vladivostok, Russia.

103. Cheema, H. K. 1994. Pteridophytes: Morphogenetic studies. Pp. 489–503. In B. M. Johri (Ed.). Botany in India: History and Progress. Oxford & IBH Pub. Co. Pvt. Ltd., Oxford, UK.

104. Cheema, H. K. & M. B. Sharma. 1994. Induction of multiple shoots from adventitious buds and leaf callus in Ceratopteris thalictroides. Indian Fern Journal 11(1–2): 63–67.

105. Chenou, E., J. Kuligowski & M. Ferrand. 1994. Chronological changes in the RNA and protein syntheses during Marsilea vestita embryogenesis. Acta Botanica Gallica 141: 297–308. [French]

106. Cherrill, A. J. & A. M. Lane. 1994. Bracken (Pteridium aquilinum (L.) Kuhn) infestation of rough grazing land in the catchment of the River Tyne, northern England. Watsonia 20(2): 105–114.

107. Chiou, W. L. & D. R. Farrar. 1994. Separating spores from sporangia. Fiddlehead Forum 21(2): 22.

108. Christiansen, S. G. 1994. De "skarpfinnede" Mangel_v–arter (Dryopteris spinulosa -– komplekset). URT 18.årgang(2): 53–58. [Danish]

109. Chu, W.–M. 1994. Some pteridophytes new to Hainan and China. Acta Botanica Yunnanica 16: 123–130. [Chinese]

110. Cilliers, C. J. 1994. Weed control with insects: A matter of fitness. Pp. 297–306. In H. G. Hewitt et. al. (Eds.). British Crop Protection Council Monograph, No. 59. Comparing glasshouse and field pesticide performance, II; International Symposium, Canterbury, England, UK, April 12–14, 1994. British Crop Protection Council(BCPC), Farnham, England, UK. [Salvinia molesta]

111. Coates, M. & J. Ferris. 1994. The radiatively driven natural convection beneath a floating plant layer. Limnology and Oceanography 39(5): 1186–1194. [Azolla]

112. Coles, G. M. & D. D. Gilbertson. 1994. The airfall–pollen budget of archaeologically important caves: Creswell, Crags, England. Journal of Archaeological Science 21(6): 735–755.

113. Coll, J., N. Reixach, F. Sanchez–Baeza, J. Casas & F. Camps. 1994. New ecdysteroids from Polypodium vulgare. Tetrahedron 50(24): 7247–7252.

114. Colling, G., T. Helminger & L. Reichling. 1994. Floristic notes 1990–1993. Bulletin de la Societe des Naturalistes Luxembourgeois 119–134. [French; Trichomanes speciosum]

115. Collinson, M. E., A. R. Hemsley & W. A. Taylor. 1993(1994). Sporopollenin exhibiting colloidal organization in spore walls. Grana (Suppl. 1): 31–39. [Selaginella]

116. Colville, B. 1994. Vertigo angustior Jeffreys, 1830 living in Scotland. Journal of Conchology 35: 89. [Bracken]

117. Conant, D. S., D. B. Stein, L. A. Raubeson & D. K. Attwood. 1994. Chloroplast DNA restriction site variation in the Cyatheaceae: The relationship of Papuasian species to those in the New World. American Journal of Botany 81 Suppl. 6: 119–120. [Abstract]

118. Conant, D. S., D. B. Stein, A. E. C. Valinski, P. Sudarsanam & M. E. Ahearn. 1994. Phylogenetic Implications of Chloroplast DNA Variation in the Cyatheaceae. I. Systematic Botany 19(1): 60–72.

119. Cooke, R. J. & K. J. Kirby. 1994. The use of a new woodland classification in surveys for nature conservation purposes in England and Wales. Arboricultural Journal 18(2): 167–186. [Pteridium aquilinum]

120. Cooke, T. J. 1994. The use of Ceratopteris richardii in photomorphogenetic research: A critical review of fern gametophyte photobiology. American Journal of Botany 81 Suppl. 6: 124. [Abstract]

121. Cooper, A. B. 1994. Coupling wetland treatment to land treatment: An innovative method for nitrogen stripping? Water Science and Technology 29(4): 141–149. [Azolla filiculoides]

122. Coquel, R. & R. Rodriguez. 1994. Palynology of the Picos de Europa and Puentelles Formations in the Picos de Europa area (Upper Carboniferous, northwestern Spain). Review of Palaeobotany and Palynology 80(1–2): 65–74.

123. Crane, E. H., D. R. Farrar & J. F. Wendel. 1994. Phylogeny of the Vittariaceae: convergent simplication leads to polyphyletic Vittaria. American Journal of Botany 81 Suppl. 6: 120. [Abstract]

124. Crawford, R. M. M., H. M. Chapman & H. Hodge. 1994. Anoxia tolerance in high arctic vegetation. Arctic and Alpine Research 26(3): 308–312. [Lycopodium selago, Equisetum arvense]

125. Crowley, G. M., J. Grindrod & A. P. Kershaw. 1994. Modern pollen deposition in the tropical lowlands of northeast Queensland, Australia. Review of Palaeobotany and Palynology 83: 299–327.

126. Crowley, S. S., D. A. Dufek, R. W. Stanton & T. A. Ryer. 1994. The effects of volcanic ash disturbances on a peat–forming environment: Environmental disruption and taphonomic consequences. Palaios 9(2): 158–174.

127. Cubas, P. & A. Sleep. 1994. Asplenium x sarniense (Aspleniaceae, Pteridophyta) from Guernsey (Channel Islands, U.K.): A cytological enigma? Fern Gazette 14(8): 269–288.

128. Culwell, D. E. 1994. Large population of Pilularia americana A Br in Arkansas. American Fern Journal 84: 133.

129. Czier, Z. 1994. On a new record of Selenocarpus muensterianus (Presl) Schenk from the fireclay formation of suncuius (Romania) and the lower liassic age of the flora. Review of Palaeobotany and Palynology 82(3–4): 351–363.

130. Das, D., K. Sikdar & A. K. Chatterjee. 1994. Potential of Azolla pinnata as biogas generator and as a fish–feed. Indian Journal of Environmental Health 36(3): 186–191.

131. De Britto, A. J. & V. S. Manickam. 1994. Phytochemical studies on members of Thelypteridaceae of Western Ghats of South India. Indian Fern Journal 11(1–2): 116–123.

132. De Britto, A. J., V. S. Manickam & S. Gopalakrishnan. 1994. Venation patterns in Thelypteroid ferns of the Western Ghats of Southern India. Indian Fern Journal 11(1–2): 124–129.

133. De Britto, A. J., V. S. Manickam & S. Gopalakrishnan. 1994. Ecology of the Thelypteroid ferns of the Western Ghats of South India. Indian Fern Journal 11(1–2): 130–136.

134. De Britto, A. J., V. S. Manickam & S. Gopalakrishnan. 1994 (1995). Chemotaxonomical studies on thelypteroid ferns of the Western Ghats of South India. Journal of Economic and Taxonomic Botany 18(3): 639–644.

135. De Britto, A. J., V. S. Manickam & S. Gopalakrishnan. 1994. Preliminary phytochemical screening of the Thelypteroid ferns of the Western Ghats of South India. Acta Botanica Indica 22: 276–278.

136. De Britto, A. J., V. S. Manickam & S. Gopalakrishnan. 1994. High performance liquid chromatographic studies on the species of Thelypteridaceae of the Western Ghats of South India. Acta Botanica Indica 22: 161–163.

137. DeCamp, J. D., D. A. Stetler & A. E. DeMaggio. 1994. Expression of sporophytic storage proteins in the corm of the quillwort (Isoetes echinospora Dur.). Plant Physiol. 106: 1395–1402.

138. Deil, U. 1994. Classification with supraspecific taxa and symphylogenetic approaches in phytosociology. Phytocoenologia 24: 677–694. [German; Adiantetea]

139. Del Fueyo, G. M., T. N. Taylor & N. R. Cuneo. 1994. Triassic seed fern cupules from Antarctica. Antarctic journal of the United States 295.

140. Delettre, Y. R. 1994. Fire disturbance of a chironomid (Diptera) community on heathlands. Journal of Applied Ecology 31(3): 560–570. [Pteridium aquilinum]

141. Deng, Y., J. Li, H. Hua, B. Yang & P. Fu. 1994. Approach to some problems in the present research on the exploitation and utilization of plant resources in China. Journal of Plant Resources and Environment 3(1): 56–69. [Chinese; Lycopodium]

142. Denton, M. F. 1994. Elva Lawton (1896–1993): Bryologist and teacher. Bulletin of the Torrey Botanical Club 121(1): 84–86.

143. Devi, S., P. Garg & J. Singh. 1993(1994). Plastid–mitochondrial associations induced by cadmium treatment in Salvinia molesta Mitchell. Phytomorphology 43(3–4): 195–199.

144. Devi, S., V. K. Lall, P. Garg, A. Saxena & M. Tiwari. 1994. An improved method for rapid fixation and embedding of pteridophyte plant materials. Biotechnic & Histochemistry 69: 99–101. [Marsilea minuta, Pteris vittata, Salvinia molesta]

145. Dickson, C. A. & W. Parkes. 1994. Ten years of population counts of orchids at Dumbrock Loch Meadows, Stirlingshire and problems of management. Glasgow Naturalist 22(4): 349–360. [Pteridium aquilinum]

146. DiMichele, W. A. & T. L. Phillips. 1994. Paleobotanical and paleoecological constraints on models of peat formation in the Late Carboniferous of Euramerica. Palaeogeography Palaeoclimatology Palaeoecology 106(1–4): 39–90.

147. Dixit, R. D. & S. Das. 1994. Two species of Loxogramme BL Presl new to India. Indian Fern Journal 11(1–2): 27–30.

148. Dixit, R. D. & S. Das. 1994. Loxogramme mussooriana Dixit et Das: A new species of fern from India. Indian Fern Journal 11(1–2): 60–62.

149. Dohino, T. & K. Tanabe. 1994. Effects of electron beam irradiation on cut flowers and mites. Food Irradiation Japan 29(1–2): 21–27. [Japanese; Leather–leaf fern]

150. Dolan, R. W. 1994. The Clute holotypes and the pteridophyte herbarium of Willard Nelson Clute in the Friesner Herbarium of Butler University (BUT). American Fern Journal 84(2): 71–72.

151. Dolling, A., O. Zackrisson & M. C. Nilsson. 1994. Seasonal variation in phytotoxicity of bracken (Pteridium aquilinum L Kuhn). Journal of Chemical Ecology 20: 3163–3172.

152. Donelan, M. & K. Corey. 1994. Role of light intensity in the development of ostrich fern. Hortscience 29(5): 442. [Abstract]

153. Dorr, L. J. 1994. The vascular plant collections of R. S. Williams from Bolivia and Peru (1901–1902): Addenda et corrigenda. Brittonia 46(1): 62–65.

154. Drinnan, A. N. & P. R. Crane. 1994. A synopsis of medullosan pollen organs from the middle Pennsylvanian Mazon Creek flora of northeastern Illinois, USA. Review of Palaeobotany and Palynology 80(3–4): 235–257.

155. Duckett, J. G., A. J. Russell & R. Ligrone. 1994. Trichomes in the Hymenophyllaceae. American Journal of Botany 81 Suppl. 6: 128. [Abstract]

156. Duff, R. J. & E. E. Schilling. 1994. Chloroplast DNA restriction site variation and evidence of structural rearrangements in Isoetes. American Journal of Botany 81 Suppl. 6: 128. [Abstract]

157. Duffy, S. & S. L. Simon. 1994. 137Cs in medicinal plants of the Republic of the Marshall Islands. Health Physics 66(6 Suppl.): S46. [Abstract; Polypodium scolopendra]

158. Duncan, J. E. 1994. Botanical reports for 1991 flowering plants and ferns. Naturalist (Doncaster) 119(1008): 39–43.

159. Duthie, L. 1994. Ferns at the Norcross Wildlife Sanctuary. Fiddlehead Forum 21(3): 34–35. [Monson, Massachusetts USA]

160. Dyer, A. F. 1994. Natural soil spore banks: Can they be used to retrieve lost ferns? Biodiversity and Conservation 3(2): 160–175.

161. Dzwonko, Z. & J. Kornas. 1994. Patterns of species richness and distribution of pteridophytes in Rwanda (Central Africa): a numerical approach. Journal of Biogreography 21: 491–501.

162. Eberle, J., M. Hasabe, C. Linkel, J. Nemacheck, C. Wen & J. A. Banks. 1994. Sex determining genes in the homosporous fern Ceratopteris. American Journal of Botany 81 Suppl. 6: 124–125. [Abstract]

163. Eble, C. F., J. C. Hower & W. M. J. Andrews. 1994. Paleoecology of the Fire Clay coal bed in a portion of the eastern Kentucky coal field. Palaeogeography Palaeoclimatology Palaeoecology 106(1–4): 287–305.

164. Edwards, D., U. Fanning & J. B. Richardson. 1994. Lower Devonian coalified sporangia from Shropshire: Salopella Edwards and Richardson and Tortilicaulis Edwards. Botanical Journal of the Linnean Society 116: 89–110.

165. Edwards, E. S. & S. J. Roux. 1994. Characterization of an oriented gravity response in the fern Ceratopteris. Plant Physiology (Rockville) 105 Suppl: 104. [Abstract]

166. Edwards, E. S. & S. J. Roux. 1994. Limited period of graviresponsiveness in germinating spores of Ceratopteris richardii. Planta (Heidelberg) 195(1): 150–152.

167. El–Mofty, M. M., S. A. Sakr, A. M. Rizk & E. A. Moussa. 1994. Induction of breast and lung neoplastic lesions in mice by alpha–ecdysone. Oncology Reports 1(2): 435–438. [Pteris aquilina]

168. Ellison, J. C. 1994. Palaeo–lake and swamp stratigraphic records of holocene vegetation and sea–level changes, Mangaia, Cook Islands. Pacific Science 48(1): 1–15. [Dicranopteris]

169. Emons, A. M. C. & H. Kieft. 1994. Winding threads around plant cells: Applications of the geometrical model for microfibril deposition. Protoplasma 180(1–2): 59–69. [Equisetum hyemale]

170. Eriksson, G. & K. Kallstrom. 1994. The moonwort Botrychium simplex in Dalarna. Svensk Botanisk Tidskrift 88(1): 48. [Swedish]

171. Eriksson, G. & K. Källström. 1994. Dvärglåsbräken, Botrychium simplex, i Dalarna. Projekt Jämtlands flora anordnar (8–11 juli) [Swedish]

172. Erwin, D. M., H. W. Pfefferkorn & V. Alleman. 1994. Early seed plants in the Southern Hemisphere: I. Associated ovulate and microsporangiate organs from the Carboniferous of Peru. Review of Palaeobotany and Palynology 80(1–2): 19–38.

173. Escudero, A. & S. Pajarón. 1994. Numerical syntasonomy of the Asplenietalia petrarchae in the Iberian Peninsula. Journal of Vegetation Science 5: 205–214.

174. Estrelles, E., J. Iranzo, J. Martínez–Solís & M. V. Ibáñez. 1994. Sobre la presencia de estomas en la cara adaxial de las hojas en las vainas de Equisetum hippochaete Milde. Studia Botanica 13: 207–210. [Spanish]

175. Faden, R. B. 1994. Pteridophytes. Pp. 9–39. In A. D. Q. Agnew &. S. Agnew (Eds.). Upland Kenya Wild Flowers, 2nd Edition. East Africa Natural History Society, Nairobi.

176. Fangan, B. M., B. Stedje, O. E. Stabbetorp, E. S. Jensen & K. S. Jakobsen. 1994. A general approach for PCR–amplification and sequencing of chloroplast DNA from crude vascular plant and algal tissue. Biotechniques 16(3): 484–494. [Psilotaceae, Marsileaceae]

177. Farrar, D. R. & P. G. Davison. 1994. Hymenophyllum tayloriae: Sporophyte and gametophyte together again after 58 years. American Journal of Botany 81 Suppl. 6: 128. [Abstract]

178. Fasciati, R., J. Schneller, V. Jenni & U. P. Roos. 1994. Fertilization in the fern Athyrium filix–femina. II. Ultrastructure. Cryptogamic Botany 4(4): 356–367.

179. Fasciati, R., J. Schneller & U. P. Roos. 1994. Fertilization in the fern Athyrium filix–femina (Pterophyta): I. Live observations. Cryptogamic Botany 4(4): 329–335.

180. Fensome, R. & J. E. Skog. 1994. A new and invigorating liberal spirit permeates botanical nomenclature; is anarchy waiting in the wings? Palynos 17(2): 9–10. [and IOP Newsletter 53: 7–8]

181. Ferguson, D. E. & D. L. Adams. 1994. Effects of pocket gophers, bracken fern, and western coneflower on survival and growth of planted conifers. Northwest Science 68(4): 241–249.

182. Fernandez Casas, F. J., R. Gamarra & M. J. Morales. 1994. Asientos para un atlas corologica del al flora occiental, 22. Fontqueria 40: 101–232. [Spanish]

183. Fernandez Casas, F. J., R. Gamarra & M. J. Morales. 1994. Asientos para un atlas corologico de la flora occiental, 21. Fontqueria 39: 281–394. [Spanish]

184. Fields, P. F. 1994. Contributions to the middle Miocene Succor Creek flora of Idaho and Oregon: Summary of over 30 taxa new to the flora, including 17 that are new to science. American Journal of Botany 81 Suppl. 6: 92. [Abstract]

185. Flores–Palacios, A. & M. Palacios–Rios. 1994. The pteridophytes of Isla Socorro, Archipelago of Revillagigedo, Mexico. Reunion Internacional de Investigadores del Archipelago de Revillagigedo. Manzanillo, Colima, Mexico Noviembre 23–28: [Abstract; Spanish]

186. Fox, B. J., D. G. Read, E. Jefferys & J. Luo. 1994. Diet of the Hastings River Mouse (Pseudomys oralis). Wildlife Research 21(5): 491–505. [Fern sporangia]

187. Fransson, S. 1994. On Olof Swartz's journey in Varmland in 1789 and his finds there. Svensk Botanisk Tidskrift 88(3): 189–191. [Swedish; Asplenium viride]

188. Fraser–Jenkins, C. R. 1994. Dryopteris (Pteridophyta) of Hawai'i: A monographic study. Thaiszia 4(1): 15–47.

189. Frey, W., E. O. Campbell & H. H. Hilger. 1994. Structure of the sporophyte–gametophyte junction in Tmesipteris elongata P.A. Dangeard (Psilotaceae, Psilotopsida) and its phylogenetic implications: A SEM analysis. Nova Hedwigia 59(1–2): 21–32.

190. Fujimoto, Y., C. Murasaki, T. Eguchi, K. Kakinuma & C. P. Dutta. 1994. Formation of 9,25–cyclofernane by reductive homoallylic cyclization of fern–9(11)–en–25–ol mesylate. Chemical & Pharmaceutical Bulletin (Tokyo) 42(6): 1334–1335. [Adiantum venustum]

191. Gacia, E. & E. Ballesteros. 1994. Production of Isoetes lacustris in a Pyrenean lake: seasonality and ecological factors involved in the growing period. Aquatic Botany 48: 77–89.

192. Gacia, E., E. Ballestros, L. Camarero, O. Delgado, A. Palau, J. L. Riera & J. Catalan. 1994. Macrophytes from lakes in the eastern Pyrenees: Community composition and ordination in relation to environmental factors. Freshwater Biology 32(1): 73–81. [Quillwort]

193. Gaddis, I. E. 1994. Ferning around the world in 34 acres. Hardy Fern Foundation Newsletter 4(3): 3–11. [Botanical Garden, University of California, Berkeley, CA USA]

194. Galan De Mera, A. 1994. De plantis gaditanis, notula II. Studia Botanica 12: 275–277. [Spanish; Cheilanthes tinaei]

195. Galtier, J. & T. N. Taylor. 1994. The first record of ferns from the Permian of Antarctica. Review of Palaeobotany and Palynology 83(1–3): 227–239.

196. Garg, P. & S. Devi. 1994. Ultrastructural changes due to cadmium toxicity in some fern gametophytes. Indian Fern Journal 11(1–2): 1–6.

197. Garg, P., V. Viswanathan & J. Singh. 1994. Cadmium–induced variations in phenolics, polyphenol oxidase and peroxidases in Marsilea minuta Linn. Journal of Environmental Science and Health Part A Environmental Science and Engineering 29(7): 1323–1333.

198. Garten, C. T. J. & H. Van Miegroet. 1994. Relationships between soil nitrogen dynamics and natural 15N abundance in plant foliage from Great Smoky Mountains National Park. Canadian Journal of Forest Research 24: 1636–1645.

199. Gastony, G. J. 1994. Phylogenetic relationships among genera of cheilanthoid ferns (Pteridaceae: Cheilanthoideae) inferred from gene sequence data. American Journal of Botany 81 Suppl. 6: 120. [Abstract]

200. Gaur, J. P., N. Noraho & Y. S. Chauhan. 1994. Relationship between heavy metal accumulation and toxicity in Spirodela polyrhiza (L.) Schleid. and Azolla pinnata R. Br. Aquatic Botany 49: 183–192.

201. Gaur, R. D. & B. P. Bhatt. 1994. Folk utilization of some pteridophytes of Deoprayag area in Garhwal Himalaya: India. Economic Botany 48(2): 146–151.

202. Gibby, M. & A. M. Paul. 1994. Pteridophyta. Pp. In J. R. Press & M. J. Short (Eds.). Flora of Madeira. HMSO, London.

203. Giese, M., U. Bauer–Doranth, C. Langebartels & H. J. Sandermann. 1994. Detoxification of formaldehyde by the spider plant (Chlorophytum comosum L.) and by soybean (Glycine max L.) cell–suspension cultures. Plant Physiology (Rockville) 104(4): 1301–1309. [Equisetum telmateia]

204. Gilliam, F. S., N. L. Turrill, S. D. Aulick, D. K. Evans & M. B. Adams. 1994. Herbaceous layer and soil response to experimental acidification in a central Appalachian hardwood forest. Journal of Environmental Quality 23(4): 835–844.

205. Gilman, A. V. 1994. A new tri–hybrid lycopod, Diphasiastrum digitatum x sabinifolium. Rhodora 96(887): 287–293.

206. Gimingham, C. H. 1994. Lowland heaths of West Europe: Management for conservation. Phytocoenologia 24(0): 615–626. [Pteridium aquilinum]

207. Given, D. R. & W. Harris. 1994. Techniques and methods of ethnobotany. Pp. In Principles and practice of plant conservation. IUCN/WWF/Timber Press, Chapman and Hall, Commonwealth Secretariat.

208. Goltz, J. P. & D. M. Britton. 1994. Rare quillworts in New Brunswick. New Brunswick Museum (St. John, New Brunswick, Canada) Chickadee Notes 20: 1–4.

209. Goncz, A. M. & L. Sencic. 1994. Metolachlor and 2,4–dichlorophenoxyacetic acid sensitivity of Salvinia natans. Bulletin of Environmental Contamination and Toxicology 53: 852–855.

210. Gonzalez, S., P. C. Joshi & M. A. Pathak. 1994. Polypodium leucotomos extract as an antioxidant agent in the therapy of skin disorders. Journal of Investigative Dermatology 102(4): 651. [Abstract]

211. Gopalakrishnan, V., C. Manickavasagan & R. Pitchaimuthu. 1994. Morphological variations of Selaginella P. Beauv. Indian Fern Journal 11(1–2): 153–156.

212. Gostynska–Jakuszewska, M. & A. Lekavicius. 1994. Selected boreal and subboreal species of vascular plants in the flora of Poland and Lithuania. Part II. Fragmenta Floristica et Geobotanica 39(1): 255–276.

213. Goswami, H. K. 1994. Highly conserved DNA sequences in Isoetes pantii. Indian Fern Journal 11: 53–55.

214. Gottlieb, J. E. E. 1994. Directory of fern gardens, nurseries and reserves in the United States. Hardy Fern Foundation Newsletter 4(1): 1–8.

215. Grant, T. A., P. Henson & J. A. Cooper. 1994. Feeding ecology of trumpeter swans breeding in south central Alaska. Journal of Wildlife Management 58(4): 774–780. [Equisetum fluviatile, Equisetum arvense]

216. Grases, F., G. Melero, A. Costa Bauza, R. Prieto & J. G. March. 1994. Urolithiasis and phytotherapy. International Urology and Nephrology 26: 507–511. [Equisetum arvense]

217. Greenwood, D. R. & J. F. Basinger. 1994. The paleoecology of high–latitude Eocene swamp forests from Axel Heiberg Island, Canadian High Arctic. Review of Palaeobotany and Palynology 81(1): 83–97.

218. Greer, G. K. 1994. Ecology of a pteridophyte community in southeastern Ohio. American Journal of Botany 81 Suppl. 6: 129. [Abstract]

219. Griffart–Brunet, D. & N. Langlois. 1994. A short diastereoselective synthesis of the natural (2R,3R,4R)–2–hydroxymethyl–3,4–dihydroxypyrrolidine. Tetrahedron Letters 35(18): 2889–2890. [Arachniodes standishii]

220. Grill, R. 1994. Calcium requirement in blue–light–promoted and red–light–inhibited antheridiogenesis in the fern Anemia phyllitidis (L.) Sw. Journal of Plant Physiology 145(3): 285–290.

221. Grounds, R. 1994. Ferns in New Zealand. Pteridologist 2(5): 214–219.

222. Gubanov, I. A., S. A. Balandin, D. A. Petelin, V. N. Pavlov, T. V. Bagdasarova, T. P. Balandina & N. K. Shvedchikova. 1994. Collections of the Moscow University Herbarium (MW): Pteridophytes and gymnosperms. Byulleten' Moskovskogo Obshchestva Ispytatelei Prirody Otdel Biologicheskii 99(5): 96–104.

223. Guiles, C. W. 1994. Caveat emptor! (On purchasing ferns at garden centers). Hardy Fern Foundation Newsletter 4(3–4): 2–3.

224. Guiles, C. W. 1994. The contest and a contest: Ferns at the wild gardens of Acadia, Acadia National Park, and a brief history of the park and the gardens. Hardy Fern Foundation Newsletter 4(2): 4–9. [Maine, USA]

225. Guo, Y. T. & B. L. Tian. 1994. Anatomical characteristics of the stem of Sigillaria cf brardii from coal balls in Guizhou Province, China. Acta Botanica Sinica 36: 898–900. [Chinese]

226. Gupta, M. & S. Devi. 1993(1994). Morphological aspects of the effect of cadmium on life cycle of Christella parasitica (L.) Tardieu. Phytomorphology 43(3–4): 239–250.

227. Gupta, M. & S. Devi. 1994. Chronic toxicity of cadmium in Pteris vittata, a roadside fern. Ecotoxicology 3(4): 235–247.

228. Gutierrez, P. R. 1994. Fructifications associated with Fedekurtzia Archangelski in the carboniferous of La Rioja Province, Argentina. Ameghiniana 31(3): 239–248. [Spanish]

229. Gutierrez, P. R. & O. G. Arrondo. 1994. Review of the Palaeozoic lycophytes of Argentina: 1. Archaeosigillaria Kidston and Frenguellia Arrondo, Cesare and Gutierrez. Ameghiniana 31(4): 381–393. [Spanish]

230. Haerdtle, W. 1994. Beech forests growing on fertile gleysols in Schleswig– Holstein. Drosera 94(1–2): 111–124. [German]

231. Hainsworth, P. 1994. How do your sporelings grow? Pteridologist 2(5): 194–197.

232. Hamilton, R. G. 1994. The effects of pH, nutrient level, density and temperature on size and gender expression of fern gametophytes. American Journal of Botany 81 Suppl. 6: 129. [Abstract; Diplazium pycnocarpon, Deparia acrostichoides]

233. Hamilton, R. G. & J. S. Pryor. 1994. Size hierarchies in natural populations of Polypodium polypodioides. American Fern Journal 84(2): 41–47.

234. Hammen, S. C. L. 1993 (1994). Density–dependent phenotypic variation in the hay–scented fern, Dennstaedtia punctilobula. Bulletin of the Torrey Botanical Club 120(4): 392–396.

235. Hanania, U. & A. Zilberstein. 1994. Ribulose–1,5–Bisphosphate Carboxylase–Oxygenase Small Subunit Gene from the Fern Pteris vittata. Plant Physiology (Rockville) 106(4): 1685–1686.

236. Hance, T., D. Nibelle, P. Lebrun, G. Van Impe & C. Van Hove. 1994. Selection of Azolla forms resistant to the water lily aphid, Rhopalosiphum nymphaeae: Life history of Rhopalosiphum nymphaeae. Entomologia Experimentalis et Applicata 70(1): 11–17.

237. Hannibal, J. T. 1994. Methods for distinguishing carbonized specimens of the presumed cephalopod Aptychus Sidetes (Spathiocaris) from the plant Protosalvinia (Foerstia). Journal of Paleontology 68(3): 671–673.

238. Harrison, C. C. & L. U. Yun. 1994. In vivo and in vitro studies of polymer controlled silicification. Bulletin de l'Institut Oceanographique (Monaco) Spec. Issue 14 Part 1: 151–158. [Equisetum telmateia]

239. Harsh, R. & B. D. Sharma. 1994. Pteridophytes of Rajasthan––phytochemistry of Azolla pinnata Brown. Indian Fern Journal 11: 150–152.

240. Hasebe, M., T. Omori, M. Nakazawa, T. Sano, M. Kato & K. Iwatsuki. 1994. rbcL Gene sequences provide evidence for the evolutionary lineages of leptosporangiate ferns. Proceedings of the National Academy of Sciences of the United States of America 91(12): 5730–5734.

241. Hasebe, M., et al. 1994. A global analysis of fern phylogeny based on rbcL nucleotide sequences. American Journal of Botany 81 Suppl. 6: 120. [Abstract]

242. Haufler, C. H. & T. A. Ranker. 1994. rbcL provies phylogenetic insights among sister species of the Polypodium vulgare complex. American Journal of Botany 81 Suppl. 6: 121.

243. Haufler, C. H. & C. B. Welling. 1994. Antheridiogen, dark spore germination, and outcrossing mechanisms in Bommeria (Adiantaceae). American Journal of Botany 81(5): 616–621.

244. Hauk, W. D. 1994. A molecular assessment of cryptic speciation in Botrychium subgenus Botrychium. American Journal of Botany 81 Suppl. 6: 121. [Abstract]

245. Haupt, W. & D. P. Haeder. 1994. Photomovement. Pp. 707–732. In R. E. Kendrick & G. H. M. Kronenberg (Eds.). Photomorphogenesis in plants, 2nd edition. Kluwer Academic Publishers, Dordrecht, Netherlands; Norwell, Massachusetts, USA. [Adiantum capillus–veneris]

246. Hayashi, I. 1994. Experimental community ecology in Miscanthus sinensis grassland: Change of species composition according to mowing frequency. Japanese Journal of Ecology 44: 161–170. [Japanese; Pteridium aquilinum var. latiusculum]

247. He, C. X. & J. R. Tao. 1994. Paleoclimatic analysis of paleogene flora in Yilan County, Heilongjiang. Acta Botanica Sinica 36: 952–956. [Chinese]

248. Heggie, M. & E. L. Zodrow. 1994. Fractal lobatopterid frond (Upper Carboniferous Maratattialean tree fern). Palaeontographica Abteilung B Palaeophytologie 232(1–6): 35–57.

249. Hemsley, A. R., P. J. Barrie, W. G. Chaloner & A. C. Scott. 1993(1994). The composition of sporopollenin and its use in living and fossil plant systematics. Grana (Suppl. 1): 2–11.

250. Hemsley, A. R., G. Clayton & J. Galtier. 1994. Further studies on a late Tournaisian (Lower Carboniferous) flora from Loch Humphrey Burn, Scotland: Spore taxonomy and ultrastructure. Review of Palaeobotany and Palynology 81(2–4): 213–231.

251. Hemsley, A. R., M. E. Collinson, W. L. Kovach, B. Vincent & T. Williams. 1994. The role of self–assembly in biological systems: Evidence from iridescent colloidal sporopollenin in Selaginella megaspore walls. Philosophical Transactions of the Royal Society of London B Biological Sciences 345(1312): 163–173.

252. Hernandez, H., V. Palacios–Rios & M. Palacios–Rios. 1993. Estudio pteridologico del municipio de Banderilla, Veracruz, Mexico. XII Congreso Mexicano de Botanica, Merida, Yucatan Octubre 3–8. [Abstract; Spanish]

253. Herrero–Borgoñón, J. J., A. M. Ibars, J. Iranzo & A. E. Salvo. 1994. Estado de conservación de la pteridoflora valenciana. Studia Botanica 13: 215–218. [Spanish]

254. Heusser, C. J. & Y. Igarashi. 1994. Quaternary migration pattern of Selaginella selaginoides in the North Pacific. Arctic and Alpine Research 26(2): 187–192.

255. Hickey, J. E. 1994. A floristic comparison of vascular species in Tasmanian oldgrowth mixed forest with regeneration resulting from logging and wildfire. Australian Journal of Botany 42(4): 383–404.

256. Hickey, R. J. 1994. The genus Isoetes in Peru, with notes on a unique form of heterospory. American Journal of Botany 81 Suppl. 6: 129. [Abstract]

257. Hickok, L. G. 1994. The biology of Ceratopteris and its use as a model plant system. American Journal of Botany 81 Suppl. 6: 125. [Abstract]

258. Hiesel, R., B. Combettes & A. Brennicke. 1994. Evidence for RNA editing in mitochondria of all major groups of land plants except the Bryophyta. Proceedings of the National Academy of Sciences of the United States of America 91(2): 629–633.

259. Hoffman, G. L. & R. A. Stockey. 1994. Sporophytes, megaspores, and massulae of Azolla stanleyi from the Paleocene Joffre Bridge locality, Alberta. Canadian Journal of Botany 72(3): 301–308.

260. Hoffman, J. C. & K. C. Vaugh. 1994. Acetylated and non–acetylated microtubule arrays in spermatogenous cells of Ceratopteris richardii. Plant Physiology (Rockville) 105(1 Suppl.): 59. [Abstract]

261. Hoffman, J. C., K. C. Vaughn & H. C. Joshi. 1994. Structural and immunocytochemical characterization of microtubule organizing centers in pteridophyte spermatogenous cells. Protoplasma 179(1–2): 46–60.

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282. Ivanov, D. A. 1994. Spores and pollen found in Miocene sediments from North–West Bulgaria. I. Spores and gymnosperm pollen. Fitologija 47: 29–39.

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292. Jiang, J. & R. Zhou. 1994. Studies on a new flavonone from Matteuccia orientalis. Journal of China Pharm. University 25(4): 199.

293. Jiang, J. & R. Zhou. 1994. Studies of the chemical constituent of Matteuccia intermedia. Journal of China Pharm. University 25(5): 265.

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299. Kagawa, T. & M. Wada. 1994. Brief Irradiation with Red or Blue Light Induces Orientational Movement of Chloroplasts in Dark–Adapted Prothallial Cells of the Fern Adiantum. Journal of Plant Research 107(1088): 389–398.

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303. Kannaiyan, S., K. K. Rao & D. O. Hall. 1994. Immobilization of Anabaena azollae from Azolla filiculoides in polyvinyl foam for ammonia production in a photobioreactor system. World Journal of Microbiology & Biotechnology 10(1): 55–58.

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323. Krishnamoorthy, K., G. Rajendran & K. N. Panicker. 1994. Aquatic vegetation and their natural hospitability to the immatures of Mansonia mosquitos, the vectors of Brugia malayi in Shertallai, Kerala, India. Southeast Asian Journal of Tropical Medicine and Public Health 25(4): 760–765.

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330. Kushida, T., M. Uesugi, Y. Sugiura, H. Kigoshi, H. Tanaka, J. Hirokawa, M. Ojika & K. Yamada. 1994. DNA damage by ptaquiloside, a potent bracken carcinogen: Detection of selective strand breaks and identification of DNA cleavage products. Journal of the American Chemical Society 116(2): 479–486.

331. Kweon, J. H., Y. J. Ahn, H. W. Kwon, K. S. Jang & K. Y. Cho. 1994. Larvicidal and antifeeding activities of Oriental medicinal plant extracts against Plutella xylostella (Lepidoptera: Yponomeutidae) and Spodoptera litura (Lepidoptera: Noctuidae). Korean Journal of Applied Entomology 33: 225–229. [Equisetum hyemale]

332. Lacey, M. E. & H. A. McCartney. 1994. Measurement of airborne concentrations of spores of bracken (Pteridium aquilinum). Grana 33(2): 91–93.

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340. Leena, K. R. & P. V. Madhusoodanan. 1994. Taxonomy of Thelypteroid ferns of South India. Acta Botanica Indica 22: 31–36.

341. Leena, K. R. & P. V. Madhusoodanan. 1994. Spore germination and gametophyte development in Pronephrium articulatum (Houlst & Moore) Holttum (Thelypteridaceae–Pteridophyta). Journal of Indian Botanical Society 73: 95–99.

342. Lellinger, D. B. 1994. Trichomanes rigidum versus Trichomanes cupressoides. American Fern Journal 84: 4.

343. Lellinger, D. B. 1994. Trichomanes polypodioides and its allies. American Fern Journal 84: 4.

344. Lellinger, D. B. 1994. Hymenophyllaceae. In A. R. A. Gorts-van-Rijn (Ed.). Flora of the Guianas Ser. B. Fasc. 3: 1–66.

345. Lemke, D. E. 1994. New collection records for the aquatic macrophytes Ceratopteris thalictroides (Parkeriaceae) and Limnophila sessiliflora (Scrophulariaceae) in Texas. SIDA Contributions to Botany 16: 379–381.

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348. Leszczynska, M. 1994. New locality of Isoetes echinospora (Isoetaceae) in Poland. Fragmenta Floristica et Geobotanica Series Polonica 1: 348–350.

349. Leuthold, B. 1994. Changes in vegetation and site conditions in wet meadows after a flood. Veroeffentlichungen des Geobotanischen Institutes der Eidgenoessische Technische Hochschule Stiftung Ruebel in Zuerich 1–83. [German; Equisetum palustre]

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351. Ligrone, R. & J. G. Duckett. 1994. Plastid–dividing rings in pteridophytes. American Journal of Botany 81 Suppl. 6: 130.

352. Lin, R. C., A.–L. Skaltsounis, E. Seguin, F. Tillequin & M. Koch. 1994. Phenolic constituents of Selaginella doederleinii. Planta Medica 60(2): 168–170.

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358. Liu, J. S. & M. F. Huang. 1994. The alkaloids huperzines C and D and huperzinine from Lycopodiastrum casuarinoides. Phytochemistry 37: 1759–1761.

359. Liu, S., Z. Xiao & R. Feng. 1994. A flavanol glycoside from Drynaria propinqua. Phytochemistry (Oxford) 35(6): 1595–1596.

360. Lloyd, R. M. & M. L. Davis. 1994. Spore germination and isozyme patterns in the apomictic fern Cyrtomium falcatum. Botanical Journal of the Linnean Society 115(1): 1–8.

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371. Madhusoodanan, P. V. & K. R. Leena. 1994. Spore morphology of south Indian Thelypteroid ferns. Indian Fern Journal 11(1–2): 73–82.

372. Madhusoodanan, P. V. & K. R. Leena. 1994. Taxonomy and distribution of Spherostephanos J. Sm. (Thelypteridaceae – Pteridophyta) in South India. J. Eco. Tax. Bot. 18: 653–659.

373. Madhusoodanan, P. V. & S. Nampy. 1994. Loxogramme chinensis Ching (Loxogrammaceae) a misunderstood species from South India. Indian Fern Journal 11(1–2): 56–59.

374. Madhusoodanan, P. V. & S. Nampy. 1994. Morphogenesis of shoot and vascular differentiation in the water fern, Salvinia molesta Mitchell (Salviniaceae–Pteridophyta). Journal of Taiwan Museum 47(2): 61–68.

375. Madhusoodanan, P. V. & S. Nampy. 1994. Selaginella dixitii, a new species of Selaginellaceae from India. Nordic Journal of Botany 14(5): 527–529.

376. Madhusoodanan, P. V. & A. Rejani. 1994. Reinvestigation on the present status of the ferns and fern allies of Hortus Malabaricus. Indian Fern Journal 11(1–2): 12–19.

377. Maeshima, M., T. Mimura & T. Sato. 1994. Distribution of vacuolar H+–pyrophosphatase and a membrane integral protein in a variety of green plants. Plant and Cell Physiology 35(2): 323–328.

378. Mainwaring, L. H., K. S. Renzaglia & Palisano. 1994. Actin in spermatogenesis of Ceratopteris. American Journal of Botany 81 Suppl. 6: 131. [Abstract]

379. Majeed, K. K. A., K. R. Leena & P. V. Madhusoodanan. 1994 (1995). The genus Elaphoglossum Schott ex J. Smith (Lomariopsidaceae: Pteridophyta) in Kerala. Journal of Economic and Taxonomic Botany 18(3): 661–664.

380. Majeed, K. K. A., K. R. Leena & P. V. Madhusoodanan. 1994 (1995). The genus Egenolfia Schott (Lomariopsidaceae: Pteridophyta) In Kerala, India. Journal of Economic and Taxonomic Botany 18(3): 741–745.

381. Malaisse, F., R. R. Brooks & A. J. M. Baker. 1994. Diversity of vegetation communities in relation to soil heavy metal content at the Shinkolobwe copper–cobalt–uranium mineralization, upper Shaba, Zaire. Belgian Journal of Botany 127(1): 3–16.

382. Manhart, J. R. 1994. rbcL and 16S rDNA variation among ferns and fern allies. American Journal of Botany 81 Suppl. 6: 122. [Abstract]

383. Manhart, J. R. 1994. Phylogenetic analysis of green plant rbcL sequences. Molecular Phylogenetics and Evolution 3(2): 114–127.

384. Marchetti, D. 1994. Asplenium X murbeckii Dorfler (Aspleniaceae) and Cystopteris sudetica A. Braun et Milde (Athyriaceae), new for pteridological flora of Italy. Acta Botanica Gallica 141(1): 81–84. [French]

385. Marchioni, D., W. Kalkreuth, J. Utting & M. Fowler. 1994. Petrographical, palynological and geochemical analyses of the Hub and Harbour seams, Sydney Coalfield, Nova Scotia, Canada: Implications of facies development. Palaeogeography Palaeoclimatology Palaeoecology 106(1–4): 241–270.

386. Marchiori, S., P. Medagli, S. Sabato & L. Ruggiero. 1993 (1994). Chorological remarks on some new or rare species in Salento (Apulia, Italy). Informatore Botanico Italiano 25(1): 37–45.

387. Martin, A. R. H. 1994. Kurnell Fen: An eastern Australian coastal wetland, its Holocene vegetation, relevant to sea–level change and aboriginal land use. Review of Palaeobotany and Palynology 80(3–4): 311–332.

388. Martin Ballesteros, M. A., M. M. Martinez Ortega, M. J. Perez Hornero, E. Rico Hernandez & X. Giraldez Fernandez. 1994. Pteridological notes: 39. Contributions to the knowledge of the pteridoflora of the Iberian Peninsula and the Balearic Islands. Acta Botanica Malacitana 19: 235–237.

389. Martin–Blanco, C. J. & M. A. Carrasco. 1994(1995). Fragmenta chorologica occidentalia: 5283–5298. Anales del Jardin Botanico de Madrid 52(2): 205–207. [Spanish]

390. Martinez, E., M. Palacios–Rios, C. Gomez, M. Gomez & E. Soto. 1993. Estudio bioclimatico de la familia Gleicheniaceae en el stado de Veracruz. XII Congreso Mexicano de Botanica, Merida, Yucatan Octubre 3–8. [Abstract; Spanish]

391. Martini, E. & R. Rebora. 1993(1994). Italian floristic reports: 735. Pinguicula reichenbachiana Schindler (Lentibulariaceae). Informatore Botanico Italiano 25(1): 56–57. [Italian; Adiantum capillus-veneris]

392. Masood, K. R., T. N. Taylor, T. Horner & E. L. Taylor. 1994. Palynology of the Mackellar Formation (Beacon Supergroup) of East Antarctica. Review of Palaeobotany and Palynology 83: 329–337.

393. Masuyama, S. & Y. Watano. 1994. Hybrid sterility between two isozymic types of the fern Ceratopteris thalictroides of Japan. Journal of Plant Research 107(1087): 269–274.

394. Mateo Sanz, G., C. Fabregat Llueca & S. Lopez Udias. 1994. Fragmenta chorologica occidentalia: 5102–5115. Anales del Jardin Botanico de Madrid 52: 91–92. [Spanish; Equisetum palustre]

395. Matsumoto, S. 1994. New northern–limit locality of Isoetes sinensis in Japan and comparison of the spore morphology with I. japonica by scanning electron microscope. Annals of the Tsukuba Botanical Garden, Ibaraki 13: 59–64.

396. Matsuoka, K. 1994. Recent progress of marine palynomorph study in the quaternary. Quaternary Research (Tokyo) 33(3): 189–203. [Japanese]

397. Matten, L. C. & T. I. Fine. 1994. Telangium schweitzeri sp. nov.: A gymnosperm pollen organ from the Upper Devonian of Ireland. Palaeontographica Abteilung B Palaeophytologie 232(1–6): 15–33.

398. May, T. 1994. Regeneration of arboreal and bushy vegetation in a crop area abandoned for 12 years in the mountainous rain forest zone (Ebano Verde Scientific Reserve, Cordillera Central, Dominican Republic). Moscosoa 8: 131–149. [Gleichenia, Dicranopteris]

399. McDonald, P. M., C. S. Abbott & G. O. Fiddler. 1994. Response of young ponderosa pines, shrubs, and ferns to three release treatments. Western Journal of Applied Forestry 9(1): 24–28. [Pteridium aquilinum]

400. McGrath, J. M., L. G. Hickok & E. Pichersky. 1994. Restriction fragment length polymorphisms distinguish among accessions of Ceratopteris thalictroides and C. richardii (Parkeriaceae). Plant Systematics and Evolution 189(3–4): 193–202.

401. McGrath, J. M., L. G. Hickok & E. Pichersky. 1994. Assessment of gene copy number in the homosporous ferns Ceratopteris thalictroides and C. richardii (Parkeriaceae) by restriction fragment length polymorphisms. Plant Systematics and Evolution 189(3–4): 203–210.

402. McMaster, R. J. 1994. Ecology, reproductive biology and population genetics of Ophioglossum vulgatum (Ophioglossaceae) in Massachusetts. Rhodora 96(887): 259–286.

403. Mejia, M., R. Garcia & F. Jimenez. 1994. Notes on the Flora of the Hispaniola Island (Dominican Republic and Haiti) IV. Moscosoa 8: 33–44.

404. Meng, L. 1994. How accurate is the random settling method for quantitative diatom analysis? A test using Lycopodium spore tablets. Micropaleontology 40: 261–266.

405. Mickel, J. T. 1994. Ferns for American Gardens. Macmillan, New York. 1–370 pp.

406. Mickel, J. T. 1994. Pteridotourism in Japan. Fiddlehead Forum 21: 26–27.

407. Mickel, J. T. & W. C. Taylor. 1994. 1993 International Botanical Congress excursion, Yaku Island, Japan. Fiddlehead Forum 21: 28–19.

408. Milberg, P. & L. Anderson. 1994. Viable fern spores in an arable soil. Fern Gazette 14(8): 299–300.

409. Minoletti, M. L. & R. E. J. Boerner. 1993 (1994). Seasonal photosynthesis, nitrogen and phosphorus dynamics, and resorption in the wintergreen fern Polystichum acrostichoides (Michx.) Schott. Bulletin of the Torrey Botanical Club 120(4): 397–404.

410. Mironowicz, A., K. Kromer, P. Pawlowicz & A. Siewinski. 1994. Abilities of some higher plants to hydrolyze the acetates of phenols and aromatic–aliphatic alcohols. Acta Societatis Botanicorum Poloniae 63: 43–48. [Nephrolepis exaltata, Nephrolepis cordifolia, Cyrtomium falcatum]

411. Mohr, B. A. R. & D. B. Lazarus. 1994. Paleobiogeographic distribution of Kuylisporites and its possible relationship to the extant fern genus Cnemidaria (Cyatheaceae). Annals of the Missouri Botanical Garden 81(4): 758–767.

412. Montgomery, J. D. 1994. The ferns of Mt. Kiyosumi, Japan. Fiddlehead Forum 21: 30–31.

413. Montgomery, J. D. & W. C. Taylor. 1994. Confirmation of a hybrid Isoetes from New Jersey. American Journal of Botany 81 Suppl. 6: 131. [Abstract]

414. Montgomery, J. D. & W. C. Taylor. 1994. Confirmation of a hybrid Isoetes from New Jersey. American Fern Journal 84: 115–120.

415. Montgomery, J. D. & W. H. Wagner Jr. 1993. Dryopteris Adanson. Pp. 280–290. In Flora of North America Editorial Committee (Ed.). Flora of North America north of Mexico Volume 2. Oxford University Press, New York.

416. Moran, R. C. 1994. Pteridophytes as trees. Fiddlehead Forum 21(2): 10–13.

417. Moran, R. C. 1994. The fern spike. Fiddlehead Forum 21(3): 32–33.

418. Mordue, J. E. M. 1994. Zoological aids to fungus collecting. Mycologist 8(3): 136. [Dryopteris]

419. Morel, E. M. 1994. The triassic of the Cacheuta Hill, Mendoza (Argentina) Part I: Geology, paleofloristic content and chronostratigraphy. Ameghiniana 31(2): 161–176. [Spanish]

420. Mound, L. A., J. H. Martin & A. Polaszek. 1994. The insect fauna of Selaginella (Pteridophyta: Lycopsida), with descriptions of three new species. Journal of Natural History 28(6): 1403–1415.

421. Muller, S. 1994(1995). Sandy dunes plant communities in Bitcherland (Northern Vosges): Biogeographical origin and conservation problems. Acta Botanica Gallica 141(6–7): 761–768. [French; Botrychium matricariifolium]

422. Munshi, A. H. 1994. Cytotaxonomic studies on genus Adiantum in Kashmir Himalaya. Indian Fern Journal 11(1–2): 68–72.

423. Murakami, N. & B. A. Schaal. 1994. Chloroplast DNA variation and the phylogeny of Asplenium sect Hymenasplenium (Aspleniaceae) in the New World tropics. Journal of Plant Research 107: 245–251.

424. Muromtsev, G. S., V. D. Voblikova, N. S. Kobrina, V. M. Koreneva, L. M. Krasnopolskaya & V. L. Sadovskaya. 1994. Occurrence of fusicoccanes in plants and fungi. Journal of Plant Growth Regulation 13(1): 39–49. [Cheilanthes farinosa]

425. Musselman, L. J. & D. A. Knepepr. 1994. Quillworts of Virginia. American Fern Journal 84(2): 48–68.

426. Nair, N. C., S. R. Ghosh & P. Bhargavan. 1994. Fern allies and ferns of Kerala: Part IV. Journal of Economic and Taxonomic Botany 18(2): 449–476.

427. Nakaike, T., S. Matsumoto & Y. S. Momonoki. 1994. A phytogeographical study of the pteridophytes from Rausu–dake, Hokkaido. Memoirs of the National Science Museum (Tokyo) 27: 55–62. [Japanese]

428. Nakamura, M. & M. Maeda. 1994. Isolation and culture of protoplasts from young sporophytes of Salvinia natans aseptically obtained by co–culture of female and male gametophytes. Plant Cell Tissue and Organ Culture 36(2): 237–242.

429. Nampy, S. & P. V. Madhusoodanan. 1994. Phymatosorous malabaricus (Polypodiaceae: Pteridophyta) a new fern species from south India. Fern Gazette 14(7): 233–234.

430. Nampy, S. & P. V. Madhusoodanan. 1994. A new variety of Helminthostachys zeylanica (L.) Hook. (Ophioglossaceae: Pteridophyta) from Kerala, South India. Journal of Economic and Taxonomic Botany 18(1): 189–190.

431. Naugol'nykh, S. V. 1994. A new lepidophyte from the Kungurian of middle Cisuralia. Paleontologicheskii Zhurnal 131–136. [Russian]

432. Naumenko, N. I. 1994. Floristic findings in forest steppe Transural region. Botanicheskii Zhurnal (St. Petersburg) 79(12): 97–102. [Russian]

433. Nichou, N. 1994. Ferns in alpine Greece. Hardy Fern Foundation Newsletter 4(3): 15.

434. Niiyama, K., R. H. Jilli & S. Kobayashi. 1994. Classification of under–storey vegetation types in a secondary hill dipterocarp forest in relation to silviculture planning in Brunei Darussalam. Bulletin of the Forestry and Forest Products Research Institute 366: 1–16.

435. Niklas, K. J. 1994. Comparisons among biomass allocation and spatial distribution patterns of some vine, pteridophyte, and gymnosperm shoots. American Journal of Botany 81(11): 1416–1421.

436. Nishizawa, M., H. Takao, N. Kanoh, K. Asoh, S. Hatakeyama & H. Yamada. 1994. Total synthesis of (racemic)–6–alpha– hydroxyachilla–9,13,17,21–tetraene and(racemic)–8–alpha– hydroxypolypoda–13,17,21–triene. Tetrahedron Letters 35(31): 5693–5696. [Polypodioides formosana]

437. Nishizawa, M. & H. Yamada. 1994. Synthesis and structure revision of intensely sweet saponin, osladin. Journal of the Indian Institute of Science 74(1): 169–179. [Polypodium vulgare]

438. Nooteboom, H. P. 1994. Notes of Davalliaceae II. Blumea 39: 151–214.

439. Norton, D. A. 1994. Relationships between pteridophytes and topography in a lowland South Westland podocarp forest. New Zealand Journal of Botany 32(4): 401.

440. Novelino, R. F. N. & D. Graçano. 1994. Polypodiaceae do Parque Florestal do Ibitipoca, MG (Brasil). XLV Congresso Nacional de Botânica, Sao Leopoldo, R. Grande do Sul (BR) 429. [Abstract; Portuguese]

441. Novelino, R. F. N. & D. Graçano. 1994. Elaphoglossum Schott ex J. Sm. do Parque Florestal do Ibitipoca, MG (Brasil). XLV Congresso Nacional de Botânica, Sao Leopoldo, R. Grande do Sul (BR) 430. [Abstract; Portuguese]

442. Nummela–Salo, U. & P. Salo. 1994. Microstylis monophyllos (L.) Lindley in northern Finland. Aquilo Ser Botanica 33(0): 81–91. [Finnish; Equisetum fluviatile]

443. O'Hanlon, R. P. & T. Bolger. 1994. The current status of Arcitalitrus dorrieni (Crustacea: Amphipoda: Talitridae) in Ireland. Irish Naturalists' Journal 24: 440–444.

444. Oldhammer, B. 1994. History of fires in central and northwestern Dalarna. Svensk Botanisk Tidskrift 88: 259–266. [Swedish; Diphasiastrum complanatum]

445. Oliveira, M. L. C. S. D., N. S. Rocha & J. L. V. D. Camargo. 1994. Effects of low dose of crude bracken–fern on the rat urinary bladder carcinogenesis induced by N–butyl–N–(4–hydroxybutyl)–nitrosamine and uracil. Proceedings of the American Association for Cancer Research Annual Meeting 35: 169. [Abstract]

446. Ollgaard, B. 1994. Lycopodiaceae. Pp. 16–66. In R. M. Tryon & R. G. Stolze (Eds.). Pteridophyta of Peru, Part VI, Fieldiana Bot. n. s. 34.

447. Olsen, K. R. & F. O. Andersen. 1994. Nutrient cycling in shallow, oligotrophic Lake Kvie, Denmark: I. Effects of isoetids on the exchange of nitrogen between sediment and water. Hydrobiologia 275–276: 255–265.

448. Pacheco, L. 1994. Hymenophyllaceae. Pp. 1–56. In M. Delgadillo et. al. (Eds.). Flora de Mexico. Consejo Nacional de la Flora de Mexico Volume 6(2).

449. Page, C. N. & R. R. Mill. 1994. Scottish Bracken (Pteridium): New taxa and a new combination. Botanical Journal of Scotland 47: 139–140.

450. Pakeman, R. J. & R. H. Marrs. 1994. The effects of control on the biomass, carbohydrate content and bud reserves of bracken (Pteridium aquilinum (L.) Kuhn), and an evaluation of a bracken growth model. Annals of Applied Biology 124: 479–493.

451. Pakeman, R. J., R. H. Marrs & P. J. Jacob. 1994. A model of bracken (Pteridium aquilinum) growth and the effects of control strategies and changing climate. Journal of Applied Ecology 31(1): 145–154.

452. Pal, G. D. 1994. Fern and fern allies of Itanagar, Lower Subansiri District, Arunachal Pradesh. Journal of Economic and Taxonomic Botany 18(1): 153–163.

453. Palacios Rios, M. 1994. First report of Bolbitis hemiotis (Lomariopsidaceae: Pteridophyta) in Costa Rica, Panama, and Colombia. Fern Gazette 14(7): 235–236.

454. Palacios–Rios, M. 1993. Orquideas vs. helechos arborescentes: sustratos alternativos al "maquique", para el establecimiento de epifitas. Congreso Latinoamericano de Orquideologma, Xalapa, Veracruz Octubre 18–25. [Abstract; Spanish]

455. Palacios–Rios, M. 1993. Osmundaceae. In: J. Rzedowski & C. Calderon de Rzedowski (eds), Flora del Bajmo y de regiones adyacentes 12: 1–7.

456. Palacios–Rios, M. 1993. Marattiaceae. In: J. Rzedowski & C. Calderon de Rzedowski (eds), Flora del Bajmo y de regiones adyacentes 13: 1–6.

457. Palacios–Rios, M. 1993. Potencial del Jardin Botanico "Fco. X. Clavijero" de Xalapa, Veracruz, Mexico para la conservacion de pteridofitas tropicales. Palacio de las Convenciones, Ciudad de La Habana, Cuba Junio 21–25. [Abstract; Spanish]

458. Palacios–Rios, M. 1993. La riqueza de helechos de Veracruz y la peninsula de Yucatan comparada con el resto de la pteridoflora mexicana. Palacio de las Convenciones, Ciudad de La Habana, Cuba Junio 21–25. [Abstract, Spanish]

459. Palacios–Rios, M. 1993. Avances sobre el conocimiento de la pteridoflora de la Peninsula de Yucatan. XII Congreso Mexicano de Botanica, Merida, Yucatan Octubre 3–8. [Abstract; Spanish]

460. Palacios–Rios, M. 1994. Lophosoriaceae. Pp. 1–5. In J. Rzedowski & G. Calderon de Rzedowski (Eds.). Flora del Bajmo y de regiones adyacentes, Volume 5.

461. Palacios–Rios, M. 1994. Las pteridofitas de Veracruz: Biodiversidad y problematica de su conservacion. Pp. 89–102. In Castillo & Mejma (Eds.). Problematica Veracruzana–Colegio Profesional de Biologos del Estado de Veracruz. A. C. Publicaciones de la Universidad Veracruzana, Xalapa.

462. Palacios–Rios, M. 1994. Conocimiento actual de la Pteridoflora Mexicana. VI Congreso Latinoamericano de Botanica. Mar del Plata. Argentina Octubre 2–8: 229. [Abstract; Spanish]

463. Palacios–Rios, M. & A. Gomez–Pompa. 1993. Las pteridofitas en el estado de Veracruz, Mexico. XII Congreso Mexicano de Botanica, Merida, Yucatan Octubre 3–8: [Abstract; Spanish]

464. Palamarez, E. 1994. Palaeocarpological studies from coal–bearing neogene in Bulgaria. Palaeontographica Abteilung B Palaeophytologie 232(1–6): 129–154.

465. Paler, M. H. & D. S. Barrington. 1994. The hybrid Cystopteris fragilis x C. tenuis and the relationship between its allotetraploid progenitors. American Journal of Botany 81 Suppl. 6: 131. [Abstract]

466. Palisano, J. R., K. S. Renzaglia & A. R. Maden. 1994. Annulate lamellae in spermatogenous cells of Lycopodium. American Journal of Botany 81 Suppl. 6: 132. [Abstract]

467. Palmer, D. D. 1994. The Hawaiian species of Cibotium. American Fern Journal 84(3): 73–85.

468. Pande, H. C., M. L. Vishwakarma & P. C. Pande. 1994. Pteridophytic flora of Kheti, Dania and Chamtola hills of Kumaun Himalaya. Indian Fern Journal 11(1–2): 157–161.

469. Pande, P. C. & K. Bhandari. 1994. Pteridophytic flora of Roopkund (Garhwal Himalaya). Indian Fern Journal 11(1–2): 20–26.

470. Pande, P. C. & S. S. Bir. 1994. Present assessment or rare and threatened vascular cryptogams (Pteridophytes) of Kuman Himalaya and their conservation strategies. Indian Fern Journal 11(1–2): 31–48.

471. Pande, P. C., H. C. Pande & K. Bhandari. 1994. Further additions to the fern flora of Kumaun Himalaya. Indian Fern Journal 11(1–2): 97–101.

472. Pande, P. C., H. C. Pande & K. Bhandari. 1994. Rediscovery of two rare species of Woodsia R. Br. (Woodsiaceae) from Kumaun Himalaya. Journal of Economic and Taxonomic Botany 18(2): 489–490.

473. Pandey, D. K. 1994. Inhibition of salvinia (Salvinia molesta Mitchell) by parthenium (Parthenium hysterophorus L.). I. Effect of leaf residue and allelochemicals. Journal of Chemical Ecology 20: 3111–3122.

474. Pandey, D. K. 1994. Inhibition of salvinia (Salvinia molesta Mitchell) by parthenium (Parthenium hysterophorus L.). II. Relative effect of flower, leaf, stem, and root residue on salvinia and paddy. Journal of Chemical Ecology 20: 3123–3131.

475. Pangua, E., S. Lindsay & A. F. Dyer. 1994. Spore germination and gametophyte development in three species of Asplenium. Annals of Botany 73: 587–593.

476. Panigrahi, G. 1994. Taxonomy, phytogeography and problems of nomenclature of Indian pteridophytes. Indian Fern Journal 11(1–2): 173–188.

477. Panteris, E., P. Apostolakos & B. Galatis. 1994. Sinuous ordinary epidermal cells: Behind several patterns of waviness, a common morphogenetic mechanisms. New Phytologist 127(4): 771–780. [Asplenium nidus, Adiantum capillus-veneris]

478. Paris, C. A. & C. H. Haufler. 1994. Geographic isolation and allopatric speciation in ferns with a disjunct distribution in eastern Asia and eastern North America. American Journal of Botany 81 Suppl. 6: 137. [Abstract; Adiantum pedatum, Polypodium virginianum]

479. Parkinson, B. M. 1994. Morphological and ultrastructural variations in Schizaea pectinata (Schizaeaceae: Pteridophyta). Bothalia 24(2): 203–210.

480. Parris, B. S. 1993. Studies on the phytogeography and altitudinal zonation of the pteridophyte flora of Seram. Pp. 75–89. In I. D. Edwards, A. Macdonald & J. Proctor (Eds.). Natural History of Seram, Maluku, Indonesia.

481. Parris, B. S. 1994. Additions to the pteridophyte flora of Taveuni, Fiji. Fern Gazette 14(7): 255–258.

482. Parris, B. S. 1994. Excursion reports from the Botanical Congress: Yakushima, treasury of ferns. International Association of Pteridologists Newsletter 8: 5–7.

483. Passarge, H. 1994. Acidophilic fringe communities (Melampyro–Holcetea mollis) in the European area. Tuexenia 14: 83–111. [German; Pteridium, Blechnum]

484. Patel, H. R., D. J. Patel, C. C. Patel & N. A. Thakar. 1994. Effectivity of Clerodendron inerme L., Catharanthus roseus (L.) G. Don. and Azolla pinnata R.BR. for management of root–knot nematodes on okra. Pakistan Journal of Nematology 12(1): 95–98.

485. Peck, C. J. & J. H. Peck. 1993. Genus Pteridium. Pp. 201–204. In Flora of North America Editorial Committee (Ed.). Flora of North America North of Mexico Volume 2, Pteridophytes and Gymnosperms. Oxford University Press, New York.

486. Peck, J. H. 1994. AFS Annual Field Trip––1993. Paleozoic Plateau of Northeastern Iowa and Woodman Hollow State Preserve. Fiddlehead Forum 21(Mar–Apr): 14–16.

487. Pellissier, F. 1994. Effect of phenolic compounds in humus on the natural regeneration of spruce. Phytochemistry (Oxford) 36(4): 865–867. [Athyrium filix femina]

488. Pena, M. 1994. Isoetes histrix and Ophioglossum azoricum: Two rediscoveries in Gironde. Bulletin de la Societe Linneenne de Bordeaux 22: 129–131. [French]

489. Penna, C. A., M. Radice, G. O. Gutkind, C. Van Baren, A. Broussalis, L. Muschietti, V. Martino & G. Ferraro. 1994. Antibacterial and antifungal activities of some Argentinian plants. Fitoterapia 65(2): 172–174. [Equisetaceae]

490. Perevoznikova, V. D. 1994. Store of viable fern spores in soils of primary and disturbed biogeocenoses of the central Angara region. Russian journal of ecology 25(6): 405.

491. Perez–Garcia, B., A. Mendoza & R. Riba. 1994. Gametophytic development of Metaxya rostrata (Filicales: Metaxyaceae). Revista de Biologia Tropical 42(3): 455–460.

492. Pérez–García, B., A. Mendoza & R. Riba. 1994. Observationes sobre el gametofito de Metaxya rostrata (H.B.K.) G. Presl (Metaxyaceae) Pic. Serm. Rev. Biol. Trop. 42(3): 455–460. [Spanish]

493. Pérez–García, B., A. Orozco–Segovia & R. Riba. 1994. The effects of white flourescent light, far–red light, darkness, and moisture on spore germination of Lygodium heterodoxum (Schizaeaceae). American Journal of Botany 81(11): 1367–1369.

494. Pérez–García, B. & R. Riba. 1994. Flora de México: Dicksoniaceae Bower. CNFM, A. C. 1–13.

495. Pérez–García, B., R. Riba & A. Mendoza. 1994. Observaciones del gametofito de Thelypteris rhachiflexuosa Riba (Thelypteridaceae). Acta Botánica Mexicana 28: 63–69. [Spanish]

496. Peroni, A. & G. Peroni. 1993(1995). Botrychium matricariifolium (Retz.) Barun ex W. Koch nelle prealpi varesine. Atti Società Italiana di Scienze Naturali, Milano 134(1): 25–32. [Italian]

497. Peroni, A. & G. Peroni. 1994. Dryopteridaceae nelle Prealpi Varesine (Italia) 2: il genere Polystichum Roth. Bollettino della Società Ticinese di Scienze Naturali, Lugano 82(1): 15–28. [Italian]

498. Peroni, A. & G. Peroni. 1994. Prima segnalazione di Pteris cretica L. in provincia di Varese. (Pteridophyta: Pteridaceae). Rivista del civico Museo di Scienze Naturali "E. Caffi", Bergamo 16: 41–44. [Italian]

499. Perry, J. P. I. & L. J. Musselman. 1994. Psilotum nudum new to North Carolina. American Fern Journal 84(3): 102–104.

500. Petrov, P. & D. Mitev. 1994. Effect of bracken control and introduction of improved grass species on botanical composition and yield of natural meadow. Pp. 194–196. In L. TMannetje & J. Frame (Ed.). Grassland and society; 15th General Meeting of the European Grassland Federation, Wageningen, Netherlands, June 6–9, 1994. Wageningen Pers, Wageningen, Netherlands.

501. Petrov, P. I. & D. K. Mitev. 1994. Bracken 94: an environmental issue. Contributions to an International Conference 18–21 July: 125–129.

502. Pietsch, W. 1994. Isoetes azorica Durieu ex Milde, an endemic species of the Azores Islands: Vegetation and habitat conditions, endangerment, and protective measures. Phytocoenologia 24(0): 649–665. [German]

503. Pigg, K. B., S. J. Borgardt & W. C. Wehr. 1994. Anatomically preserved Miocene plants from Yakima Canyon, Washington. American Journal of Botany 81 Suppl. 6: 100. [Abstract]

504. Pilkington, N., J. Proctor & K. I. Reid. 1994. The Inchlonaig yews, their tree epiphytes, and their tree partners. Glasgow Naturalist 22(4): 365–373. [Dryopteris dilatata]

505. Platt, K. A., M. J. Oliver & W. W. Thomson. 1994. Membranes and organelles of dehydrated Selaginella and Tortula retain their normal configuration and structural integrity: Freeze fracture evidence. Protoplasma 178(1–2): 57–65.

506. Pomi, U. 1993(1994). Italian floristic report: 748–750. Informatore Botanico Italiano 25(2–3): 221–222. [Italian; Asplenium cuneifolium, Asplenium serpentii]

507. Porter, J. L. 1994. A study of the ecology of aspleniums in limestone grikes. Fern Gazette 14(7): 245–254.

508. Powell, M. J. & J. Z. Kiss. 1994. Development of Schizaea pusilla gametophytes in association with an endophytic fungus. American Journal of Botany 81 Suppl. 6: 132. [Abstract]

509. Prado, J. 1994. Padres de distributiçao geográfica de Pteris L. (Pteridaceae) no Brasil. VI Congresso Latinoamericano de Botanica. Mar del Plata, Argentina October 2–8: 232. [Abstract; Portuguese]

510. Pryer, K. M., F. M. Lutzoni & A. R. Smith. 1994. Towards a fern phylogeny: Integrating morphology and molecules. American Journal of Botany 81 Suppl. 6: 122. [Abstract]

511. Pryor, J. S. & R. G. Hamilton. 1994. An analysis of the size hierarchy in a local population of Pleopeltis polypodioides var. michauxiana. American Journal of Botany 81 Suppl. 6: 132. [Abstract]

512. Quinif, Y. & B. Bastin. 1994. U–Th dating and pollen analysis of a stalagmitic sequence of the isotopic stage 5 ("Galerie des Vervietois, Grotte de Han", Belgium). Comptes Rendus de l'Academie des Sciences Serie II Sciences de la Terre et des Planetes 318(2): 211–217. [French]

513. Raich, J. W., P. M. Vitousek, A. E. Russell, H. Farrington & T. Crews. 1994. Nitrogen and phosphorus stimulate plant growth in primary successional sites of Hawaii. Bulletin of the Ecological Society of America 75(2 Part 2): 188. [Abstract; Dicranopteris linearis]

514. Rakotondrainibe, F. & N. Quansah. 1994. The diversity and originality of the pteridophytes of the forest of Manongarivo Special Reserve (north–west Madagascar). Fern Gazette 14(7): 259–267.

515. Ram, H., P. K. Raja & M. V. S. Naidu. 1994. Effect of Azolla on soil properties and yield of mungbean (Vigna radiata L.). Journal of the Indian Society of Soil Science 42(3): 385–387.

516. Ramos, J. A. 1994. Fern frond feeding by the Azores bullfinch. Journal of Avian Biology 25(4): 344–347.

517. Ranker, T. A. 1994. Evolution of high genetic variability in the rare Hawaiian fern Adenophorus periens and implications for conservation management. Biological Conservation 70(1): 19–24.

518. Ranker, T. A., S. K. Floyd & P. G. Trapp. 1994. Multiple colonizations of Asplenium adiantum–nigrum into the Hawaiian archipelago. Evolution 48: 1364–1370.

519. Ranker, T. A., S. K. Floyd, M. D. Windham & P. G. Trapp. 1994. Historical biogeography of Asplenium adiantum–nigrum (Aspleniaceae) in North America and implications for speciation theory in homosporous pteridophytes. American Journal of Botany 81(6): 776–781.

520. Ranker, T. A. & R. G. Olmstead. 1994. Overview of molecular techniques and phylogenetic analyses of molecular data. American Journal of Botany 81 Suppl. 6: 122. [Abstract]

521. Rao, K. S. & B. T. S. Moorthy. 1994. Integrated N management in irrigated lowland rice. International Rice Research Notes 19(3): 21.

522. Rasbach, H., T. Reichstein & R. L. L. Viane. 1994. Asplenium chihuahuense (Aspleniaceae, Pteridophyta), and allohexaploid species and the description of a simplified hybridization technique. American Fern Journal 84(1): 11–40.

523. Raubeson, L. A., D. B. Stein & D. S. Conant. 1994. Insights into fern evolution from mapping chloroplast genomes. American Journal of Botany 81 Suppl. 6: 123. [Abstract]

524. Reed, C. F. & E. C. Hadaway. 1994. Ferns on fossiliferous Eocene formations in Maryland. American Fern Journal 84(4): 132–133.

525. Reichstein, T., R. Viane, H. Rasbach & J. Schneller. 1994. Asplenium adiantum–nigrum L. subsp. yuanum (Ching) Viane, Rasbach, Reichstein and Schneller stat. nov., and the status of A. woronowii Christ (Aspleniaceae, Pteridophyta). Candollea 49(1): 281–328. [French]

526. Reinoso Franco, J., J. Otero–Schmitt & C. Viera Benitez. 1993–1994. Considerations on cryptogamic flora of a littoral Atlantic cave: Punta Queixal (Galicia, NW Spain). Boletim da Sociedade Broteriana 66(2): 19–28.

527. Renzaglia, K. S. 1994. The use of Ceratopteris in teaching plant biology. American Journal of Botany 81 Suppl. 6: 125. [Abstract]

528. Renzaglia, K. S., A. R. Madden, J. G. Duckett & D. P. Whittier. 1994. Monoplastidy in spermatogenesis of Lycopodium obscurum. Canadian Journal of Botany 72: 1436–1444.

529. Riba, R. & B. Pérez–García. 1994. Perspectivas en el estudio de las Pteridophytas. Bol. Soc. Bot. México 55: 127–133.

530. Ribbens, E. 1994. Seed rain and seedling recruits dispersion in northern hardwood forest: The influence of hemlock canopy and hayscented fern understory. Bulletin of the Ecological Society of America 75(2 Part 2): 192. [Abstract]

531. Riet–Correa, F., M. C. Mendez, C. S. L. Barros & A. Gava. 1994. Poisonous plants of Rio Grande do Sul. Pp. 13–18. In S. M. Colegate & P. R. Dorling (Eds.). Plant–associated toxins: Agricultural, phytochemical and ecological aspects; 4th International Symposium on Poisonous Plants(ISOPP4), Fremantle, Western Australia, Australia, September 26–October 1, 1993. CAB International, Tucson, Arizona, USA. [Pteridium aquilinum]

532. Rios, S., F. Alcaraz & A. Robledo. 1994. Pteridological notes: 37. Notes on the hydrophilous pteridoflora of Cuenca del Segura (Southeastern Iberian Peninsula). Acta Botanica Malacitana 19(0): 231–233. [Spanish; Equisetum, Blechnum spicant]

533. Roberts, M. R. & F. S. Gillliam. 1994. Vegetation and soil fertility changes with forest succession in northern lower Michigan. Bulletin of the Ecological Society of America 75(2 Part 2): 194. [Abstract]

534. Roblin, L. 1994. Alien invasive weeds: An example of National Rivers Authority sponsored research. Pp. 189–193. In L. C. de Waal et al. (Ed.). Landscape Ecology Series: Ecology and management of invasive riverside plants. John Wiley and Sons Ltd., Chichester, England, UK.

535. Rodl–Linder, G. 1994. A monograph of the fern genus Thylacopteris (Polypodiaceae). Blumea 39(1–2): 351–364.

536. Rodl–Linder, G. 1994. Revision of the fern genus Polypodiopteris (Polypodiaceae). Blumea 39(1–2): 365–371.

537. Roelofs, J. G. M., T. E. Brandrud & A. J. P. Smolders. 1994. Massive expansion of Juncus bulbosus L. after liming of acidified SW Norwegian lakes. Aquatic Botany 48(3–4): 187–202. [Isoetes]

538. Roessler, R. & B. Buschmann. 1994. Some herbaceous lycopods from the Westphalian D of Germany. Review of Palaeobotany and Palynology 80(3–4): 259–275.

539. Rogers, G. M. 1994. North Island seral tussock grasslands: 1. Origins and land–use history. New Zealand Journal of Botany 32(3): 271–286. [Gleichenia dicarpa]

540. Room, P. M. & M. H. Julien. 1994. Population–biomass dynamics and the absence of 3–2 self– thinning in the clonal weed Salvinia molesta. Australian Journal of Ecology 19(1): 26–34.

541. Rothwell, G. W. 1994. Phylogenetic Relationships among Ferns and Gymnosperms: An Overview. Journal of Plant Research 107(1088): 411–416.

542. Rothwell, G. W. & R. Serbet. 1994. Lignophyte phylogeny and the evolution of spermatophytes: A numerical cladistic analysis. Systematic Botany 19(3): 443–482.

543. Rothwell, G. W. & R. A. Stockey. 1994. The role of Hydropteris pinnata Gen. et sp. nov. in reconstructing the cladistics of heterosporous ferns. American Journal of Botany 81(4): 479–492.

544. Rothwell, G. W. & R. A. Stockey. 1994. Pteridophytes and gymnosperms: current concepts of structure, evolutionary history, and phylogeny. Journal of plant research 107: 410.

545. Roux, J. P. 1994. Pteridophyta: Systematic studies in the genus Mohria (Anemiaceae) V. Karyology. Bothalia 24(1): 97–99.

546. Roux, J. P. 1994. Lectotypification of Asplenium lucidum Burm. f. (Aspeleniaceae). Taxon 43: 641–642.

547. Roy, S. & V. Raghavan. 1994. Control of heat–shock response of young gametophytes of the sensitive fern is at the translational level. Journal of Experimental Botany 45(273): 477–483.

548. Rumpf, S., M. Cromey & C. J. Webb. 1994. Ultrastructure and function of the nectaries of New Zealand bracken (Pteridium esculentum (Forst. f.) Cockayne). New Zealand Journal of Botany 32: 487–496.

549. Russell, A. E., J. W. Raich & P. M. Vitousek. 1994. Nitrogen and phosphorus dynamics in Dicranopteris linearis on windward Mauna Loa, Hawaii. Bulletin of the Ecological Society of America 75(2 Part 2): 199. [Abstract]

550. Saez, L., X. Vinas & L. Vilar. 1994. Pteridological notes: 38. Catalonia II. Acta Botanica Malacitana 19: 234–235. [Spanish; Dryopteris, Blechnum spicant]

551. Sahi, A. N. & S. K. Singh. 1994. Effect of sulphite on spore germination and rhizoid development in the tropical fern Lygodium japonicum (Filicales: Lygodiaceae). Revista de Biologia Tropical 42(1–2): 53–57.

552. Samal, K. C. & S. Kannaiyan. 1994. Nitrogen fixation and pigment contents of the symbiont Anabaena azollae from Azolla. Photosynthetica 30: 301–305.

553. Sanchez Pena, R. O. 1994. The effects of high NaCl concentrations on the ecophysiological behavior of the mangrove fern Acrostichum danaefolium Langsd. and Fisch. Pp. 174. In J. Cramer (Ed.). Dissertationes Botanicae Volume 216. Gebrueder Borntraeger Verlagsbuchhandlung, Berlin, Germany.

554. Sapozhnikova, T. G. 1994. Rare plant species on refuges of Dzhugdzhurskiy preserve. Pp. 211. In Far east branch of the Russian Academy of Sciences and American Association for the advancement of Science (Ed.). Bridges of the science between North America and the Russian Far East; 45th Arctic Science Conference, Anchorage, Alaska, USA, August 25–27, 1994 and Vladivostok, Russia, August 29–September 2, 1994 (Vol. 2). Dalnauka Publishing House, Vladivostok, Russia. [Abstract]

555. Sasseville, D. N., R. J. Kremer, W. A. Bergfield & T. Souissi. 1994. Leatherleaf fern damage and benlate use. Hortscience 29(5): 545. [Abstract]

556. Sato, T. 1993. A quantitative comparison of pteridophyte flora between eastern Siberia and northernmost Japan––chances in frequency with scaling. Pp. 75–81. In M. Fukuda (Ed.). Proceedings of the 1st Joint Siberia Permafrost Studies.

557. Sato, T. 1994. A quantitative analysis of vegetation structure in eastern Siberia, with respect to biodiversity and coexistence. Pp. 104–108. In M. Fukuda (Ed.). Proceedings of the 1st Joint Siberia Permafrost Studies.

558. Schmid, E. & F. Oberwinkler. 1994. Light and electron microscopy of the host–fungus interaction in the achlorophyllous gametophyte of Botrychium lunaria. Canadian Journal of Botany 72(2): 182–188.

559. Schneider–Poetsch, H. A. W., S. Marx, H. U. Kolukisaoglu, S. Hanelt & B. Braun. 1994. Phytochrome evolution: Phytochrome genes in ferns and mosses. Physiologia Plantarum 91(2): 241–250.

560. Schneller, J. J. & R. Holderegger. 1994. Lack of isozyme variation in the Agamosporous fern Dryopteris remota (A. Braun) Druce. American Fern Journal 84(3): 94–98.

561. Schrank, E. 1994. Palynology of the Yesomma Formation in northern Somalia: A study of pollen, spores and associated phytoplankton from the Late Cretaceous Palmae Province. Palaeontographica Abteilung B Palaeophytologie 231(1–6): 63–112.

562. Schraudolf, H. 1994. Blepharoplast–like structures and cytoskeletal elements in female gametangia of homosporous ferns. Cryptogamic Botany 4(4): 341–345.

563. Schraudolf, H. & J. Oliver. 1992(1994). Temperature effects on growth, morphogenesis and antheridium differentiation of Anemia phyllitidis L. Sw. Beitraege zur Biologie der Pflanzen 67(3): 475–483.

564. Schroder, N. 1994. Spores on Bevis. Pteridologist 2: 198–200.

565. Scott, A. C., R. Brown, J. Galtier & B. Meyer–Berthaud. 1993 (1994). Fossil plants from the Visean of East Kirkton, West Lothian, Scotland. Transactions of the Royal Society of Edinburgh Earth Sciences 84(3–4): 249–260.

566. Scott, J. A. 1994. The potential for modelling the spread of bracken using a Geographical Information System. Journal of Experimental Botany 45 (Suppl.): 5. [Abstract]

567. Sen, A. K. & M. Bhattacharyya. 1994. Studies of uptake and toxic effects of Ni (II) on Salvinia natans. Water Air and Soil Pollution 78: 141–152.

568. Senger, H. & W. Schmidt. 1994. Diversity of photoreceptors. Pp. 301–325. In R. E. Kendrick & G. H. M. Kronenberg (Eds.). Photomorphogenesis in plants, 2nd edition. Kluwer Academic Publishers, Dordrecht, Netherlands; Norwell, Massachusetts, USA. [Pteris, spore germination]

569. Serbet, R. 1994. Three Upper Cretaceous (Maastrichtian) filicalean ferns from Alberta, Canada. American Journal of Botany 81 Suppl. 6: 102. [Abstract]

570. Shah, N. & J. W. Bradbeer. 1994. The occurrence of chloroplastic and cytosolic isoenzymes of phosphoglycerate kinase in a range of plant species. Planta (Heidelberg) 193(2): 232–237.

571. Shang, Y.–K. 1994. Spores and pollen grains from the Shitouhezi Formation of Hegang Basin. Acta Micropalaeontologica Sinica 11(4): 453–467.

572. Sharma, B. D. 1994. Pteridophyta––Morphology, Anatomy, Reproductive Biology. Pp. 455–489. In B. M. Johri (Ed.). Botany in India: History and Progress. Oxford and IBH Publ. Co. Ltd., New Dehli (India).

573. Sharma, O. P. 1994. Plant toxicoses in north–western India. Pp. 19–24. In S. M. Colegate & P. R. Dorling (Eds.). Plant–associated toxins: Agricultural, phytochemical and ecological aspects; 4th International Symposium on Poisonous Plants, Fremantle, Western Australia, Australia, September 26–October 1, 1993. CAB International, Tucson, Arizona, USA.

574. Sharma, U. S., M. S. Agarkar & I. Bhu. 1994. Genetics of natural variants: VIII. Abnormal spores in Psilotum nudum. Bionature 14(1): 71–72.

575. Shatilova, I. I., N. R. Meier–Melikyan & N. S. McHedlishvili. 1994. The spores of Pteris (Pteridaceae) in Neogene deposits of western Georgia. Botanicheskii Zhurnal (St. Petersburg) 79(4): 34–38. [Russian]

576. Shaw, C. L. & T. C. Huang. 1994. Cretaceous palynomorphs of Taiwan (2) – Taxonomic treatment. Taiwania 39: 81–198.

577. Shcherbak, O. V. 1994. Phytotherapy of diabetes mellitus (literature review): Part I. Farmatsevtychnyi Zhurnal 104–108. [Ukrainian; Equisetum arvense]

578. Sheffield, E. 1994. Alternation of generations in ferns: Mechanisms and significance. Biological Reviews of the Cambridge Philosophical Society 69(3): 331–343.

579. Shen, Y. C. & C. H. Chen. 1994. Alkaloids from Lycopodium casuarinoides. Journal of Natural Products (Lloydia) 57(6): 824–826.

580. Sherman, T. D. 1994. On the phylogenetic distribution of polyphenol oxidase in plants. Abstracts of Papers American Chemical Society 208(1–2): AGFD 106. [Abstract]

581. Shi, L., L. Shao, W. Chen & X. Zhang. 1994. The cultivation and utilization of ornamental ferns. Jindun Press, Beijing, P.R. China.

582. Shibano, M. & R. Yoroi. 1994. Flora of Tone–machi, Ibaraki Prefecture. Bulletin of Seitoku Unviersity 5: 161–168. [Japan]

583. Shin, D. & J. Kim. 1994. Chemical constituents of Selaginella tamariscina. Yakhak Hoeji 38(6): 683–686. [Korean]

584. Shiojima, K. & H. Ageta. 1994. Fern constituents: Triterpenoids isolated from the leaves of Adiantum edgeworthii. Structures of 19–alpha–hydroxyadiantone and fern–9(11)–en–25–oic acid. Chemical & Pharmaceutical Bulletin (Tokyo) 42(1): 45–47.

585. Shiojima, K., M. Suzuki, T. Matsumura & H. Ageta. 1994. Fern constituent: A new triterpenoid hydrocarbon, trisnorhopane, isolated from the leaves of Dryopteris crassirhizoma and Gleichenia japonica. Chemical & Pharmaceutical Bulletin (Tokyo) 42(2): 377–378.

586. Shustov, V. Y., A. G. Ol'khovskaya, L. G. Dodina, M. R. Zaitseva & S. A. Inyakina. 1994. Features of the effect of ultrahigh frequency electromagnetic radiation and lead on workers: Phytotherapy of disorders. Meditsina Truda i Promyshlennaya Ekologiya 1: 21–22. [Russian; Field horsetail]

587. Singh, A. & S. Singh. 1994. Biomass evaluation of Azolla pinnata R. Brown under two natural habitats of Punjab, India. Indian Fern Journal 11(1–2): 167–172.

588. Singh, A. L. 1994. Use of Azolla–cyanobacterial symbiosis in rice culture. Pp. 95–118. In A. B. Prasad & A. Vaishampayan (Eds.). Biology and application of nitrogen–fixing organisms: Problems and prospects. Scientific Publishers, Jodhpur, India.

589. Singh, V. 1994. Herbal remedies for worm infestation in Kashmir Himalaya. Fitoterapia 65: 354–356. [Dryopteris filix mas]

590. Sipman, H. J. M. 1994. Foliicolous lichens on plastic tape. Lichenologist (London) 26(3): 311–312.

591. Skog, J. E. & D. L. Dilcher. 1994. Lower vascular plants of the Dakota Formation in Kansas and Nebraska, USA. Review of Palaeobotany and Palynology 80(1–2): 1–18.

592. Small, R. & R. J. Hickey. 1994. Systematics of the Isoetes karstenii A Br. species complex. American Journal of Botany 81 Suppl. 6: 132. [Abstract]

593. Smith, A. R. 1994. Phylogenetic hypotheses in pteridophytes based on non–molecular data. American Journal of Botany 81 Suppl. 6: 123. [Abstract]

594. Smith, B. L., A. A. Seawright, J. Ng, A. T. Hertle, J. A. Thomson & P. D. Bostock. 1994. Ptaquiloside in bracken ferns (Pteridium spp.) from eastern Australia and from a cultivated collection of bracken from world–wide sources. Pp. 45–50. In S. M. Colegate & P. R. Dorling (Eds.). Plant–associated toxins: Agricultural, phytochemical and ecological aspects; 4th International Symposium on Poisonous Plants, Fremantle, Western Australia, Australia, September 26–October 1, 1993. CAB International, Tucson, Arizona, USA.

595. Smith, B. L., A. A. Seawright, J. C. Ng, A. T. Hertle, J. A. Thomson & P. D. Bostock. 1994. Concentration of ptaquiloside, a major carcinogen in bracken fern (Pteridium spp.), from eastern Australia and from a cultivated worldwide collection held in Sydney, Australia. Natural Toxins 2(6): 347–353.

596. Smith, B. L., G. Shaw, A. Prakash & A. A. Seawright. 1994. Studies on DNA adduct formation by ptaquiloside, the carcinogen of bracken ferns (Pteridium spp.). Pp. 167–172. In S. M. Colegate & P. R. Dorling (Eds.). Plant–associated toxins: Agricultural, phytochemical and ecological aspects; 4th International Symposium on Poisonous Plants, Fremantle, Western Australia, Australia, September 26–October 1, 1993. CAB International, Tucson, Arizona, USA.

597. Snigirevskaya, N. S. & Y. S. Nadler. 1994. Habit and relationships of Orestovia (Middle Devonian). Palaeontographica Abteilung B Palaeophytologie 233(1–6): 11–18.

598. So, M.–l. 1994. Hong Kong Ferns. Urban Council, Hong Kong. 159 pp.

599. Soh, W. Y., K. D. Kang & S. S. Hong. 1994. Variation of vascular tissue patterns in the roots of Botrychium ternatum (Thumb.). Phytomorphology 44: 1–10.

600. Solaiman, M. Z., Z. H. Bhuiya, M. S. Hoque & M. Jahiruddin. 1994. Effect of Azolla and urea on yield of rice. Indian Journal of Agricultural Research 28(3): 149–153.

601. Solangaarachchi, S. M. & R. P. K. Dushyantha. 1994. Growth and branching of damaged Salvinia molesta. Journal of the National Science Council of Sri Lanka 22(3): 271–278.

602. Speck, T. 1994. A biomechanical method to distinguish between self–supporting and nonself–supporting fossil plants. Review of Palaeobotany and Palynology 81(1): 65–82.

603. Speck, T. & D. Vogellehner. 1994. Devonian land plants with and without hypodermal sterome– A biomechanical analysis with considerations concerning the early evolution of the conducting and stabilizing system. Palaeontographica Abteilung B Palaeophytologie 233(1–6): 157–227. [German]

604. Sper–Whitis, G. L., A. L. Russell & J. C. Vaughn. 1994. Mitochondrial RNA editing of cytochrome c oxidase subunit II (coxII) in the primitive vascular plant Psilotum nudum. Biochimica et Biophysica Acta 1218(2): 218–220. [Psilotum nudum]

605. Srinivasan, G. & S. Palaniappan. 1994. Effect of major weed species on growth and yield of rice (Oryza sativa) . Indian Journal of Agronomy 39(1): 13–15. [Marsilea minuta]

606. Srivastav, R. K., S. K. Gupta, K. D. P. Nigam & P. Vasudevan. 1994. Treatment of chromium and nickel in wastewater by using aquatic plants. Water Research 28(7): 1631–1638. [Salvinia molesta]

607. Srivastava, S. K. 1994. Palynology of the Cretaceous–Tertiary boundary in the Scollard Formation of Alberta, Canada, and global KTB events. Review of Palaeobotany and Palynology 83(1–3): 137–158.

608. Stamps, R. H. 1994. Comparison of field and shadehouse microclimate factors related to evaporation and crop transpiration. Hortscience 29(5): 504. [Abstract, Rumohra adiantiformis]

609. Stamps, R. H., T. A. Nell & J. E. Barrett. 1994. Production temperatures influence growth and physiology of leatherleaf fern. Hortscience 29(2): 67–70.

610. Stein, D. B. 1993. Isolating and comparing nucleic acids from land plants: Nuclear and other organellar genes. Meth. Enzymol 224: 153–167.

611. Stepanov, N. V. 1994. A new subspecies of Asplenium trichomanes (Aspleniaceae) from the western Sayan Mountains. Botanicheskii Zhurnal (St. Petersburg) 79(10): 91–98. [Russian]

612. Stepanov, N. V. 1994. Chromosome numbers in some nemoral species from the western Sayan Mountains in Krasnoyarsk Krai. Botanicheskii Zhurnal (St. Petersburg) 79(3): 125–128. [Russian]

613. Stetsenko, N. M. 1994. Characteristics of phloroglucinol derivatives of ferns. Ukrayins'kyi Botanichnyi Zhurnal 51(5): 100–105.

614. Stillman, R. A. & A. F. Brown. 1994. Population sizes and habitat associations of upland breeding birds in the south Pennines, England. Biological Conservation 69(3): 307–314. [Bracken]

615. Stolze, R. G. 1994. A new name in Diplazium. American Fern Journal 84(3): 102.

616. Stolze, R. G., L. Pacheco & B. Ollgaard. 1994. Polypodiaceae–Dryopteridoideae–Physematieae. Pp. 1–6. In G. Harling & L. Andersson (Eds.). Flora of Ecuador Volume 49.

617. Strasser, R. J. & A. Srivastava. 1994. Existence of a low light dependent mechanism which protects land plants from heat stress. Plant Physiology (Rockville) 105(1 Suppl.): 21. [Abstract, Salvinia natans]

618. Strenge, D. D., D. E. Soltis & P. S. Soltis. 1994. Geographic patterns of chloroplast DNA variation in the fern Polystichum munitum (Dryopteridaceae). American Journal of Botany 81 Suppl. 6: 190. [Abstract]

619. Sun, B. Y., T. J. Kim, J. H. Park & K. S. Kim. 1994. Spore morphology of some ophioglossaceous species. Journal of Plant Biology 37(1): 43–51. [Korean]

620. Svatos, A. & T. Macek. 1994. The rate of ecdysteroid production in suspension cultured cells of the fern Pteridium aquilinum. Phytochemistry (Oxford) 35(3): 651–654.

621. Svensson, B. M., B. Floderus & T. V. Callaghan. 1994. Lycopodium annotinum and light quality: growth responses under canopies of two Vaccinium species. Folia Geobot. Phytotax., Praha 29: 159–166.

622. Szmeja, J. 1994. Dynamics of the abundance and spatial organization of isoetid populations in an oligotrophic lake. Aquatic Botany 49: 19–32.

623. Szmeja, J. 1994. An individual's status in populations of isoetid species. Aquatic Botany 48: 203–224.

624. Szmeja, J. 1994. Effect of disturbances and interspecific competition in isoetid populations. Aquatic botany 48: 225–238.

625. Taeuber, T. 1994. Vegetation studies on a tank training area in the Lueneburger Heide nature reserve. Tuexenia 0(14): 197–228. [German; Isoetes nanojuncetea]

626. Takamiya, M. 1994. Karyomorphological studies on Selaginella in Japan. Pp. 213–220. In R. Tanaka (Ed.). Plant chromosome research. International Academic Publishers, Beijing.

627. Takamiya, M., M. Watanabe & K. Ono. 1994. Biosystematic studies of the genus Isoetes in Japan I. Variations of the somatic chromosome numbers. Journal of Plant Research 107: 289–297.

628. Takamiya, M., S. Yamaguchi, H. Nokita & K. Ono. 1994. Enzyme electrophoretic evidence for diploidy in Japanese Woodwardia japonica (L.f.) Sm. (Blechnaceae, Pteridophyte) with 2n equals 68. Plant Species Biology 9: 19–22.

629. Talbot, S. S. & S. L. Talbot. 1994. Numerical classification of the coastal vegetation of Attu Island, Aleutian Islands, Alaska. Journal of Vegetation Science 5(6): 867–876. [Athyrium filix-femina]

630. Tanaka, T., T. Katoh & Y. Fujita. 1994. Isolation of Pseudomonas plantarii, pathogen of bacterial seedling blight of rice, from the weeds around the paddy field. Annals of the Phytopathological Society of Japan 60: 640–643. [Japanese; Onoclea sensibilis]

631. Tang, X. C., G. H. Kindel, A. P. Kozikowski & I. Hanin. 1994. Comparison of the effects of natural and synthetic huperzine–A on rat brain cholinergic function in vitro and in vivo. Journal of Ethnopharmacology 44: 147–155. [Lycopodium serratum, Huperzia serrata]

632. Tang, X. C., H. Xu, J. Feng, T. X. Zhou & J. S. Liu. 1994. Effect of cholinesterase inhibition in vitro by huperzine analogs. Acta Pharmacologica Sinica 15(2): 107–110. [Huperzia serrata]

633. Tasyenkevych, L. O. & O. M. Stoiko. 1994. The relict location of Carex humilis Leyss. (Cyperaceae) in the Ukrainian Carpathians. Ukrayins'kyi Botanichnyi Zhurnal 51(6): 130–133. [Ukrainian; Phyllitis scolopendrium]

634. Taylor, T. N., G. M. Del Fueyo & E. L. Taylor. 1994. Permineralized seed fern cupules from the Triassic of Antarctica: implications for cupule and carpel evolution. American Journal of Botany 81 Suppl. 6: 666–677.

635. Taylor, W. A. 1994. Recognition and characterization of inner exospore wall layers in modern and fossil lycopsids–the mesospore. Grana 33(1): 44–48.

636. Taylor, W. C. 1994. 1993 International Botanical Congress Excursion to Yaku Island. Hardy Fern Foundation Newsletter 4(2): 12–15. [Japan]

637. Tel–Or, E. 1994. Environmental application of Azolla for heavy metal biofiltration. Abstracts of Papers American Chemical Society 207(1–2): BTEC 36. [Abstract]

638. Tenchov, Y. & M. Yordanov. 1994(1995). Quantitative biostratigraphic correlation based on fossil megaflora from Dobrudzha Coal Deposit–Upper Carboniferous: I. Methods, notation and formalization of data. Geologica Balcanica 24(4): 3–20.

639. Ter Braak, C. J. F. & J. Wiertz. 1994. On the statistical analysis of vegetation change: A wetland affected by water extraction and soil acidification. Journal of Vegetation Science 5(3): 361–372. [Ophioglossum vulgatum]

640. Thoni, C. & E. Schnepf. 1994. Nuclear and organelle DNA replication during spore germination in bryophytes and Equisetum. Botanica Acta 107(4): 210–217.

641. Thurley, T. & B. D. Ben. 1994. Habitat distribution and predation on a western population of terrestrial Leiopelma (Anura: Leiopelmatidae) in the northern King Country, New Zealand. New Zealand Journal of Zoology 21(4): 431–436. [Blechnum discolor, Cyathea smithii]

642. Tidwell, W. D. 1994. Ashicaulis, a new genus for some species of Millerocaulis (Osmundaceae). SIDA Contributions to Botany 16: 253–261.

643. Tidwell, W. D. & S. R. Ash. 1994. A Review of Selected Triassic to Early Cretaceous Ferns. Journal of Plant Research 107(1088): 417–442.

644. Tobolski, K. & T. Litt. 1994. Pre–Alleroed lacustrine deposits in "Greater Poland". Pp. 487–496. In A. F. Lotter & B. Ammann (Eds.). Dissertationes Botanicae, Vol. 234. A festschrift for Gerhard Lang: Contributions to the systematics and evolution, floristics and geobotany. J. Cramer in der Gebrueder Borntraeger Verlagsbuchhandlung, Berlin. [German; Selaginella selaginoides]

645. Tolhurst, K. G. & M. Burgman. 1994. Simulation of bracken cover in forested area in Victoria in response to season, overstorey and fire conditions. Australian Journal of Ecology 19(3): 306–318.

646. Trinajstic, I. 1994. Vegetation of the class Parietarietea judaicae Rivas–Martinez in Rivas–Goday 1955 in Croatia. Acta Botanica Croatica 53: 95–99. [Serbo–Croatian]

647. Tryon, A. F. 1993–1996. Know Florida's ferns, floristic treatments of 40 genera of ferns. Tampa Bay Fern Club, Forum for Fern Fanciers.

648. Tryon, R. M. & R. G. Stolze. 1994. Pteridophyta of Peru Part VI: 22. Marsileaceae–28. Isoetaceae. Fieldiana Botany 34: 1–123.

649. Tsudzuki, J., S. Ito, T. Tsudzuki, T. Wakasugi & M. Sugiura. 1994. A new gene encoding tRNA–Pro (GGG) is present in the chloroplast genome of black pine: A compilation of 32 tRNA genes from black pine chloroplasts. Current Genetics 26(2): 153–158. [Angiopteris lygodiifolia]

650. Tuomisto, H. 1994. Ecological variation in the rainforests of Peruvian Amazonia: integrating fern distribution patterns with satellite imagery. Reports from the Department of Biology, University of Turku, Findland, 45

651. Tuomisto, H. 1994. Fern communities in Amazonian rain forests. Symposium on Community Ecology and Conservation Biology, Bern, August 14–18 [Abstract]

652. Tuomisto, H. & K. Ruokolainen. 1994. Distribution of Pteridophyta and Melastomataceae along an edaphic gradient in an Amazonian rain forest. Journal of Vegetation Science 5(1): 25–34.

653. Turnau, E., V. I. Avchimovitch, T. V. Byvscheva, G. Clayton, K. T. Higgs & B. Owens. 1994. Taxonomy and stratigraphical distribution of Verrucosisporites nitidus Playford, 1964 and related species. Review of Palaeobotany and Palynology 81(2–4): 289–295.

654. Turner, I. M. 1994. The taxonomy and ecology of the vascular plant flora of Singapore: A statistical analysis. Botanical Journal of the Linnean Society 114(3): 215–227.

655. Turner, I. M., H. T. W. Tan & K. S. Chua. 1994. Additions of the flora of Singapore, II. Gardens' Bulletin (Singapore) 46(2): 131–135.

656. Turner, J. C. & S. L. Vernon. 1994. Rainforest stands between Barrington Tops and the Hunter River, New South Wales. Cunninghamia 3(3): 465–514.

657. Turner, N., E. Spinner, F. Spode & P. B. Wignall. 1994. Palynostratigraphy of a Carboniferous transgressive systems tract from the earliest Alportian (Namurian) of Britain. Review of Palaeobotany and Palynology 80(1–2): 39–54.

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694. Waldren, S. 1994. The current status of Asplenium septentrionale (L.) Hoffm in West Galway. Irish Naturalists' Journal 24: 492–495.

695. Walker, L. R. 1994. Effects of fern thickets on woodland development on landslides in Puerto Rico. Journal of Vegetation Science 5(4): 525–532.

696. Walker, L. R. & G. H. Aplet. 1994. Growth and fertilization responses of Hawaiian tree ferns. Biotropica 26(4): 378–383.

697. Wang, Z. R. 1994. New taxa of Athyriaceae from Hengduan Mountains, China. Acta Phytotaxonomica Sinica 32(1): 82–92.

698. Wang, Z. R. 1994. Allozyme analysis in studies of plant genetic diversity and systematics. Chinese Biodiversity 2(1): 91–95.

699. Wang, Z. R. 1994. The genetic basis of allozyme analysis. Chinese Biodiversity 2(3): 149–156.

700. Wang, Z. R. 1994. The genetic basis of allozyme analysis. Chinese Biodiversity 2(4): 213–219.

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705. Wester, L. 1994. Weed management and the habitat protection of rare species: A case study of the endemic Hawaiian fern Marsilea villosa. Biological Conservation 68(1): 1–9.

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707. Whittier, D. P. & J. E. Braggins. 1994. Spore germination in the Psilotaceae. Canadian Journal of Botany 72(5): 688–692.

708. Williams, J. P., D. R. St Laurent, D. Friedrich, E. Pinard, B. A. Roden & L. A. Paquette. 1994. Total synthesis of the Lycopodium alkaloids magellanine and magellaninone by three–fold annulation of 2–cyclopentenone. Journal of the American Chemical Society 116(11): 4689–4696.

709. Williams, P. H. & K. J. Gaston. 1994. Measuring more of biodiversity: Can higher–taxon richness predict wholesale species richness? Biological Conservation 67(3): 211–217.

710. Windisch, P. G. 1994. Pteridofitas do estado de Mato Grosso: Gleicheniaceae. Bradea VI(37): 304–311.

711. Wolf, P. G. 1994. Relationships among genera in the Dennstaedtiaceae and Lindsaeaceae based on gene sequence variation. American Journal of Botany 81 Suppl. 6: 123–124. [Abstract]

712. Wolf, P. G., P. S. Soltis & D. E. Soltis. 1994. Phylogenetic relationships of dennstaedtioid ferns: Evidence for rbcL sequences. Molecular Phylogenetics and Evolution 3(4): 383–392.

713. Wolff, P., H. Diekjobst & A. Schwarzer. 1994. Sociology and ecology of Lemna minuta H., B. and K. in Central Europe. Tuexenia 14: 343–380. [German; Azolla filiculoides]

714. Wollenweber, E., S. Armbruster & J. N. Roitman. 1994. A herbacetin methyl ether from the farinose exudate of a Pentagramma triangularis hybrid. Phytochemistry (Oxford) 37(2): 455–456.

715. Woodward, A., E. G. Schreiner, D. B. Houston & B. B. Moorhead. 1994. Ungulate–forest relationships in Olympic National Park: Retrospective exclosure studies. Northwest Science 68(2): 97–110.

716. Woolf, G. M., L. M. Petrovic, S. E. Rojter, S. Wainwright, F. G. Villamil, W. N. Katkov, P. Michieletti, I. R. Wanless, F. R. Stermitz, J. J. Beck & J. M. Vierling. 1994. Acute Hepatitis Associated with the Chinese Herbal Product Jin Bu Huan. Annals of Internal Medicine 121: 729–735. [Lycopodium serratum]

717. Worobiec, G. 1994. Upper Miocene fossil plants from the outcrop of Stare Bystre (Western Carpathians, Poland). Acta Palaeobotanica 34: 83–105.

718. Wu, S. 1994. Some new recorded plants of Athyriaceae from Hunan. Journal of Wuhan Botanical Research 12(4): 327–332.

719. Wu, S. & W. Zhang. 1993. The areal types and floristic characteristics of fern genera in China. Investigatio et Studium Naturae 13: 63–78.

720. Xiang, L.–L. 1994. A taxonomical study of the genus Polystichum Roth section haplopolystichum Tagawa from Yunnan. Acta Phytotaxonomica Sinica 32: 258–267. [Chinese]

721. Yadav, B. L. & T. N. Bhardwaja. 1994. Effect of hyperthermia on cell membrane permeability of Ophioglossum L. Indian Fern Journal 11(1–2): 94–96.

722. Yang, P. Y., H. Chen & T. Ma. 1994. Development of a land limited wastewater treatment plant for small and rural communities in the tropics. Water Science and Technology 29: 1–12. [Salvinia molesta]

723. Yarborough, D. E. & T. M. Hess. 1994. Weed thresholds by mechanical and chemical controls in wild blueberries. Hortscience 29(5): 565. [Abstract; Fern]

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725. Yasmeen & S. K. Saxena. 1994. Leaf surface mycoflora of some ferns. Proceedings of the National Academy of Sciences India Section B (Biological Sciences) 64(3): 331–334.

726. Yasuf, U. K. 1994. Flavonoid glycosides in the fern Blechnum orientale Linn. American Fern Journal 84(2): 69–70.

727. Yatsuhashi, H. & R. Scheuerlein. 1994. Ca–2+ requirement in phytochrome–mediated rhizoid growth in Dryopteris filix–mas. Biologia Plantarum (Prague) 36 (Suppl.): S122. [Abstract]

728. Yazvenko, S. B. 1994. Holocene pollen record from a peatland in the West Caucasus, Abkhasia, Black Sea region. Journal of Paleolimnology 12(1): 65–74.

729. Yin, F. J. 1994. Late Triassic palynofloras from the Huangshanjie and Haojiagou in the Turpan–Hami Basin, Xinjiang and their significance. Acta Micropalaeontologica Sinica 11: 239–248. [Chinese]

730. Yoshida, M. & T. Saito. 1994. Acute toxicity of braxin C, a bracken toxin, in guinea pigs. Journal of Toxicological Sciences 19(1): 17–23.

731. Yoshida, M. & T. Saito. 1994. Non–urotoxic induction of hemorrhagic cystitis by braxin C, a bracken toxin, in guinea pigs. Journal of Toxicological Sciences 19(2): 55–59.

732. Yusuf, K. 1994. Leaf flavonoids in the Malaysian Coryphopteris gymnopoda (Baker) Holtt (Thelypteridaceae). American Fern Journal 84: 131.

733. Zaidel'man, F. R., M. V. Bannikov & A. P. Shvarov. 1994. Pseudofibres in light textured soils with varying hydromorphism rate in Polessie landscapes. Pochvovedenie 19–29. [Russian; Pteridium aquilinum]

734. Zambatis, N. 1994. Ferns and flowering plants of Klaserie Private Nature Reserve, eastern Transvaal: An annotated checklist. Bothalia 24(1): 37–53.

735. Zastawniak, E. 1994. Upper Cretaceous leaf flora from the Blaszyk Moraine (Zamek Formation), King George Island, South Shetland Islands, West Antarctica. Acta Palaeobotanica 34(2): 119–163.

736. Zechmeister, H. & L. Mucina. 1994. Vegetation of European springs: High–rank syntaxa of the Montio–Cardaminetea. Journal of Vegetation Science 5(3): 385–402.

737. Zenkteler, E. & S. C. Brown. 1994. A cytometric evaluation of regenerative potency in polysomatic rhizome explants of Matteuccia struthiopteris L. Tod. . 7th Polish conference of plant tissue culture, Ustron 21–23 September: 63. [Abstract]

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740. Zhang, G. & Z. Li. 1994. Isolation and purification of megasporocarp and microsporangium in Azolla. Acta Botanica Sinica 36(Suppl.): 227–229. [Chinese]

741. Zhang, G. B., M. Y. Wang, J. Q. Zheng & X. C. Tang. 1994. Facilitation of cholinergic transmission by huperzine A in toad paravertebral ganglia in vitro. Acta Pharmacologica Sinica 15(2): 158–161. [Chinese, Huperzia serrata]

742. Zhang, H. Q. & B. X. Wu. 1994. Treatment of dentine hypersensitivity with traditional Chinese medicines. Archives of Oral Biology 39 Suppl.: 136S.

743. Zhang, L.–B. 1994. A taxonomic study on the fern genus Polystichum sect. Metapolystichum from Sichuan, China. Acta Botanica Yunnanica 16(2): 131–138. [Chinese]

744. Zhang, L. B. & H. S. Kung. 1994. Study on the spore morphology of Chinese Sect Metapolystichum. Acta Botanica Yunnanica 16: 273–278. [Chinese]

745. Zhang, T. M., Z. J. Hu & M. Zhang. 1994. Study of Chinese herbal drugs against coxsackie B1, B3, B4 virus in cell culture. Antiviral Research 23 Suppl. 1: 120. [Abstract, Pyrrosia sheareri]

746. Zhang, T. M., Z. J. Hu & M. Zhang. 1994. Study of Chinese herbal drugs against epidemic hemorrhagic fever virus in cell culture. Antiviral Research 23 Suppl. 1: 120. [Abstract, Pyrrosia sheareri]

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748. Zhang, X.–C. & L. Shi. 1994. Notes on Aleuritopteris Fee from China. Acta Phytotaxonomic Sinica 23(1): 93–97.

749. Zhifeng, G. & B. A. Thomas. 1994. A new species of Discinites from the Lower Permian of China. Review of Palaeobotany and Palynology 81(2–4): 185–192.

750. Zhou, F. & X. Zhang. 1994. Studies on the quality evaluation of three kinds of Rhizoma Drynariae. Zhongguo Zhongyao Zazhi 19(5): 261–263, 318. [Chinese]

751. Zhou, T. & R. Zhou. 1994. Studies on the liposoluble component from Rhizomes of Drynaria fortune. Chinese traditional and herbal drugs 25(4): 175.

752. Zhu, D. Y., S. H. Jiang, M. F. Huang, L. Z. Lin & G. A. Cordell. 1994. Huperserratinine from Huperzia serrata. Phytochemistry (Oxford) 36(4): 1069–1072.

753. Zimmer, B. & W. Greuter. 1994. Proposal to reject the name Asplenium ramosum L. (Pteridophyta). Taxon 43(2): 303–304.

754. Zimmerman, W. J., C. J. Simon, I. Watanabe & K. Krawczyk. 1994. Collection of Azolla microphylla in Paraguay and its characterization by allozymes and DNA–RAPDs. American Fern Journal 84(3): 86–93.

755. Zotz, G. & K. Winter. 1994. Predicting annual carbon balance from leaf nitrogen. Naturwissenschaften 81: 449. [Polypodium crassifolium]

756. Zotz, G. & K. Winter. 1994. Annual carbon balance and nitrogen–use efficiency in tropical C–3 and CAM epiphytes. New Phytologist 126(3): 481–492.