Pteridologia was the occasional monograph series of the American Fern Society that included longer works on a broad range of topics concerning ferns and fern-allies. The publication of new volumes in this series was discontinued in 2015. However, the earlier volumes are still available.

Prices shown in the list below are per copy and do not include postage and handling. Members in good standing of the American Fern Society receive a 10% discount from the list prices. Orders may be placed through our authorized agent for sales at: Missouri Botanical Garden Press, P.O. Box 299, St. Louis, MO 63166-0299 U.S.S.; tel. 314-577-9534 or 877-271-1930 (toll free); online at

Book dealers receive a 40% discount. For information and orders, please contact: American Fern Society, attention:  George Yatskievych, Plant Resources Center, University of Texas at Austin, Main Building Rm 127, 110 Inner Campus Dr, Stop F0404, Austin, TX 78712-1711, U.S.A. tel. 512-471-5904; e-mail George Yatskievych.

The following volumes are currently available for purchase:

Pteridologia 4: Hirai, Regina Y., and Jefferson Prado. 2012. Monograph of Moranopteris (Polypodiaceae). 113 pp. $28.00. ISBN 978-0-615-72712-7.

Pteridologia 3: Lellinger, David B. 2002. A Modern Multilingual Glossary for Taxonomic Pteridology. 263pp. $28.00. ISBN 0-933500-02-5.

Pteridologia 2A: Lellinger, David B. 1989. The Ferns and Fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). 364pp. $32.00. ISBN 0-933500-01-7. Regrettably, Part B was never completed by the author and there are no current plans to publish the remainder of this floristic work.

Pteridologia 1: Wagner, David H. 1979. Systematics of Polystichum in Western North America North of Mexico. 64pp. ISBN 0-933500-00-9. $10.00. ISBN 0-933500-01-7.

Banner image (Pleopeltis conzattii) by Tom Ballinger.