Our native ferns and their allies with synoptical descriptions of the American pteridophyta north of Mexico Underwood, Lucien Marcus, 1853-1907 creator text book New York H. Holt 1900 1900 6th ed., rev.
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ENG Includes glossary. Includes bibliographies at the end of each chapter. Ferns United States FC 02 0203 no. 37362 AEU 587/.31 CIHM/ICMH microfiche series, no. 37362 https://www.biodiversitylibrary.org/bibliography/47109 0665373627 317712732 10.5962/bhl.title.47109 CaOOCIHM