Our native ferns and their allies : with synoptical descriptions of the American Pteridophyta north of Mexico Underwood, Lucien Marcus, 1853-1907 Our native ferns and how to study them. creator Underwood, Lucien Marcus, 1853-1907 contributor text book Bloomington, Ill Leader Pub. Co 1882 1881 2nd and enl. ed.
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ENG Previous ed.: Our native ferns and how to study them. Ferns North America QK525 .U52 https://www.biodiversitylibrary.org/bibliography/58550 594072 05031035 10.5962/bhl.title.58550