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American Fern Society
Robert C. Lommasson, Lenette R. Atkinson, Richard L. Hauke, Elmer A. Palmatier, John T. Mickel and Warren H. Wagner, Jr.Volume:
54
Language:
english
Journal:
American Fern Journal
DOI:
10.2307/1547097
Date:
April, 1964
File:
PDF, 970 KB
english, 1964