American Fern Society
Ira L. Wiggins, Mildred E. Faust, Ronald L. McGregor, Emily L. Hartman, W. H. Horr, Rolla Tryon, Benjamin R. Allison and Kathryn BoydstonVolume:
47
Language:
english
Journal:
American Fern Journal
DOI:
10.2307/1545401
Date:
April, 1957
File:
PDF, 1.10 MB
english, 1957