American Fern Society
Ira L. Wiggins, Warren H. Wagner, Jr., Ronald L. McGregor, W. H. Horr, Ellen S. Duncan, Mildred E. Faust, R. C. Lommasson and Dorothea LuhrVolume:
48
Language:
english
Journal:
American Fern Journal
DOI:
10.2307/1544901
Date:
April, 1958
File:
PDF, 2.16 MB
english, 1958