https://doi.org/10.2307/1544111 • https://www.jstor.org/stable/1544111 Copy URL ...
Vol. 80, No. 4, Symposium on Population Biology of Ferns (Oct. - Dec., 1990), pp. 173-182 (10 pages) The American Fern Journal, a quarterly, international, scholarly journal that includes research ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
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