Reference:Tryon1941a
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Verbatim text: Tryon, R. M. 1941. A revision of the genus Pteridium. Rhodora 43: 1--31, 37--67.
Author: Tryon, R.M.
Year: 1941
Title: A revision of the genus Pteridium
Journal: Rhodora
Volume: 43
Pages: 1–31