Athyrium americanum (Butters) Maxon

, Amer. Fern J. 8(4): 120 (1919). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:26100-2
Publication
American Fern Journal; a quarterly devoted to ferns.
Collation
8(4): 120
Date of Publication
dt. 1918; issued 11 Jan 1919
Family as entered in IPNI
Woodsiaceae

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Basionym
Athyrium alpestre var. americanum Butters, Rhodora 19(225): 204 (203-204) (1917).
Same citation as
Athyrium americanum (Butters) Maxon, Amer. Fern J. 8: 120 (1918).