Athyrium distentifolium var. americanum (Butters) Cronquist

, Vasc. Pl. Pacif. N. W. [C.L. Hitchcock & al.] 1: 63 (1969).
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External links to taxonomic opinions:
WFO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:26127-2
Species Name
Athyrium distentifolium Tausch ex Opiz, Kratos 2(1): 14 (1820).
Publication
Vascular Plants of the Pacific Northwest. Seattle
Collation
1: 63
Family as entered in IPNI
Woodsiaceae

Links

Basionym
Athyrium alpestre var. americanum Butters, Rhodora 19(225): 204 (203-204) (1917).
Isonym of
Athyrium distentifolium var. americanum (Butters) B.Boivin, Naturaliste Canad. 93(3): 272 (1966).