Penstemon gairdneri subsp. oreganus (A.Gray) D.D.Keck

, Amer. Midl. Naturalist 23: 596 (1940). BHL
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:187415-2
Publication
American Midland Naturalist; devoted to natural history, primarily that of the prairie states.
Collation
23: 596
Family as entered in IPNI
Scrophulariaceae

Links

Nomenclatural link
Penstemon gairdneri var. oreganus A.Gray, Syn. Fl. N. Amer., ed. 2. 2(1): 441 (1886).