Penstemon attenuatus var. palustris (Pennell) Cronquist

, Vasc. Pl. Pacif. N. W. [C.L. Hitchcock & al.] 4: 373 (1959).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:187174-2
Species Name
Penstemon attenuatus Douglas
Publication
Vascular Plants of the Pacific Northwest. Seattle
Collation
4: 373
Family as entered in IPNI
Scrophulariaceae

Links

Nomenclatural link
Penstemon palustris Pennell, Notul. Nat. Acad. Nat. Sci. Philadelphia no. 71: 8 (1941).