Penstemon pachyphyllus var. congestus (Jones) N.H.Holmgren

, Brittonia 31: 105 (1979).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:187629-2
Publication
Brittonia; a Series of Botanical Papers. New York, NY
Collation
31: 105
Family as entered in IPNI
Scrophulariaceae

Links

Nomenclatural link
Penstemon acuminatus var. congestus M.E.Jones, Proc. Calif. Acad. Sci. ser. 2, 5: 714 (1895).
Same citation as
Penstemon pachyphyllus var. congestus (M.E.Jones) N.H.Holmgren, Brittonia 31(1): 105 (1979).
Same citation as
Penstemon pachyphyllus var. congestus (M.E.Jones) N.H.Holmgren