Penstemon caespitosus var. perbrevis (Pennell) N.H.Holmgren

, Brittonia 31: 104 (1979).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:187229-2
Publication
Brittonia; a Series of Botanical Papers. New York, NY
Collation
31: 104
Family as entered in IPNI
Scrophulariaceae

Links

Nomenclatural link
Penstemon caespitosus subsp. perbrevis Pennell, Contr. U.S. Natl. Herb. 20: 375 (1920).
Same citation as
Penstemon caespitosus var. perbrevis (Pennell) N.H.Holmgren, Brittonia 31(1): 104 (1979).