Penstemon schaffneri (Hemsl.) Straw

, Brittonia 15: 56 (1963).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:187761-2
Publication
Brittonia; a Series of Botanical Papers. New York, NY
Collation
15: 56
Family as entered in IPNI
Scrophulariaceae

Links

Nomenclatural link
Penstemon baccharifolius var. schaffneri Hemsl., Biol. Cent.-Amer., Bot. 6: 443 (1882).
Same citation as
Penstemon schaffneri (Hemsl.) Straw, Brittonia 15: 56 (1963).