Penstemon heterophyllus var. purdyi (D.D.Keck) McMinn

, Man. Calif. Shrubs 518 (1939).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:187540-2
Publication
Illustrated Manual of California Shrubs. Berkeley, CA
Collation
518
Family as entered in IPNI
Scrophulariaceae

Links

Nomenclatural link
Penstemon heterophyllus subsp. purdyi D.D.Keck, Univ. Calif. Publ. Bot. 16: 409, fig. 15 (1932).