Penstemon triphyllus subsp. diphyllus D.D.Keck

, Univ. Calif. Publ. Bot. 16: 422 (1932).
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:187830-2
Species Name
Penstemon triphyllus Douglas, Edwards's Bot. Reg. 15: t. 1245 (1829).
Publication
University of California Publications in Botany. Berkeley, CA
Collation
16: 422
Family as entered in IPNI
Scrophulariaceae

Links

Nomenclatural link
Penstemon diphyllus Rydb., Mem. New York Bot. Gard. 1: 349 (1900).