Penstemon leiophyllus var. francisci-pennellii (Crosswh.) N.H.Holmgren
, Intermount. Fl. [Cronquist et al.] 4: 432 (1984).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:282307-2
- Publication
- Intermountain Flora; vascular plants of the Intermountain West, U.S.A. New York
- Collation
- 4: 432
- Family as entered in IPNI
- Scrophulariaceae