External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1055254-2
- Family as entered in IPNI
- Scrophulariaceae
Links
- Nomenclatural link
- Penstemon glaucus var. stenosepalus A.Gray, Proc. Amer. Acad. Arts 6: 70 (1862).
- Duplicate citation of
- Penstemon stenosepalus Howell, Fl. N.W. Amer. [Howell] 1: 514 (1901).