External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187682-2
- Publication
- University of California Publications in Botany. Berkeley, CA
- Collation
- 9: 325
- Family as entered in IPNI
- Scrophulariaceae
Links
- Nomenclatural link
- Penstemon geniculatus Greene, Pittonia 3(18): 310 (1898).