- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187575-2
- Species Name
- Penstemon laetus A.Gray, Proc. Boston Soc. Nat. Hist. 7: 147 (1859).
- Publication
- University of California Publications in Botany. Berkeley, CA
- Collation
- 16: 393
- Family as entered in IPNI
- Scrophulariaceae