- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1011904-2
- Family as entered in IPNI
- Scrophulariaceae
Links
- Nomenclatural link
- Penstemon caudatus A.Heller, Minnesota Bot. Stud. 2: 34 (1898).
- Duplicate citation of
- Penstemon angustifolius var. caudatus Rydb., Bull. Torrey Bot. Club 33: 151 (1906).