Penstemon cardinalis subsp. regalis (A.Nelson) G.T.Nisbet
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1059112-2
- Species Name
- Penstemon cardinalis Wooton & Standl., Contr. U.S. Natl. Herb. 16: 171 (1913).
- Family as entered in IPNI
- Scrophulariaceae