Penstemon pseudospectabilis subsp. bicolor (Brandegee) D.D.Keck
, Amer. Midl. Naturalist 18: 806 (1937). BHL- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187702-2
- Publication
- American Midland Naturalist; devoted to natural history, primarily that of the prairie states.
- Collation
- 18: 806
- Family as entered in IPNI
- Scrophulariaceae