Penstemon attenuatus subsp. palustris (Pennell) D.D.Keck
, Amer. Midl. Naturalist 33: 171 (1945). BHL- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187173-2
- Publication
- American Midland Naturalist; devoted to natural history, primarily that of the prairie states.
- Collation
- 33: 171
- Family as entered in IPNI
- Scrophulariaceae