Penstemon sect. Caespitosi (Rydb.) Pennell
, Contr. U.S. Natl. Herb. 20(pt. 9): 327, 334 (1920).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:60470336-2
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 20(pt. 9): 327, 334
- Date of Publication
- Aug 1920
- Family as entered in IPNI
- Scrophulariaceae