Penstemon confertus var. procerus (Douglas ex Graham) Coville
, Contr. U.S. Natl. Herb. 4: 169 (1893). BHL- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187296-2
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 4: 169
- Family as entered in IPNI
- Scrophulariaceae
Nomenclatural Notes
as Pentstemon