External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:808209-1
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- xx. 370 (1920).
- Family as entered in IPNI
- Scrophulariaceae
Original Data
- Remarks
- U.S.A. (Utah)
Links
- Duplicate citation of
- Penstemon obtusifolius Pennell, Contr. U.S. Natl. Herb. 20: 370 (1920).