Penstemon speciosus Douglas
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187780-2
- Family as entered in IPNI
- Scrophulariaceae
Links
- Nomenclatural link
- Penstemon glaber var. speciosus (Douglas) Rydb.
- Nomenclatural link
- Penstemon glaber f. speciosus (Douglas) Voss
- Nomenclatural link
- Penstemon glaber var. speciosus (Douglas) Regel, Gartenflora 24: 34 (1875).
- Nomenclatural link
- Penstemon glaber var. speciosus Rydb., Mem. New York Bot. Gard. 1: 344 (1900).
- Duplicate citation of
- Penstemon speciosus Douglas, Edwards's Bot. Reg. 15: t. 1270 (1829).