Penstemon spectabilis var. subviscosus (D.D.Keck) McMinn
, Man. Calif. Shrubs 513 (1939).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187788-2
- Publication
- Illustrated Manual of California Shrubs. Berkeley, CA
- Collation
- 513
- Family as entered in IPNI
- Scrophulariaceae