External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187200-2
- Publication
- Vilmorin's Blumengärtnerei Beschreibung, Kultur und Verwendung des Gesamten Pflanzenmaterials fur Deutsche Garten. Dritte, neubearbeite Auflage ... Berlin
- Collation
- 1: 766
- Family as entered in IPNI
- Scrophulariaceae
Nomenclatural Notes
as Pentastemon
Links
- Nomenclatural link
- Penstemon torreyi Benth. in DC.
- Same citation as
- Penstemon barbatus f. torreyi (Benth. ex DC.) Voss