- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187125-2
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 20: 367
- Family as entered in IPNI
- Scrophulariaceae
Type Information
- Collector Team
- F.W.Pennell 5918
- Type Herbaria
- holotype NY
- Distribution Of Types
- Wyoming (Northwestern U.S.A., Northern America)
Links
- Nomenclatural link
- Penstemon rydbergii var. aggregatus (Pennell) N.H.Holmgren, Brittonia 31: 106 (1979).
- Nomenclatural link
- Penstemon rydbergii subsp. aggregatus (Pennell) D.D.Keck, Amer. Midl. Naturalist 33: 158 (1945).
- Same citation as
- Penstemon aggregatus Pennell, Contr. U.S. Natl. Herb. xx. 367 (1920).