External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187841-2
- Publication
- Leaflets of Botanical Observation and Criticism. Washington, DC
- Collation
- 1: 200
- Family as entered in IPNI
- Scrophulariaceae
Links
- Nomenclatural link
- Penstemon ellipticus Greene, Leafl. Bot. Observ. Crit. 1: 167 (1906).
- Nomenclatural link
- Penstemon ellipticus Greene & Fisher
- Same citation as
- Penstemon vaseyanus Greene, Leafl. Bot. Observ. Crit. 1(4): 200 (1906).