Downingia bicornuta var. bicornuta McVaugh
, Mem. Torrey Bot. Club 19, no. 4: 27 (1941).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:83336-2
- Publication
- Memoirs of the Torrey Botanical Club
- Collation
- 19, no. 4: 27
- Family as entered in IPNI
- Campanulaceae