- IPNI Life Sciences Identifier (LSID)
- Plantae Novae Thurberianae: the characters of some new genera and species of plants in a collection made by George Thurber, of the late Mexican Bounday Commission, chiefly in New Mexico and Sonora.Cambridge, Mass.
- Family as entered in IPNI
- Type Name
- E. bellioides A. Gray
Mem. Amer. Acad. Arts n.s., 5: 320. post May 1855