External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:87579-2
- Publication
- West American Scientist. [Society of Natural History]. San Diego
- Collation
- 2(16): 46 (-47; t. s.n.)
- Date of Publication
- Jun 1886
- Family as entered in IPNI
- Cactaceae
Type Information
- Locality
- Palm valley, Lower California. H. C. and C. R. Orcutt, May 29, 1883 ... Occasionally found with E. viridescens at San Diego.
- Distribution Of Types
- Mexico (Northern America)
United States of America (Northern America)