External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77148754-1
- Publication
- Madrono; Journal of the California Botanical Society
- Collation
- 62(1): 63
- Date of Publication
- 12 Feb 2015
- Family as entered in IPNI
- Cactaceae
Type Information
- Collector Team
- Rebman & S.Villarreal 5329
- Locality
- Southeast of El Rosario: along Highway 1, 11.4 miles north of the road to Los Mártires
- Collection Date
- 4 Jun 1998
- Type Herbaria
- holotype SD 143386
isotype ASU 229797
isotype BCMEX 11133 - Latitude
- 30° 2' 17" N
- Longitude
- 115° 30' 48" W
- Distribution Of Types
- Baja California (Mexico Northwest, Mexico, Northern America)
Remarks
Named for Mary and Dallas Clark.