- IPNI Life Sciences Identifier (LSID)
- Darwiniana; Carpeta del Darwinion. Buenos Aires
- 24(1-4): 448
- Family as entered in IPNI
- Distribution Of Types
- Uruguay (Southern South America, Southern America)
Kiesling ascribed C. uruguayanus to Ritter and referred to Piptanthocereus uruguayanus Ritter, an invalidly published name. Since Ritter's epithet is in a different genus, Kiesling's ascription to Ritter is an error.