| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Canotia holacantha Torr. | C. R. Annable 3983 25 May 1999 | United States of America. Arizona. Yavapai Co. NW of Bridgeport, on USFS Rd 761, 3km N of Hwy 89A. | 201582 |  | |
| Canotia holacantha Torr. | J. M. Bigelow 27 Aug 1854 | United States of America. White Cliff Creek. | holotype | 337308 |  |
| Canotia holacantha Torr. | J. M. Bigelow 15 Feb 1852 & 27 Jan 1854 | United States of America. Near Bill ... Fork; Near White Cliff Creek. | holotype | 337309 |  |