| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Mortonia scabrella A.Gray | V. Rattan s.n. 1866 | United States of America. California. | 337467 |  | |
| Mortonia scabrella A.Gray | M. Madsen 1317 with D. Atwood, 31 Mar 2001 | United States of America. Arizona. Mohave Co. Whitmore Overlook. Lake Mead National Monument. | 01000996 |  |