| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Holacantha emoryi A.Gray | Maj. W. H. Emory s.n. 1846 | Mt Gila. | 02515812 |  | |
| Holacantha emoryi A.Gray | M. E. Jones 24964 16 Sep 1929 | United States of America. California. Hayfields, near Desert Center. | 2515813 |  | |
| Holacantha emoryi A.Gray | C. G. Pringle s.n. 18 Jun 1882 | United States of America. Arizona. Pinal Co. Maricopa. | 2515814 |  | |
| Holacantha emoryi A.Gray | C. G. Pringle s.n. 18 Jun 1882 | United States of America. Arizona. Pinal Co. Maricopa. | 2515815 |  | |
| Holacantha emoryi A.Gray | Collector unspecified s.n. | MBS. | 2515816 |  | |
| Holacantha emoryi A.Gray | R. Moran 13138 22 May 1966 | United States of America. California. Imperial Co. on route 98, 6½ miles SE of Coyote Wells. | 2515817 |  | |
| Holacantha emoryi A.Gray | R. V. Moran 13138 22 May 1966 | United States of America. California. Imperial Co. on route 98, 6½ miles SE of Coyote Wells. | 2515818 |  | |
| Holacantha emoryi A.Gray | R. S. Ferris 2220 with Carl D. Duncan, 13 Jun 1921 | United States of America. California. San Bernardino Co. 8 mi. west of Sudlow. | 2515819 |  | |
| Holacantha emoryi A.Gray | C. G. Pringle s.n. 18 Jun 1882 | United States of America. Arizona. Pinal Co. Maricopa. | 2515821 |  | |
| Holacantha emoryi A.Gray | J. W. Toumey s.n. | United States of America. Arizona. Pinal Co. Maricopa. | 2515822 |  | |
| Holacantha emoryi A.Gray | D. Griffiths s.n. 1900 | United States of America. Arizona. Between Mesa + Florence. | 2515823 |  | |
| Holacantha emoryi A.Gray | D. J. Pinkava 10062 02 Feb 1973 | United States of America. Arizona. Yuma Co. East of and along Rte 80, 8 mi E of Tacna. | 2515826 |  | |
| Holacantha emoryi A.Gray | R. H. Peebles 14418 31 Jul 1939 | United States of America. Arizona. Pinal Co. Hidden Valley. | 2515827 |  | |
| Holacantha emoryi A.Gray | A. Nelson 1374 with Ruth A. Nelson, 31 Mar 1935 | United States of America. Arizona. Papago Indian Reservation between Ajo and Sells. | 2515828 |  | |
| Holacantha emoryi A.Gray | C. C. Parry s.n. with J.M. Bigelow, Charles Wright, and A. Schott, | Mexican Boundary Survey: chiefly in the Valley of the Rio Grande, below Doñana. | 2515829 |  | |
| Holacantha emoryi A.Gray | S. B. Parish s.n. with W.F. Parish, Dec 1881 | United States of America. Arizona. Pinal Co. Maricopa. | 2515824 |  | |
| Holacantha emoryi A.Gray | C. C. Parry s.n. | United States of America. Arizona. Pinal Co. Maricopa. | 2515825 |  | |
| Holacantha emoryi A.Gray | L. R. Landrum 11053 | United States of America. Arizona. Maricopa Co. Phoenix. Pecos Road just E of junction with Chandler Road. | 2515820 |  | |
| Holacantha emoryi A.Gray | 04297915 |  |