| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Fagonia densa I.M.Johnst. | I. M. Johnston 3532 09 May 1921 | Mexico. South San Lorenzo Island, Gulf of California. | isotype | 388420 |  |
| Fagonia pachyacantha Rydb. | L. Diquet s.n. s.d. | Mexico. [Baja California]. | holotype | 278945 |  |
| Fagonia palmeri Vasey & Rose | E. Palmer 2109 24 Feb 1889-03 Mar 1889 | Mexico. Santa Rosalia, Lower California. | isotype | 388421 |  |
| Fagonia cistoides Delile ex T.Anderson | 04821731 |  | |||
| Fagonia californica subsp. laevis (Standl.) Wiggins | 02680123 |  | |||
| Fagonia laevis Standl. | 2735267 |  | |||
| Fagonia californica Benth. | 3695408 |  | |||
| Fagonia californica Benth. | 3695411 |  | |||
| Fagonia californica Benth. | 3695412 |  | |||
| Fagonia californica Benth. | 3695413 |  | |||
| Fagonia californica Benth. | 3695414 |  | |||
| Fagonia californica Benth. | 3695415 |  | |||
| Fagonia californica Benth. | E. Palmer 58 | United States of America. Colorado. Williams Fork of Colorado River. | 3695416 |  | |
| Fagonia californica Benth. | A. Nelson 1314 | United States of America. Arizona. Desert between Yuma and the Fortuna Mtns. | 3695418 |  | |
| Fagonia californica Benth. | C. L. Hitchcock 25464 | United States of America. Arizona. Yuma Co. Ca. 20 mi. e. of Yuma, along rd. to Gila Bend. | 3695419 |  | |
| Fagonia californica Benth. | 3695421 |  | |||
| Fagonia californica Benth. | 3695422 |  | |||
| Fagonia californica Benth. | 3695423 |  | |||
| Fagonia californica Benth. | 3695424 |  | |||
| Fagonia californica Benth. | 3695425 |  | |||
| Fagonia californica Benth. | 3695426 |  | |||
| Fagonia californica Benth. | L. C. Higgins 21020 | United States of America. Arizona. Yuma Co. Parker. Along Hwy 95, along the Colorado River. | 3695427 |  | |
| Fagonia californica Benth. | 3695428 |  | |||
| Fagonia californica Benth. | 3695429 |  | |||
| Fagonia californica Benth. | 3695430 |  | |||
| Fagonia californica Benth. | 3695432 |  | |||
| Fagonia californica Benth. | 3695433 |  | |||
| Fagonia californica Benth. | 3695434 |  | |||
| Fagonia californica Benth. | 3695435 |  | |||
| Fagonia californica Benth. | A. Nelson 1227 | United States of America. Arizona. Hills near Orange Valley Station, 20 miles west of Casa Grande city. | 3695436 |  | |
| Fagonia californica Benth. | L. C. Higgins 8515 | United States of America. Arizona. Yuma Co. Telegraph Pass east of Yuma. | 3695439 |  | |
| Fagonia californica Benth. | 3695440 |  | |||
| Fagonia californica Benth. | 3695441 |  | |||
| Fagonia californica Benth. | 3695442 |  | |||
| Fagonia californica Benth. | 3695443 |  | |||
| Fagonia californica Benth. | 3695445 |  | |||
| Fagonia californica Benth. | 3695446 |  | |||
| Fagonia californica Benth. | 3695447 |  | |||
| Fagonia californica Benth. | N. H. Russell 11256 | United States of America. Arizona. Gila Co. 10 1/2 miles east of Quartzite. | 3695448 |  | |
| Fagonia californica Benth. | L. C. Higgins 6331 | United States of America. Arizona. Yuma Co. Telegraph Pass area east of Yuma. | 3695449 |  |