| 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 |