| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | E. W. Nelson 7160 with E. A. Goldman, 25 Sep 1905 | Mexico. Baja California. Rosarito. | paratype | 3651 |  |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | S. D. Boyd 5982 with Tim Ross, 05 Apr 1991 | Mexico. Baja California. Arroyo Rosarito at crossing of Hwy 1, 47 mi north of Guerrero Negro. | 1585202 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | I. L. Wiggins 5381 16 Apr 1931 | Mexico. Baja California. Bench above beach below Punta Prieta 185 mi So. of Rosario. | 1585199 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | C. L. Díaz Luna 4154 23 Apr 1973 | Mexico. Baja California. El Mesquital. | 1585204 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | D. E. Breedlove 60811 20 Mar 1984 | Mexico. Baja California. San Andres Canyon above Santa Rosalillita. | 1585197 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | D. E. Breedlove 62536 28 Feb 1986 | Mexico. Baja California. Ridge in small canyon north of Las Palomas junction 6 miles E of Punta Cono. | 1585196 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | C. C. Newberry 304 11 Jan 1986 | Mexico. Baja California. Gravelly bajada E. of Rosario. | 1585201 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | D. E. Breedlove 62502 27 Feb 1986 | Mexico. Baja California. 20-30 miles S of Punta Canoas along tract to Punta Cono. | 1585198 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | D. J. Pinkava P12209 with Reeves, Hensel & McGill, 25 May 1974 | Mexico. Baja California. Rte. 1, 7.7 mi N of Rosarito. | 1585203 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | R. W. Spellenberg 3324 with H. Wolfe, J. Syvertsen, 01 Jun 1973 | Mexico. Baja California. 15 mi. S of Punta Prieta along Highway 1. | 1585206 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | R. S. Ferris 8587 07 Mar 1934 | Mexico. Baja California. Escondido Canyon between Punta Prieta and ocean. | 1585200 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | D. J. Pinkava P12306 with L. McGill, 30 May 1974 | Mexico. Baja California. Rte 1, 9 mi E of Rosarito. | 1585205 |  | |
| Senna purpusii (Brandegee) H.S.Irwin & Barneby | H. S. Gentry 23317 with Lyle McGill, 18 Jun 1973 | Mexico. Baja California. 13 miles SW of San Borjas. | 1585207 |  |