| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Senna wislizeni (A.Gray) H.S.Irwin & Barneby var. wislizeni | C. C. Parry s.n. Aug 1852 | United States of America. Chiefly in the Valley of the Rio Grande, below Doñana. Bufacillo Ranch. | 1582581 |  | |
| Senna wislizeni (A.Gray) H.S.Irwin & Barneby var. wislizeni | E. A. Mearns 593 07 Aug 1892 | United States of America. San Bernardino Ranch, Mex. Bound. line. | 1582564 |  | |
| Senna wislizeni (A.Gray) H.S.Irwin & Barneby var. wislizeni | L. A. Edwards s.n. | United States of America. New Mexico. | 4267204 |  |