| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Senna koelziana H.S.Irwin & Barneby | R. McVaugh 1163 with W. N. Koeltz, 28 Nov 1959-30 Nov 1959 | Mexico. Jalisco. Sierra del Halo, near a lumber road leaving the Colima highway 7 mi SSW of Tecalitlán and extending SE toward San Isidro: 13-16 mi from highway. Alt. 2000-2200 m. | isotype | 4819 |  |