| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Croton palmeri S.Watson | E. Palmer 1239 09 Sep 1880-19 Sep 1880 | Mexico. Toledad, 25 miles SW from Monclova. | isotype | 246483 |  |
| Croton palmeri S.Watson | E. Palmer 1239 9 Sep 1880 | Mexico. Coahuila. Soledad, a section of low mountains, 25 Miles southwest from Monclova. | 03975233 |  |