| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Roulinia palmeri S.Watson | E. Palmer 829 01 Sep 1880-06 Sep 1880 | Mexico. Coahuila. Mountains 24 miles northeast by north from Monclova. | isotype | 279034 |  |
| Roulinia palmeri S.Watson | E. Palmer 829 01 Sep 1880-06 Sep 1880 | Mexico. Coahuila. Mountains 24 miles northeast by north from Monclova. | isotype | 279035 |  |