| Classification | Rubiaceae: Exostema |
| Harvard University Herbaria Barcode(s) | 00046002 |
| Type Status | Holotype |
| Collector | C. F. L. C. Ervendberg |
| Collector number | 125 |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| Locality | Wartenberg, near Tantoyuca, prov. Huasteca |
| Date Collected | 1858-08-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3045fb19-7e8e-458c-b11f-a68c9ab3bbf8 |
| Harvard University Herbaria Barcode | 00046002 |
| Herbarium | GH |
| Family | Rubiaceae |
| Type Status | Holotype |
| Holotype of | Exostema mexicanum A. Gray |
| Verified by | T. McDowell |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Exostema mexicanum A. Gray) Proc. Amer. Acad. Arts 1861. 5: 180. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
