| Classification | Rubiaceae: Tetramerium |
| Classification 1 | Acanthaceae: Tetramerium |
| Harvard University Herbaria Barcode(s) | 00094339 |
| Collector | J. L. Berlandier |
| Collector number | 3181 |
| Country | Mexico |
| State | Tamaulipas |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Tamaulipas: San Carlos |
| Locality | Sierra de San Carlos |
| Date Collected | 1836 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1b7c4bea-7226-4459-b3cc-45e001f794f2 |
| Harvard University Herbaria Barcode | 00094339 |
| Herbarium | GH |
| Family | Rubiaceae |
| Determination | Tetramerium hispidum Nees |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] [is label name] |
| Family | Rubiaceae |
| Determination | Tetramerium hispidum Nees |
| Determined by | G. B. Harp |
| Date Determined | 1936-06-** |
| Determination Remarks | [is Current name] |
| Family | Acanthaceae |
| Determination | Tetramerium nervosum Nees |
| Determined by | T. F. Daniel |
| Date Determined | 1984 |
| Determination Remarks | [is Current name] |
| Annotation Text | Berlandier 3181 = Isosyntype: T. nervosum var. hispidum Torr. [sphalm.] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [Mounted with Coulter 1206, 94340, and Parry 24, 269175] |
