| Classification | Rubiaceae: Houstonia |
| Barcode(s) | 00096877 |
| Type Status | Syntype |
| Collector | Edw. Palmer |
| Collector number | 2116 |
| Country | Mexico |
| State | Nuevo León |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León |
| Locality | Monterey |
| Date Collected | 1880-02-** |
| Remarks | = Hedyotis nigricans ( Lam.) Fosberg |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6506d5f5-bcce-4dcc-918c-8657f2efe36f |
| Harvard University Herbaria Barcode | 00096877 |
| Herbarium | GH |
| Family | Rubiaceae |
| Type Status | Syntype |
| Syntype of | Houstonia angustifolia var. rigidiuscula A. Gray |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Houstonia angustifolia var. rigidiuscula A. Gray) Syn. Fl. N. Amer. 1884. 1(2): 27. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |