| Classification | Rubiaceae: Houstonia | 
| Harvard University Herbaria Barcode(s) | 00096960 | 
| Type Status | Syntype | 
| Collector | E. Coues & Edw. Palmer | 
| Collector number | 75 | 
| Country | United States of America | 
| State | Arizona | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona | 
| Locality | Fort Whipple | 
| Date Collected | 1865-08-03 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ec74022d-d2a6-4986-bba9-dfae87a88efa | 
| Harvard University Herbaria Barcode | 00096960 | 
| Herbarium | GH | 
| Family | Rubiaceae | 
| Type Status | Syntype | 
| Syntype of | Houstonia wrightii A. Gray | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Houstonia wrightii A. Gray) Proc. Amer. Acad. Arts 1882. 17: 202. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |