| Classification | Rubiaceae: Hedyotis |
| Classification 1 | Rubiaceae: Houstonia |
| Harvard University Herbaria Barcode(s) | 00112608 |
| Type Status | Isolectotype |
| Collector | F. J. Lindheimer |
| Collector number | Fasc. IV.621 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Gillespie County: Fredericksburg |
| Date Collected | 1847-05-** |
| Habitat | [Open gravelly banks of streamlets] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ccb02889-3043-45cf-9356-80cbfbf442dd |
| Harvard University Herbaria Barcode | 00112608 |
| Herbarium | GH |
| Family | Rubiaceae |
| Type Status | Isolectotype |
| Isolectotype of | Hedyotis humifusa A. Gray |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Taxon Reference | (for Hedyotis humifusa A. Gray) Boston J. Nat. Hist. 1850. 6(2): 216. |
| Family | Rubiaceae |
| Determination | Houstonia humifusa (A. Gray) A. Gray |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
