| Classification | Asteraceae: Vernonia |
| Harvard University Herbaria Barcode(s) | 00013590 |
| Type Status | Holotype |
| Collector | J. G. Schaffner |
| Collector number | 347 |
| Country | Mexico |
| State | San Luis Potosà |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: San Luis Potosà |
| Locality | Du montibus prope Morales |
| Date Collected | 1876-09-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2b907156-034d-4c29-a8de-62193458c53b |
| Harvard University Herbaria Barcode | 00013590 |
| Herbarium | GH |
| Previous ownership | ex Herbario de J.G. Schaffner |
| Family | Asteraceae |
| Determination | Vernonia schaffneri A. Gray |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Vernonia greggii subsp. schaffneri (A. Gray) G. C. Chapman & S. B. Jones |
| Determined by | G.C. Chapman |
| Date Determined | 1973 |
| Family | Asteraceae |
| Determination | Vernonia greggii A. Gray |
| Determined by | B. L. Turner (TEX-LL) |
| Date Determined | 1988 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Vernonia schaffneri A. Gray |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1981 |
| Taxon Reference | (for Vernonia schaffneri A. Gray) Proc. Amer. Acad. Arts 1882. 17: 204. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
