| Classification | Asteraceae: Centaurea |
| Harvard University Herbaria Barcode(s) | 02172567 |
| Collector | H. W. Pretz |
| Collector number | 13440 |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania |
| Locality | [data not captured] |
| Date Collected | 1935-09-01 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7ac422db-9e0d-40d9-be1f-2349f0cc9c91 |
| Harvard University Herbaria Barcode | 02172567 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Centaurea nigrescens Willdenow |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
