| Classification | Asteraceae: Parthenium |
| Harvard University Herbaria Barcode(s) | 00010900 |
| Type Status | Possible Syntype |
| Collector | Josiah Gregg |
| Collector number | 25 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | Plain N. W. of Parras |
| Date Collected | 1847-05-14 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5f7fb9f3-4e26-48c6-96b7-9eae06a8b21e |
| Harvard University Herbaria Barcode | 00010900 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Parthenium confertum A. Gray |
| Determined by | R. Cornelius |
| Date Determined | 1933-05-** |
| Family | Asteraceae |
| Determination | Parthenium confertum var. confertum |
| Determined by | R. C. Rollins |
| Date Determined | 1946 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Possible Syntype |
| Possible Syntype of | Parthenium confertum A. Gray |
| Verified by | Harvard University Herbaria LAPI Team |
| Date Determined | 2008-07-15 |
| Determination Remarks | "Type Sheet Parthenium confertum Gray Proc Am Ac 17: 216 (1882) based entirely upon Gregg 1847-49, from Parras, & Palmer 648" [written on sheet] |
| Taxon Reference | (for Parthenium confertum A. Gray) Proc. Amer. Acad. Arts 1882. 17: 216. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [Mounted with Syntypes of Palmer 648, 10899, and Gregg 86, 257774] |
