| Classification | Asteraceae |
| Classification 1 | Asteraceae: Piptothrix |
| Classification 2 | Asteraceae: Ageratina |
| Classification 3 | Asteraceae: Piptothrix |
| Harvard University Herbaria Barcode(s) | 00011281 |
| Type Status | Lectotype |
| Collector | Edw. Palmer |
| Collector number | 280 |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Date Collected | 1885-08-** - 1885-11-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7dbd5354-cac4-4e4d-8c8a-50b2333906ca |
| Harvard University Herbaria Barcode | 00011281 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Piptothrix |
| Determination Remarks | Ined. [is label name] |
| Annotation Text | Piptothrix palmeri forma ochroleuca |
| Family | Asteraceae |
| Determination | Piptothrix palmeri A. Gray |
| Determined by | B. L. Robinson (GH) |
| Annotation Text | forma B |
| Family | Asteraceae |
| Determination | Ageratina palmeri (A. Gray) Gage |
| Determined by | D. A. Gage |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Lectotype |
| Lectotype of | Piptothrix palmeri A. Gray |
| Verified by | D. A. Gage |
| Date Determined | 1986 |
| Determination Remarks | [misspelled as 'Piptotrix'] |
| Taxon Reference | (for Piptothrix palmeri A. Gray) Proc. Amer. Acad. Arts 1886. 21: 383. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
