| Classification | Asteraceae: Achaetogeron |
| Classification 1 | Asteraceae: Erigeron |
| Harvard University Herbaria Barcode(s) | 00000560 |
| Type Status | Holotype |
| Collector | Edw. Palmer |
| Collector number | 362 |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Locality | South-western Chihuahua |
| Date Collected | 1885-11-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/23640868-98ab-4afe-a05c-e95e717ee49b |
| Harvard University Herbaria Barcode | 00000560 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Achaetogeron palmeri A. Gray |
| Verified by | D. E. Boufford |
| Date Determined | 1983 |
| Taxon Reference | (for Achaetogeron palmeri A. Gray) Proc. Amer. Acad. Arts 1886. 21: 386. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Achaetogeron palmeri A. Gray |
| Verified by | G. Nesom (NCU) |
| Date Determined | 1978 |
| Taxon Reference | (for Achaetogeron palmeri A. Gray) Proc. Amer. Acad. Arts 1886. 21: 386. |
| Family | Asteraceae |
| Determination | Erigeron strigulosus Greene |
| Determined by | G. Nesom (NCU) |
| Date Determined | 1978 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Achaetogeron palmeri A. Gray |
| Determined by | E. L. Larsen |
| Date Determined | 1933-03-** |
| Family | Asteraceae |
| Determination | Achaetogeron palmeri A. Gray |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
