| Classification | Asteraceae: Perezia |
| Classification 1 | Asteraceae: Acourtia |
| Barcode(s) | 00022820 |
| Type Status | Holotype |
| Collector | Edw. Palmer |
| Collector number | 655 |
| Country | Mexico |
| State | Jalisco |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Jalisco |
| Locality | Rio Blanco |
| Date Collected | 1886-10-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2b4f490f-e40a-4bb3-82d5-5d7fabe8c643 |
| Harvard University Herbaria Barcode | 00022820 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Perezia wislizeni var. megacephala A. Gray |
| Verified by | B. L. Turner (LL/TEX) |
| Date Determined | 1993 |
| Taxon Reference | (for Perezia wislizeni var. megacephala A. Gray) Proc. Amer. Acad. Arts 1887. 22: 433. |
| Family | Asteraceae |
| Determination | Acourtia wislizeni var. megacephala (A. Gray) Reveal & R. M. King |
| Determined by | L. Cabrera Rodriguez (TEX) |
| Date Determined | 2001 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Acourtia wislizeni var. megacephala (A. Gray) Reveal & R. M. King |
| Determined by | B. L. Turner (LL/TEX) |
| Date Determined | 1993 |
| Family | Asteraceae |
| Determination | Perezia wislizeni var. megacephala A. Gray |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
