| Classification | Asteraceae: Perezia |
| Classification 1 | Asteraceae: Acourtia |
| Harvard University Herbaria Barcode(s) | 00022793 |
| Type Status | Holotype |
| Collector | E. W. Nelson |
| Collector number | 4037 |
| Country | Mexico |
| State | Jalisco |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Jalisco |
| Locality | Mountains near Talpa |
| Date Collected | 1897-03-07 |
| Elevation | 1400 - 1500 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/351ea1f1-05cf-450b-853a-41a6c1ada1d6 |
| Harvard University Herbaria Barcode | 00022793 |
| Herbarium | GH |
| Previous ownership | Ex US |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Perezia nelsonii B. L. Robinson |
| Verified by | L. Cabrera Rodriguez (TEX) |
| Date Determined | 1992 |
| Taxon Reference | (for Perezia nelsonii B. L. Robinson) Proc. Amer. Acad. Arts 1900. 35: 342. |
| Family | Asteraceae |
| Determination | Acourtia nelsonii (B. L. Robinson) Reveal & R. M. King |
| Determined by | L. Cabrera Rodriguez (TEX) |
| Date Determined | 2001 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Acourtia nelsonii (B. L. Robinson) Reveal & R. M. King |
| Determined by | B. L. Turner (LL/TEX) |
| Date Determined | 1993 |
| Family | Asteraceae |
| Determination | Perezia nelsonii B. L. Robinson |
| Determined by | R. McVaugh (MICH) |
| Date Determined | 1968 |
| Annotation Text | Type! |
| Family | Asteraceae |
| Determination | Perezia nelsonii B. L. Robinson |
| Determination Remarks | [label name] |
| Annotation Text | sp. nov. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
