| Classification | Asteraceae: Perezia | 
| Classification 1 | Asteraceae: Acourtia | 
| Harvard University Herbaria Barcode(s) | 00022808 | 
| Type Status | Isotype | 
| Collector | C. G. Pringle | 
| Collector number | 9950 | 
| Country | Mexico | 
| State | Jalisco | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Jalisco | 
| Locality | Near Guadaljara, 5000 feet | 
| Date Collected | 1902-12-09 | 
| Elevation | 1524 m | 
| Habitat | Rocky bluffs of a barranca | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ecc55ded-718c-44b5-9fb8-e00b318f3022 | 
| Harvard University Herbaria Barcode | 00022808 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Isotype | 
| Isotype of | Perezia rigida var. acuminata Bacigalupi | 
| Verified by | L. Cabrera Rodriguez (TEX) | 
| Date Determined | 1992 | 
| Taxon Reference | (for  Perezia rigida var. acuminata Bacigalupi) Contr. Gray Herb. 1931. 97: 19. | 
| Family | Asteraceae | 
| Determination | Acourtia rigida var. rigida | 
| Determined by | L. Cabrera Rodriguez (TEX) | 
| Date Determined | 2003 | 
| Determination Remarks | [current name] | 
| Family | Asteraceae | 
| Determination | Acourtia fruticosa (La Llave & Lexarza) B. L. Turner | 
| Determined by | B. L. Turner (LL/TEX) | 
| Date Determined | 1993-03-** | 
| Family | Asteraceae | 
| Determination | Acourtia rigida de Candolle | 
| Determined by | B. L. Turner (LL/TEX) | 
| Date Determined | 1993-01-** | 
| Family | Asteraceae | 
| Determination | Perezia rigida var. acuminata Bacigalupi | 
| Determined by | R. McVaugh (MICH) | 
| Date Determined | 1968 | 
| Annotation Text | Isotype | 
| Family | Asteraceae | 
| Determination | Perezia | 
| Determination Remarks | [label name] | 
| Annotation Text | Perezia rigida Gray? [ined.] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |