| Classification | Asteraceae: Porophyllum | 
| Harvard University Herbaria Barcode(s) | 00011404 | 
| Type Status | Isotype | 
| Collector | J. N. Rose | 
| Collector number | 1272 | 
| Country | Mexico | 
| State | Sonora | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora: Guaymas | 
| Locality | Guaymas | 
| Date Collected | 1897-06-05 - 1897-06-11 | 
| Container | Plants of Mexico | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b5802d2e-334c-4102-a770-ecb47355e84e | 
| Harvard University Herbaria Barcode | 00011404 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status | Isotype | 
| Isotype of | Porophyllum brachypodum B. L. Robinson | 
| Verified by | Turner, Billie Lee | 
| Date Determined | 1990 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Porophyllum brachypodum B. L. Robinson) Proc. Amer. Acad. Arts 1900. 35: 341. | 
| Family | Asteraceae | 
| Determination | Porophyllum pausodynum B. L. Robinson & Greenman | 
| Determined by | Turner, Billie Lee | 
| Date Determined | 1990 | 
| Determination Remarks | [current name] | 
| Family | Asteraceae | 
| Determination | Porophyllum brachypodum B. L. Robinson | 
| Determined by | B. L. R. | 
| Date Determined | 1911 | 
| Family | Asteraceae | 
| Determination | Porophyllum brachypodum B. L. Robinson | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |