| Classification | Asteraceae: Porophyllum | 
| Harvard University Herbaria Barcode(s) | 00011410 | 
| Type Status | Isotype | 
| Collector | Edw. Palmer | 
| Collector number | 285 | 
| Country | Mexico | 
| State | Coahuila | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila | 
| Locality | Near Saltillo | 
| Date Collected | 1902-11-10 - 1902-11-20 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/afdb27ff-37cd-48c2-a299-29c54489145a | 
| Harvard University Herbaria Barcode | 00011410 | 
| Herbarium | GH | 
| Previous ownership | Ex US | 
| Family | Asteraceae | 
| Type Status | Isotype | 
| Isotype of | Porophyllum fruticulosum Rydberg | 
| Verified by | Harvard University Herbaria LAPI Team | 
| Date Determined | 2008-07-01 | 
| Determination Remarks | "E. Palmer 285" noted on label | 
| Taxon Reference | (for  Porophyllum fruticulosum Rydberg) N. Amer. Fl. 1916. 34: 190. | 
| Family | Asteraceae | 
| Type Status | Isotype | 
| Isotype of | Porophyllum fruticulosum Rydberg | 
| Determination Remarks | Pencilled on sheet | 
| Taxon Reference | (for  Porophyllum fruticulosum Rydberg) N. Amer. Fl. 1916. 34: 190. | 
| Family | Asteraceae | 
| Determination | Porophyllum scoparium A. Gray | 
| Determined by | B. L. Robinson (GH) | 
| Date Determined | 1911 | 
| Determination Remarks | [current name] | 
| Annotation Text | Porophyllum scoparium DC. | 
| Family | Asteraceae | 
| Determination | Porophyllum scoparium A. Gray | 
| Determined by | B. L. Robinson (GH) | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |