| Classification | Asteraceae: Porophyllum |
| Harvard University Herbaria Barcode(s) | 00011409 |
| Type Status | Holotype |
| Collector | Edw. Palmer |
| Collector number | 688 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | Sierra Madre south of Saltillo |
| Date Collected | 1880-08-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/838590fa-edbd-4528-9fa9-5e090c7d1d24 |
| Harvard University Herbaria Barcode | 00011409 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Porophyllum filifolium A. Gray |
| Verified by | V. M. Bates (A/GH) |
| Date Determined | 1985 |
| Taxon Reference | (for Porophyllum filifolium A. Gray) Proc. Amer. Acad. Arts 1883. 19: 35. |
| Family | Asteraceae |
| Determination | Porophyllum filifolium A. Gray |
| Determined by | B. L. Robinson (GH) |
| Date Determined | 1911 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Porophyllum filifolium A. Gray |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
