| Classification | Asteraceae: Porophyllum |
| Harvard University Herbaria Barcode(s) | 00011419 |
| Type Status | Syntype |
| Collector | E. W. Nelson |
| Collector number | 2170 |
| Country | Mexico |
| State | Guerrero |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Guerrero |
| Locality | Bewteen Chilapa and Tixtla; altitude 5200 - 7000 ft. |
| Date Collected | 1894-12-16 |
| Elevation | 1584 - 2133 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/151ae894-47a9-45d4-abab-41f34a2e49b5 |
| Harvard University Herbaria Barcode | 00011419 |
| Herbarium | GH |
| Previous ownership | Ex US |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Porophyllum nutans B. L. Robinson & Greenman |
| Verified by | Harvard University Herbaria LAPI Team |
| Date Determined | 2008-07-01 |
| Determination Remarks | "Nelson 2170" noted on label |
| Taxon Reference | (for Porophyllum nutans B. L. Robinson & Greenman) Proc. Amer. Acad. Arts 1896. 32: 31. |
| Family | Asteraceae |
| Determination | Porophyllum nutans B. L. Robinson & Greenman |
| Determined by | B. L. Robinson (GH) |
| Date Determined | 1911 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Porophyllum ervendbergii A. Gray |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Porophyllum nutans B. L. Robinson & Greenman |
| Determination Remarks | Written on sheet |
| Annotation Text | n. sp. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
