| Classification | Euphorbiaceae: Euphorbia |
| Harvard University Herbaria Barcode(s) | 00047725 |
| Type Status | Possible Type, Holotype |
| Collector | J. G. Lemmon |
| Collector number | 2874 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | Tanner's Canyon, Huachuca Mountains |
| Date Collected | 1882-07-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ac8d1bba-91db-44f4-bffb-c396ca80de7b |
| Harvard University Herbaria Barcode | 00047725 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Type Status | Possible Type |
| Possible Type of | Euphorbia plummerae S. Watson |
| Taxon Reference | (for Euphorbia plummerae S. Watson) Proc. Amer. Acad. Arts 1883. 18: 195. |
| Family | Euphorbiaceae |
| Type Status | Holotype |
| Holotype of | Euphorbia plummerae S. Watson |
| Verified by | Mayfield, Mark H. |
| Date Determined | 2012-03-12 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Euphorbia plummerae S. Watson) Proc. Amer. Acad. Arts 1883. 18: 195. |
| Family | Euphorbiaceae |
| Determination | Euphorbia macropus Boissier |
| Determined by | Mayfield, Mark H. |
| Date Determined | 2012-03-12 |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
