| Classification | Euphorbiaceae: Euphorbia |
| Harvard University Herbaria Barcode(s) | 00246255 |
| Type Status | Isotype |
| Collector | J. T. Howell |
| Collector number | 8331 |
| Country | Mexico |
| State | Baja California Norte |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Baja California Norte: Ensenada: Guadalupe Island |
| Locality | Melpomone Cove |
| Date Collected | 1932-03-18 |
| Habitat | Sandy soil |
| Container | Flora of Lower California |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c2a7bef4-8d2e-4bff-ad08-e49d808d51d3 |
| Harvard University Herbaria Barcode | 00246255 |
| Herbarium | GH |
| Previous ownership | ex The Templeton Crocker Expedition of the California Academy of Sciences |
| Family | Euphorbiaceae |
| Type Status | Isotype |
| Isotype of | Euphorbia guadalupensis J. T. Howell |
| Verified by | V. W. Steinmann (RSA) |
| Date Determined | 2004 |
| Taxon Reference | (for Euphorbia guadalupensis J. T. Howell) Leafl. W. Bot. 1933. 1: 51.. |
| Family | Euphorbiaceae |
| Determination | Euphorbia pondii Millspaugh |
| Determined by | V. W. Steinmann (RSA) |
| Date Determined | 2005 |
| Determination Remarks | [current name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia guadalupensis J. T. Howell |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
