| Classification | Euphorbiaceae: Euphorbia |
| Harvard University Herbaria Barcode(s) | 00047801 |
| Type Status | Isotype |
| Collector | I. M. Johnston |
| Collector number | 3867 |
| Country | Mexico |
| State | Baja California Sur |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Baja California Sur |
| Locality | Monserrate Island, Gulf of California: Ensenada Blanca |
| Date Collected | 1921-05-24 |
| Habitat | Common on sand-dunes |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9a1806ed-7d1e-46b0-b36b-be2c937e798f |
| Harvard University Herbaria Barcode | 00047801 |
| Herbarium | GH |
| Previous ownership | ex California Academy of Sciences |
| Family | Euphorbiaceae |
| Type Status | Isotype |
| Isotype of | Euphorbia polycarpa var. johnstonii L. C. Wheeler |
| Verified by | V. W. Steinmann (RSA) |
| Date Determined | 2005 |
| Taxon Reference | (for Euphorbia polycarpa var. johnstonii L. C. Wheeler) Bull. Torrey Bot. Club 1936. 63: 410. |
| Family | Euphorbiaceae |
| Determination | Euphorbia polycarpa var. johnstonii L. C. Wheeler |
| Determined by | L. C. Wheeler |
| Date Determined | 1936 |
| Determination Remarks | [current name] |
| Annotation Text | Isotype |
| Family | Euphorbiaceae |
| Determination | Euphorbia polycarpa Bentham |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
