| Classification | Euphorbiaceae: Euphorbia |
| Harvard University Herbaria Barcode(s) | 00047715 |
| Type Status | Isotype |
| Collector | A. A. Heller |
| Collector number | 6625 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Francisco County: San Francisco |
| Locality | Near the Marine Hospital |
| Date Collected | 1903-04-25 |
| Habitat | Sand hills |
| Container | Plants of California |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/42e24dff-1ad3-4de3-8f6b-0bd6bf0aa901 |
| Harvard University Herbaria Barcode | 00047715 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Type Status | Isotype |
| Isotype of | Euphorbia nortoniana A. Nelson |
| Taxon Reference | (for Euphorbia nortoniana A. Nelson) Bot. Gaz. 1909. 47: 437. |
| Family | Euphorbiaceae |
| Determination | Euphorbia crenulata Engelmann |
| Determined by | L. C. Wheeler |
| Date Determined | 1936 |
| Determination Remarks | [current name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia leptocera Engelmann |
| Determination Remarks | [label name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia crenulata var. franciscana Norton |
| Determination Remarks | Pencilled on sheet |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
