| Classification | Euphorbiaceae: Euphorbia | 
| Harvard University Herbaria Barcode(s) | 00277309 | 
| Type Status | Syntype | 
| Collector | A. Kellogg & W. G. W. Harford | 
| Collector number | 898 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6c96fde3-38a7-4869-909f-171f6ee7a4e9 | 
| Harvard University Herbaria Barcode | 00277309 | 
| Herbarium | GH | 
| Family | Euphorbiaceae | 
| Type Status | Syntype | 
| Syntype of | Euphorbia crenulata var. franciscana Norton | 
| Verified by | D. Geltman (LE) | 
| Date Determined | 2009-10-** | 
| Taxon Reference | (for  Euphorbia crenulata var. franciscana Norton) N. Amer. Euphorbia 1899. 38. | 
| Family | Euphorbiaceae | 
| Determination | Euphorbia crenulata Engelmann | 
| Determined by | L.C. Wheeler | 
| Date Determined | 1936 | 
| Determination Remarks | [current name] | 
| Family | Euphorbiaceae | 
| Determination | Euphorbia dictyosperma Fischer & C. A. Meyer | 
| Determined by | L.C. Wheeler | 
| Date Determined | 1936 | 
| Determination Remarks | [current name] | 
| Family | Euphorbiaceae | 
| Determination | Euphorbia crenulata Engelmann | 
| Determined by | J.B.S. Norton | 
| Date Determined | 1955-05-20 | 
| Annotation Text | n. var. | 
| Family | Euphorbiaceae | 
| Determination | Euphorbia dictyosperma Fischer & C. A. Meyer | 
| Determined by | J.S.B. Norton | 
| Date Determined | 1955-05-20 | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed | 
| Item Remarks | [possibly two collections mounted on same sheet; one collector label] |