| Classification | Euphorbiaceae: Euphorbia |
| Harvard University Herbaria Barcode(s) | 00047760 |
| Type Status | Type |
| Collector | Edw. Palmer |
| Collector number | 210 |
| Country | Mexico |
| State | Sonora |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora: Guaymas |
| Locality | High Mts. |
| Date Collected | 1887-09-** |
| Container | Flora of Guaymas, Mex. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a5100b61-2eb9-4e7c-b6c8-e32aec491379 |
| Harvard University Herbaria Barcode | 00047760 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Type Status | Type |
| Type of | Euphorbia capitellata var. laxiflora S. Watson |
| Verified by | L. C. Wheeler |
| Date Determined | 1939 |
| Taxon Reference | (for Euphorbia capitellata var. laxiflora S. Watson) Proc. Amer. Acad. Arts 1889. 24: 74. |
| Family | Euphorbiaceae |
| Determination | Euphorbia capitellata Engelmann |
| Determined by | L. C. Wheeler |
| Date Determined | 1939 |
| Determination Remarks | [current name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia capitellata var. laxiflora S. Watson |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |