| Classification | Euphorbiaceae: Euphorbia | 
| Harvard University Herbaria Barcode(s) | 00062135 | 
| Type Status | Isotype | 
| Collector | G. L. Webster & G. J. Breckon | 
| Collector number | 15785c | 
| Country | Mexico | 
| State | Jalisco | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Jalisco | 
| Locality | near Los Arcos, ca. 2.5 miles by road south of Rio Caule in Puerto Vallarta, ca. 20°30'N, 105°15'W, 100 feet | 
| Georeference | 20.5, -105.25 Method: Unknown | 
| Date Collected | 1970-10-20 | 
| Habitat | Remnants of deciduous woodland on steep slopes and cliffs | 
| Container | Plants of Mexico | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e7e81b3a-f84e-4fb5-9ba1-69127b931d82 | 
| Harvard University Herbaria Barcode | 00062135 | 
| Herbarium | GH | 
| Family | Euphorbiaceae | 
| Type Status | Isotype | 
| Isotype of | Euphorbia schlechtendalii var. websteri McVaugh | 
| Taxon Reference | (for  Euphorbia schlechtendalii var. websteri McVaugh) Contr. Univ. Michigan Herb. 1993. 19: 236. | 
| Family | Euphorbiaceae | 
| Determination | Euphorbia schlechtendalii var. websteri McVaugh | 
| Determined by | A. Ramirez Roa (MEXU) | 
| Date Determined | 1995 | 
| Determination Remarks | [current name] | 
| Family | Euphorbiaceae | 
| Determination | Euphorbia schlechtendalii Boissier | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |