| Classification | Euphorbiaceae: Jatropha | 
| Barcode(s) | 00283880 | 
| Type Status | Isotype | 
| Collector | F. Shreve | 
| Collector number | 9419 | 
| Country | Mexico | 
| State | Coahuila | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila | 
| Locality | Jimulco, 4200 ft | 
| Date Collected | 1939-09-14 | 
| Elevation | 1280 m | 
| Container | Plants of Mexico; Collected in the State of Coahuila | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/286a05b4-ea89-416c-a113-3c46dd8372ee | 
| Harvard University Herbaria Barcode | 00283880 | 
| Herbarium | GH | 
| Family | Euphorbiaceae | 
| Type Status |  Isotype | 
| Isotype of |  Jatropha dioica var. graminea McVaugh | 
| Verified by | W. T. Kittredge (GH) | 
| Date Determined | 2009 | 
| Taxon Reference | (for  Jatropha dioica var. graminea McVaugh) Bull. Torrey Bot. Club 1945. 72: 39. | 
| Family | Euphorbiaceae | 
| Determination |  Jatropha dioica var. graminea McVaugh | 
| Determined by | B. Dehgan (FLAS) | 
| Date Determined | 2002 | 
| Determination Remarks |  [current name] | 
| Annotation Text | Examined for a Monograph of New World Jatropha | 
| Family | Euphorbiaceae | 
| Determination |  Jatropha spathulata (Ortega) Müller Argoviensis | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |