| Classification | Euphorbiaceae: Croton | 
| Barcode(s) | 00047078 | 
| Type Status | Isolectotype | 
| Collector | Edw. Palmer | 
| Collector number | 742 | 
| Country | Mexico | 
| State | Sonora | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora: Álamos | 
| Locality | Alamos | 
| Locality Remarks | [Habitat Notes from protologue] | 
| Date Collected | 1890-09-16 - 1890-09-30 | 
| Habitat | On sandy ridges and along creek bottoms under shrubs | 
| Container | Flora of Mexico | 
| Substrate | sandy ridges | 
| Remarks | [Substrate and Description from protologue] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a5af0075-8813-431f-a7d0-3adaf102b1cb | 
| Harvard University Herbaria Barcode | 00047078 | 
| Herbarium | GH | 
| Family | Euphorbiaceae | 
| Type Status |  Isolectotype | 
| Isolectotype of |  Croton alamosanus Rose | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Croton alamosanus Rose) Contr. U.S. Natl. Herb. 1891. 1: 111. | 
| Family | Euphorbiaceae | 
| Determination |  Croton alamosanus Rose | 
| Determined by | van Ee, Benjamin & Berry, Paul Edward | 
| Date Determined | 2010-06-** | 
| Determination Remarks |  [current name] | 
| Family | Euphorbiaceae | 
| Determination |  Croton alamosanus Rose | 
| Determination Remarks | [written on label] | 
| Annotation Text | n. sp. | 
| Family | Euphorbiaceae | 
| Determination |  Croton sp.  | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |