| Classification | Euphorbiaceae: Croton | 
| Harvard University Herbaria Barcode(s) | 00047107 | 
| Type Status | Isotype | 
| Collector | C. L. Lundell & A. A. Lundell | 
| Collector number | 8046 | 
| Country | Mexico | 
| State | Yucatán | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Yucatán | 
| Locality | Progreso | 
| Date Collected | 1938-07-22 | 
| Habitat | in cactus thicket along south edge of cienaga. | 
| Container | Plants of Mexico | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/651b404a-6b02-4d1b-8921-8adf017ddd9a | 
| Harvard University Herbaria Barcode | 00047107 | 
| Herbarium | A | 
| Previous ownership | [Ex] Herbarium of The University of Michigan | 
| Family | Euphorbiaceae | 
| Type Status | Isotype | 
| Isotype of | Croton itzaeus Lundell | 
| Verified by | Berry, Paul Edward | 
| Date Determined | 2019 | 
| Determination Remarks | [filed under] [current name] | 
| Taxon Reference | (for  Croton itzaeus Lundell) Phytologia 1940. 1: 405. | 
| Family | Euphorbiaceae | 
| Determination | Croton itzaeus Lundell | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |