| Name | Croton scouleri var. castellanus Svenson |
| Authorship | Svenson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Croton scouleri Hooker f. |
| GUID | urn:lsid:ipni.org:names:70859-2 |
| Citation | 1935 Amer. J. Bot. 22: 239 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Croton scouleri var. castellanus Svenson |
| Identification made in | 2010 (1) |