| Name | Croton scaber var. obscurus Müller Argoviensis | 
| Authorship | Müller Arg. | 
| Rank | Variety | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Croton scaber Willdenow | 
| GUID | urn:lsid:ipni.org:names:70843-2 | 
| Citation | 1865 Linnaea 34: 99 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Croton scaber var. obscurus Müller Argoviensis | 
| Identification made in | [no date] (1), 2009 (1) |