| Name | Cojoba arborea var. angustifolia (Rusby) Barneby & J. W. Grimes | 
| Authorship | (Rusby) Barneby & J. W. Grimes | 
| Rank | Variety | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Cojoba arborea (Linnaeus) Britton & Rose | 
| GUID | urn:lsid:ipni.org:names:996934-1 | 
| Citation | 1997 Alt. title: Silk Tree, Guanacaste, Mem. New York Bot. Gard. 74(2): 44 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cojoba arborea var. angustifolia (Rusby) Barneby & J. W. Grimes | 
| Identification made in | [no date] (2) | 
