| Name | Cnidoscolus angustidens subsp. angustidens |
| Authorship | |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Cnidoscolus angustidens Torrey |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Cnidoscolus angustidens subsp. angustidens |
| Identification made in | 1974 (3), 1976 (1), 2001 (2) |