| Name | Noccaea fendleri subsp. idahoense (Payson) Al-Shehbz & M. Koch |
| Authorship | (Payson) Al-Shehbz & M. Koch |
| Rank | Subspecies |
| Placed in | Noccaea fendleri (A. Gray) Holub |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Noccaea fendleri subsp. idahoense (Payson) Al-Shehbz & M. Koch |
| Identification made in | [no date] (17), 2013 (3) |