| Name | Idahoa scapigera (Hooker) A. Nelson & J. F. Macbride |
| Authorship | (Hooker) A. Nelson & J. F. Macbride |
| Rank | Species |
| Placed in | Idahoa |
| Holdings | 44 Specimens held in the Harvard University Herbaria identified as Idahoa scapigera (Hooker) A. Nelson & J. F. Macbride |
| Identification made in | [no date] (44) |