| Name | Euthamia graminifolia var. nuttallii (Greene) W. Stone |
| Authorship | (Greene) W. Stone |
| Rank | Variety |
| Placed in | Euthamia graminifolia (Linnaeus) Nuttall |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Euthamia graminifolia var. nuttallii (Greene) W. Stone |
| Identification made in | [no date] (6), 1980 (8) |