| Name | Machaeranthera pattersonii (A. Gray) Greene |
| Authorship | (A. Gray) Greene |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Machaeranthera Nees |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Machaeranthera pattersonii (A. Gray) Greene |
| Identification made in | [no date] (1), 1984 (3) |