| Name | Panicum lanuginsoum var. septentrionale (Fernald) Fernald |
| Authorship | (Fernald) Fernald |
| Rank | Variety |
| Placed in | Panicum lanuginsoum Elliot |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Panicum lanuginsoum var. septentrionale (Fernald) Fernald |
| Identification made in | [no date] (2) |