| Poaceae | |
Panicum lanuginosum var. fasciculatum
| (Torr.) Fernald | Rhodora 36(423): 77 | 1934 |
| Poaceae | |
Panicum lanuginosum var. huachucae
| (Ashe) Hitchc. | Rhodora 8(95): 208 | 1906 |
| Poaceae | |
Panicum lanuginosum var. implicatum
| (Scribn.) Fernald | Rhodora 36(423): 77 | 1934 |
| Poaceae | |
Panicum lanuginosum var. lanuginosum
| | | |
| Poaceae | |
Panicum lanuginosum var. lindheimeri
| (Nash) Fernald | Rhodora 36(423): 77 | 1934 |
| Poaceae | |
Panicum lanuginosum subvar. meridionale
| (Ashe) Farw. | Pap. Michigan Acad. Sci. 26: 5 | 1941 |
| Poaceae | |
Panicum lanuginosum var. papillosum
| (Schmoll) B. Boivin | Phytologia 43(1): 106 | 1979 |
| Poaceae | |
Panicum lanuginosum subvar. pilosum
| (Torr.) Farw. | Pap. Michigan Acad. Sci. 26: 5 | 1941 |
| Poaceae | |
Panicum lanuginosum var. praecocius
| (Hitchc. & Chase) Dore | Naturaliste Canad. 103(6): 562 | 1976 |
| Poaceae | |
Panicum lanuginosum var. septentrionale
| (Fernald) Fernald | Rhodora 36(423): 77 | 1934 |
| Poaceae | ** |
Panicum lanuginosum var. sericeum
| Barkworth, Capels, S. Long & Piep | Fl. N. Amer. 25: 746 | 2003 |
| Poaceae | |
Panicum lanuginosum var. siccanum
| Hitchc. & Chase | Rhodora 8(95): 207–208 | 1906 |
| Poaceae | |
Panicum lanuginosum var. tennesseense
| (Ashe) Gleason | Phytologia 4(1): 21 | 1952 |