| Saxifragaceae | |
Heuchera villosa var. arkansana
| (Rydb.) E.B. Sm. | Proc. Arkansas Acad. Sci. 31: 100 | 1977 |
| Saxifragaceae | |
Heuchera villosa var. intermedia
| Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 1: 33, 35 | 1936 |
| Saxifragaceae | |
Heuchera villosa var. macrorhiza
| (Small) Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 2: 31 | 1936 |
| Saxifragaceae | ** |
Heuchera villosa var. typica
| Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 2: 31 | 1936 |
| Saxifragaceae | |
Heuchera villosa var. villosa
| | | |