| Saxifragaceae | |
Heuchera americana var. americana
| | | |
| Saxifragaceae | |
Heuchera americana fo. angustipetala
| Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 2: 58, 64 | 1936 |
| Saxifragaceae | |
Heuchera americana var. brevipetala
| Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 2: 57–58, 62–64 | 1936 |
| Saxifragaceae | |
Heuchera americana var. calycosa
| (Small) Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 2: 58 | 1936 |
| Saxifragaceae | |
Heuchera americana var. caroliniana
| Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 2: 59–60, 64 | 1936 |
| Saxifragaceae | |
Heuchera americana var. foliosa
| Moric. ex Ser. | Prodr. 4: 51 | 1830 |
| Saxifragaceae | |
Heuchera americana var. glabriuscula
| Schult. ex Ser. | Prodr. 4: 51 | 1830 |
| Saxifragaceae | |
Heuchera americana var. glauca
| (Raf.) Rosend. | Bot. Jahrb. Syst. 37(2, Beibl. 83): 79 | 1905 |
| Saxifragaceae | |
Heuchera americana var. heteradenia
| Fernald | Rhodora 44(526): 400–401, pl. 721, f. 2–3 | 1942 |
| Saxifragaceae | |
Heuchera americana var. hirsuticaulis
| (Wheelock) Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 2: 60 | 1936 |
| Saxifragaceae | |
Heuchera americana var. hispida
| (Pursh) E.F. Wells | Rhodora 81(828): 576 | 1979 |
| Saxifragaceae | |
Heuchera americana var. interior
| Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 2: 60, 64 | 1936 |
| Saxifragaceae | |
Heuchera americana var. subtruncata
| Fernald | Rhodora 44(526): 401, pl. 721, f. 1 | 1942 |
| Saxifragaceae | ** |
Heuchera americana var. typica
| Rosend., Butters & Lakela | Minnesota Stud. Pl. Sci. 2: 55–57, 61–62 | 1936 |