Flora of the Southeastern United States
2022 Edition

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SAXIFRAGACEAE

Heuchera americana Linnaeus. American Alumroot. Phen: Apr-Aug. Hab: Rocky forests, rock outcrops, particularly where soils are subacidic to circumneutral. Dist: CT and NY west to s. ON, n. IN, s. IL, and sc. MO south to c. GA, c. AL, n. MS, n. LA, and ne. TX.

Origin/Endemic status: Native

Syn: = C, Pa, Va; = Heuchera americana var. americana – Ar, FNA8, K1, K3, K4, Mo3, NE, NY, Tn, Schuette et al (2018), Wells (1984); < Heuchera americana – RAB, W; > Heuchera americana var. americana – F, G, WV; > Heuchera americana var. brevipetala – G, NcTx, Tx, Rosendahl, Butters, & Lakela (1936); > Heuchera americana var. calycosa – Rosendahl, Butters, & Lakela (1936); > Heuchera americana var. heteradenia – F; > Heuchera americana var. subtruncata – F; > Heuchera americana var. typica – Rosendahl, Butters, & Lakela (1936); > Heuchera calycosa – S; > Heuchera curtisii – S; > Heuchera lancipetala – S

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