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Tiarella austrina (Lakela) Nesom. Escarpment Foamflower. Phen: Apr-Jun. Hab: Moist forests, cove forests, rock outcrops, well-drained bottomland forests. Dist: Southern Blue Ridge of sw. NC (south and west from the Asheville Basin), se. TN, nw. SC, and ne. GA; disjunct westwards in the Cumberland Plateau and Eastern Highland Rim of sc. TN (Franklin County) and n. AL (Jackson and Madison counties).

Origin/Endemic status: Endemic

Synonymy: = Nesom (2021a); = Tiarella cordifolia L. var. austrina – G; < Tiarella cordifolia L. – FNA8, S, S13, Tn, W; < Tiarella cordifolia L. var. collina Wherry – RAB; >< Tiarella macrophylla Small – S, S13, type a combination of Heuchera and Tiarella

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Wetland Indicator Status:

  • Eastern Mountains and Piedmont: FAC (taxonomic split from wetland indicator species)
  • Midwest: FACU (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily: 3

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image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷

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