Parnassia grandifolia A.P. de Candolle. Limeseep Parnassia, Bigleaf Grass-of-Parnassus. Phen: Aug-Nov (-Dec). Hab: Fens, gravelly seepages, pineland seepage bogs and ecotones, primarily or solely over calcareous, mafic, or ultramafic rocks, in the outer Coastal Plain in seepage over marl on nearly vertical river bluffs on the Cape Fear River (NC) and in pineland seepage bogs. Dist: VA, WV, s. MO, and OK south to n. GA, Panhandle FL, s. MS (Sorrie & Leonard 1999), AR, and e. TX, primarily in the Appalachian and Ozarkian highlands.
Origin/Endemic status: Endemic
Syn: = Ar, C, F, FNA12, G, GW2, K1, K3, K4, Mo3, RAB, S, Tn, Tx, Va, W, WH3, WV, Alexander (1934b)
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