Thaspium pinnatifidum (Buckley) A. Gray. Phen: May-Jun; Jun-Jul. Hab: Forests and woodlands over calcareous rock, such as limestone, dolostone, or calcareous siltstone). Dist: W. NC, e. TN (Chester, Wofford, & Kral 1997), and nw. GA. The report from VA is of unknown documentation; previous reports from nw. KY represent Thaspium species 1. The distribution and rarity of this plant is also obscured by confusion with T. chapmanii.
Origin/Endemic status: Endemic
Synonymy ⓘ: < Thaspium pinnatifidum (Buckley) A.Gray – C, F, G, K1, K3, K4, MC, RAB, S, Tn, W, Cooperrider (1985), Coulter & Rose (1900)
Heliophily ⓘ: 5
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