Arabis patens Sullivant. Spreading Rockcress. Phen: May-Jun; Jun-Aug. Hab: Thin soils around calcareous or dolomitic outcrops, very rarely in nutrient-rich seepage from mafic rocks. Dist: Irregularly distributed, primarily in the sedimentary rock Appalachians, from se. PA, c. PA, and IN south to NC, e. TN, and AL
Origin/Endemic status: Endemic
Syn: = C, F, FNA7, G, K1, K3, K4, Pa, RAB, S, Va, W, Al-Shehbaz (1988a), Hopkins (1937), Rollins (1993); = Boechera patens – K2, Tn, Al-Shehbaz (2003)
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