Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz ssp. lyrata . Lyreleaf Rockcress, Dwarf Rockcress, Sandcress. Phen: Mar-Jun; Apr-Sep. Hab: Rock crevices in or thin soil around calcareous or mafic rock outcrops. Dist: The species is widespread in n. North America and e. Asia, south in e. North America to NC, e. TN, and n. GA; ssp. lyrata is strictly North American, from NY west to AK, south to NC, GA (?), TN, MS, MB, SK, AB, and BC

Origin/Endemic status: Native

Other Comments: The GA record is an old and indefinite collection ("northern Georgia") by Vasey.

Synonymy: = FNA7, Il, NE, NY, Va, O'Kane & Al-Shehbaz (1997); = Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz – K4; = Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz var. lyrata – Al-Shehbaz (1988a), Rollins (1993); < Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz – Mi, Tn, Tx; < Arabis lyrata L. – C, F, G, K1, Pa, RAB, S, W

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