Oxalis illinoensis Schwegman. Illinois Wood-sorrel. Phen: Apr-Sep. Hab: Dry to dry-mesic forests and bluffs, often but not necessarily calcareous. Dist: S. IN and s. IL south through KY to c. TN.
Origin/Endemic status: Endemic
Synonymy ⓘ: = FNA12, Il, K1, K4, Tn; = n/a – C
Heliophily ⓘ: 3
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