Symphyotrichum oblongifolium (Nuttall) Nesom. Eastern Aromatic Aster, Shale-barren Aster. Phen: Late Sep-Nov (-Jan). Hab: Rock outcrops and dry woodlands over limestone, calcareous shale, calcareous prairies Dist: NY, WI, MN, and MT, south to sc. VA, w. NC, nc. AL, n. MS, TX, and NM.

Origin/Endemic status: Native

Synonymy: = Ar, FNA20, Il, K1, K3, K4, Pa, Tn, Va, Nesom (1994a); = Aster oblongifolius Nutt. – C, F, GrPl, NcTx, Oh3, RAB, S, Tx, W; = Lasallea oblongifolia (Nutt.) Semple & Brouillet – Semple & Brouillet (1980a); = Virgulus oblongifolius (Nutt.) Reveal & Keener; > Aster oblongifolius Nutt. var. angustatus Shinners – G, SE1; > Aster oblongifolius Nutt. var. orientis Shinners – WV

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