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Cirsium discolor (Muhlenberg ex Willdenow) Sprengel. Field Thistle. Phen: Aug-Nov. Hab: Pastures, woodlands, thickets. Dist: QC west to MB, south to NC, MS, LA, and KS.

Origin/Endemic status: Native

Synonymy: = Ar, C, F, FNA19, G, Il, K1, K3, K4, Mi, NE, NY, Oh3, Pa, S, SE1, Tn, Va, W; = Carduus discolor (Muhl. ex Willd.) Nutt. – RAB

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image of plant© Bruce A. Sorrie | Original Image ⭷