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Spermacoce glabra Michaux. Smooth Buttonweed. Phen: May-Oct. Hab: Moist shores, bottomlands, riverside drawdowns, rocky riversides in the mountains, disturbed areas in the Coastal Plain. Dist: C. MD, s. OH, c. IN, c. IL, MO, and e. KS south to s. SC, Panhandle FL, s. AL, s. MS, LA, and e. TX. Perhaps only introduced in some parts of our area; see Wieboldt et al. (1998) for discussion.

Origin/Endemic status: Native

Synonymy: = Ar, C, F, Fl5, G, GrPl, GW2, Il, K1, K3, K4, NcTx, RAB, S, Tn, Tx, Va, WH3, Florentin, Florentin, & Salas (2020), Rogers (2005), Ward (2011b); > Spermacoceodes glabra (Michx.) Kuntze – Bacigalupo (1972)

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image of plant© Paul Marcum source | Original Image ⭷
image of plant© Paul Marcum source | Original Image ⭷
image of plant© Paul Marcum source | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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