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Ratibida columnifera (Nuttall) Wooton & Standley. Columnar Prairie Coneflower. Phen: May-Aug (-Oct). Hab: Prairies, eastwards in dry disturbed areas, established around nurseries or plantings, waste areas near wool-combing mills. Dist: ON west to AB, south to TX, NM, AZ, and Mexico (CHH, COA, HID, NLE, PUE, SLP, SON, TAM, VER, ZAC); introduced at scattered sites eastward, including e. NC, e. SC, and c. TN (Chester, Wofford, & Kral 1997). Populations in the Black belt prairies of MS and AL are plausibly native.

Origin/Endemic status: Native

Synonymy: = Ar, C, F, Fl7, FNA21, G, GrPl, Il, K1, K3, K4, Mex, Mi, NcTx, NE, NY, Oh3, Pa, SE1, WH3, WV, Richards (1968); = n/a – RAB; = Ratibida columnaris (Sims) D.Don – S, Tx

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© J.W. Hardin | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷

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