Cephalanthus occidentalis Linnaeus. Buttonbush, Honeyballs, Globe-flowers. Phen: Mar-Jul. Hab: Streambanks, riverbanks, depressional wetlands, lakes, marshes, often in standing water. Dist: NL, ME, ON, MI, WI, MN, NE, NM, AZ, and CA south through Mexico to Guatemala and Honduras; Cuba (where uncertainly native).

Origin/Endemic status: Native

Synonymy: = Ar, Fl5, GrPl, K1, K3, K4, Meso4.2, Mex, Mi, NcTx, NE, NY, Pa, RAB, S, Tn, Va, W, WH3, Ridsdale (1976), Rogers (1987); = Cephalanthus occidentalis L. var. occidentalis – GW2, including var. pubescens; > Cephalanthus occidentalis L. var. californicus Benth. – Tx; > Cephalanthus occidentalis L. var. occidentalis – C, F, G, Il, Tx; > Cephalanthus occidentalis L. var. pubescens – C, F, G, Il, Tx

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