Pilea pumila (Linnaeus) A. Gray. Greenfruit Clearweed, Coolwort, Richweed. Phen: Aug-Sep (-Nov); Sep-Nov. Hab: Swamp forests, bottomlands, freshwater marshes, tidal marshes, disturbed wet ground. Dist: QC west to MN, south to FL, LA, and OK. Sometimes considered to also occur in e. Asia, or these populations separated as P. mongolica Weddell, the course followed here. Additional study is needed.

Origin/Endemic status: Native

Synonymy: = Ar, C, FNA3, G, GrPl, GW2, Il, K1, K3, K4, Mi, Pa, RAB, Tn, Va, W, WH3, WV; = Pilea pumila (L.) A.Gray var. pumila – NE, NY; < Adicea pumila (L.) Raf. – S; > Pilea pumila (L.) A.Gray var. deamii (Lunell) Fernald – F, K1, NcTx, Tx; > Pilea pumila (L.) A.Gray var. pumila – F, K1, Tx

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