Steironema lanceolatum (Walter) Gray. Lanceleaf Loosestrife. Phen: May-Aug; Sep-Oct. Hab: Mesic to relatively dry forests, mafic and calcareous fens, bogs, forest edges, roadbanks, primarily on circumneutral soils. Dist: NJ, PA, OH, MI, and WI south to GA, Panhandle FL, AL, MS, LA, and ne. TX.

Origin/Endemic status: Native

Synonymy: = G, Il; = Lysimachia lanceolata Walter – Ar, C, F, FNA8, K1, K3, K4, Mi, NcTx, Pa, Tn, Tx, Va, W, WV, Coffey & Jones (1980), Estes, Shaw, & Mausert-Mooney (2015); = Lysimachia lanceolata Walter var. lanceolata – GW2, RAB, WH3; < Lysimachia lanceolata Walter – Fl5; > Steironema heterophyllum (Michx.) Baudo – S; > Steironema lanceolatum (Walter) Gray – S

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