Micranthemum umbrosum (J.F. Gmelin) Blake. Shade Mudflower. Phen: May-Oct. Hab: Shallow pools, stagnant streams, wet depressions in swamp forests. Dist: Se. VA south to FL, west to TX, and south into tropical America (Mexico, Central America, West Indies, e. South America).
Origin/Endemic status: Native
Syn: = C, F, FNA17, G, GW2, K1, K3, K4, RAB, Va, WH3, Pennell (1935); = Globifera umbrosa – S; = Micranthemum umbros – Fl6, orthographic variant
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