Argentina anserina (Linnaeus) Rydberg. Silverweed. Phen: May-Jun. Hab: Lawns, disturbed areas, northwards on beaches and shores. Dist: Circumboreal, south in North America to MA, NY, nw. PA, OH, IN, IL, IA, NE, NM, AZ, and CA; also scattered farther south, apparently as an introduction, as in Sevier County, TN (Chester, Wofford, & Kral 1997), se. PA (Rhoads & Klein 1993; Rhoads & Klein 2007), MD (BONAP 2010), and n. NJ (BONAP 2010).

Origin/Endemic status: N. North America

Synonymy: = Argentina anserina (L.) Rydb. ssp. anserina; = Potentilla anserina L. ssp. anserina – FNA9, K3, K4, NY; < Argentina anserina (L.) Rydb. – Il, K1, Mi, NE; < Potentilla anserina L. – C, F, G, GrPl, Pa

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