Drymocallis arguta (Pursh) Rydberg. Phen: May-Aug. Hab: Dry, rocky barrens over greenstone or basalt, other dry, barren sites, fields, dry woodlands. Dist: QC west to NT, south to w. VA, IN, AR, and AZ. Reported for e. TN by Gattinger (1901); the documentation unknown.
Origin/Endemic status: Native
Synonymy: = Ar, FNA9, Il, K3, K4, Mi, NE, NY, Ertter (2007); = Potentilla arguta Pursh – F, G, Pa, WV; = Potentilla arguta Pursh ssp. arguta – K1; = Potentilla arguta Pursh var. arguta – C, GrPl