Packera dubia (Sprengel) Trock & Mabberley. Phen: Apr-early Jun. Hab: Sandy roadsides, sandy woodlands and forests, granitic flatrocks, granitic domes. Dist: S. NJ south to GA, west to TX, primarily on the Coastal Plain, but extending inland in the Piedmont and Mountains in thin sandy soils around rock outcrops, and as a roadside weed.
Origin/Endemic status: Endemic
Synonymy: = Mabberley (2020), replacement name; = Packera tomentosa (Michx.) C.Jeffrey – Ar, FNA20, K1, K3, Va, Barkley (1999), Kowal & Mahoney (2016); = Senecio tomentosus Michx. – C, F, G, GW2, RAB, SE1, Barkley (1978), nom. illegit.; > Senecio alabamensis Britton – S; > Senecio tomentosus Michx. – S, nom. illegit.