Senecio streptanthifolius var. borealis (Torrey & A. Gray) J.F. Bain
Senecio streptanthifolius var. borealis (Torrey & A. Gray) J.F. Bain is a synonym sensu FNA Ed. Comm., 2006b of:
Packera streptanthifolia var. borealis (Torrey & A. Gray) Trock, an accepted variety name.