Senecio foetidus var. hydrophiloides (Rydberg) T.M. Barkley ex Cronquist

Senecio foetidus var. hydrophiloides (Rydberg) T.M. Barkley ex Cronquist is a synonym sensu FNA Ed. Comm., 2006b of:

Senecio hydrophiloides Rydberg, an accepted species name sensu FNA Ed. Comm., 2006b.