Potentilla palustris var. parvifolia (Rafinesque) Fernald & B.H. Long

Potentilla palustris var. parvifolia (Rafinesque) Fernald & B.H. Long is a synonym sensu FNA Ed. Comm., 2014 of:

Comarum palustre Linnaeus, an accepted species name sensu FNA Ed. Comm., 2014.