Sorbus sambucifolia var. pumila (Rafinesque) Koehne

Sorbus sambucifolia var. pumila (Rafinesque) Koehne is a synonym sensu FNA Ed. Comm., 2014 of:

Sorbus sitchensis var. grayi (Wenzig) C.L. Hitchcock, an accepted variety name sensu FNA Ed. Comm., 2014.