Sorbus sitchensis subsp. grayi (Wenzig) Calder & Roy L. Taylor

Sorbus sitchensis subsp. grayi (Wenzig) Calder & Roy L. Taylor 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.