Kalmia polifolia subsp. microphylla (Hooker) Calder & Roy L. Taylor

Kalmia polifolia subsp. microphylla (Hooker) Calder & Roy L. Taylor is a synonym sensu FNA Ed. Comm., 2009 of:

Kalmia microphylla (Hooker) A. Heller var. microphylla, an accepted variety name sensu FNA Ed. Comm., 2009.