⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-12302490, with some changes.

Kalmia polifolia subsp. microphylla (Hook.) Calder & Roy L. Taylor is a synonym of Kalmia microphylla (Hook.) A. Heller

This name is a synonym of Kalmia microphylla (Hook.) A. Heller.

The record derives from Tropicos which reports it as a synonym (record 12302490) with original publication details: Canad. J. Bot. 43(11): 1398 1398 1965.