The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-106187, with some changes.

H Koellia mutica (Michx.) Britton ex Small & Vail is a synonym of Pycnanthemum muticum (Michx.) Pers.

This name is a synonym of Pycnanthemum muticum (Michx.) Pers..

The record derives from WCSP which reports it as a synonym (record 106187) with original publication details: Mem. Torrey Bot. Club 4: 145 1893.