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⚠ Version 1 of The Plant List has been superseded.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-106193, with some changes.

H Koellia verticillata (Michx.) Kuntze is a synonym of Pycnanthemum verticillatum (Michx.) Pers.

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

The record derives from WCSP which reports it as a synonym (record 106193) with original publication details: Revis. Gen. Pl. 2: 520 1891.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:133739-2.