⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-171076, and has not been changed.
This name is a synonym of Pycnanthemum tenuifolium .
The record derives from WCSP which reports it as a synonym (record 171076
) with original publication details: Rhodora 72: 50 1970.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:214757-2
.