⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50113718, with some changes.
This name is a synonym of Triantha occidentalis subsp. montana .
The record derives from Tropicos which reports it as a synonym (record 50113718
) with original publication details: Canad. Field-Naturalist 71(2): 49 49 1957.