⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35120250, with some changes.
This name is a synonym of Trematodon longicollis Michx..
The record derives from Tropicos which reports it as a synonym (record 35120250) with original publication details: Bot. Zeitung (Berlin) 22: 350 350 1864.