⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50288077, and has not been changed.
Onosmodium longiflorum
is a synonym
of Macromeria longiflora
This name is a synonym of Macromeria longiflora .
The record derives from Tropicos which reports it as a synonym (record 50288077) with original publication details: Contr. Gray Herb. 49: 21 21 1917.