⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35133747, with some changes.
This name is a synonym of Isopterygium brevisetum .
The record derives from Tropicos which reports it as a synonym (record 35133747
) with original publication details: J. Linn. Soc., Bot. 12: 515 515 1869.