⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35177003, with some changes.
This name is a synonym of Isopterygium pallidulum (Mitt.) A. Jaeger.
The record derives from Tropicos which reports it as a synonym (record 35177003) with original publication details: J. Proc. Linn. Soc., Bot., Suppl. 2: 105 105 1859.