⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35133928, with some changes.
This name is a synonym of Isopterygium laxum .
The record derives from Tropicos which reports it as a synonym (record 35133928
) with original publication details: Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1877--78: 266 (Gen. Sp. Musc. 2: 530) 266 1880.