⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35137931, with some changes.

Isothecium arbuscula var. deflexum (Wilson) Wilson is a synonym of Thamnium deflexum (Wilson) Kindb.

The record derives from Tropicos which reports it as a synonym (record 35137931) with original publication details: Fl. Nov.-Zel. 2: 104 104 1854.