⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35129644, with some changes.

Hypopterygium smithianum var. minus Wilson is a synonym of Hypopterygium didictyon Müll. Hal.

This name is a synonym of Hypopterygium didictyon Müll. Hal..

The record derives from Tropicos which reports it as a synonym (record 35129644) with original publication details: Fl. Nov.-Zel. 2: 118 118 1854.