⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35129593, with some changes.

Hypopterygium novae-seelandiae subsp. viridulum Kindb. 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 35129593) with original publication details: Hedwigia 40: 292 292 1901.