⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35145329, with some changes.

Zygodon undulatus (Dozy & Molk.) Müll. Hal. is a synonym of Mitthyridium undulatum (Dozy & Molk.) H. Rob.

This name is a synonym of Mitthyridium undulatum (Dozy & Molk.) H. Rob..

The record derives from Tropicos which reports it as a synonym (record 35145329) with original publication details: Linnaea 18: 774 774 1845.