English name: Water earwort
A leafy liverwort with large, dark green, reddish or yellowish-green shoots. The leaf lobes are rounded and straight-keeled and adpressed to each other. The front lobe does not run down the stem, but the back lobe does.
In Scotland, Scapania undulata is widespread in wet places such as damp sand, gravel and boulders in streams and old quarries, by woodland tracks and ditches, and in flushes and spring in the uplands. BBS distribution map
Confusion species: Scapania irrigua, Scapania nemorea
scottishlichens.co.uk 