Crescent-cup Liverwort

Lunularia cruciata

Crescent-cup Liverwort (Lunularia cruciata)

This pale green liverwort forms large branching thalli up to 12mm wide. It is dotted with tiny air pores and has a shiny surface. It is covered in crescent-shaped cups which contain green, disc-like gemmae (reproductive parts), and is the only thallose liverwort to do so. Capsules are rare.

It is often found in gardens and greenhouses and treated as a weed. It particularly likes damp and shady places, and can also be found near the base of damp walls, near water courses, or on shaded soil. Very common and widespread throughout Britain.

Photographs of Crescent-cup Liverwort (Lunularia cruciata) taken February 2014, nature reserve pool, Staffordshire. © Pete Hillman 2014. Camera used Nikon Coolpix P500.

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