This is a bright green algae with unbranched fillaments. It can cause multilayered crusts to form.
It has become increasingly common on fences and similar cut timber, it also grows on the soil surface.
Leicestershire & Rutland Map
Enter a town or village to see local records
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ 2015-2019 pre 2015