Lichenomphalia umbellifera

Lichenomphalia umbellifera  Mushroom Lichen         1 cm             

This species has been bandied about in a number of genera.  Recently it was known under numerous names, including Omphalina ericetorum, Omphalina umbellifera and Phytoconis ericetorum.  The lichen thallus is the green scum that occurs commonly here on soil and well-rotten wood.