Verrucariaceae Endocarpon pusillum Growth type squamulose Chemical results negative Uncommon, found in SW England, S Wales and Yorkshire on soil and cliffs over limestone, chalk and greensand BLS conservation evaluation: NT NS The adpressed squamules are scattered or contiguous, pale to dark red-brown above, pale or black below with usually conspicuous rhizines. Squamules become dark-green when wet. Asci usually 2-spored, spores muriform, (25-)45-55 x 14-19(-23) µm. Other British Endocarpon species do not have rhizines

Endocarpon pusillum
On soil in shaded crevice. The Purbecks, Dorset. February 2013