Cladoniaceae Pycnothelia papillaria Identification by Neil Sanderson Chemical results: K+ yellow, C-, P-. Medulla UV+ blue-white Can be locally frequent on acidic peaty soils on wet moors and heathland Primary thallus of persistent whitish-grey granules. Hollow, cylindrical, simple or branched podetia tipped with dark pycnidia or brown apothecia.

Pycnothelia papillaria
Wessex Lichen Group Meeting. Holt Heath, Dorset. March 2014