Cladoniaceae Cladonia humulis Primary thallus squamulose, secondary thallus fruticose Chemical results: K+/- yellow, C-, KC-, P+ red, UV- Found on dry, sandy, recently disturbed sea-cliffs, dunes, gardens and coastal roadsides. Persistent +/- rounded and incised basal squamules, often forming continuous carpet. Podetia to 5mm, grey or green-grey, the cups subsessile or abruptly tapered to short stalk, not proliferating from rims. Persistently corticate at base, densely farinose-sorediate above and within cup. Brown apothecia and pycnidia are rare.

Cladonia humulis
Canford Cliffs, Dorset. January 2013