Cladonia humulis 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


Cladonia humulis
Cladonia humulis
Canford Cliffs, Dorset. January 2013

All images used are copyright. Please contact me if you find errors.