Cup lichen, Cladonia chlorophaea (aggregate), East Yorkshire.
Lichens growing on old wooden fence, Chiloe, Chile
Shield lichen, Parmelia sulcata, and moss, Padley, Derbyshire
Foliose lichen, Anjozorobe, Madagascar
Green foliose lichen, Anjozorobe, Madagascar
Golden crustose lichen, Caloplaca flavescens, on a churchyard headstone, Dorset
Lichen, Peltigera membranacea, Hardraw, Yorkshire Dales National Park, UK
Lichen zonation showing oil-tar lichen, Verrucaria maura (black zone), Caloplaca sp. and Xanthoria sp. (yellow zone) Mull, Scotland
Dog lichen, Peltigera hymenina, and moss, Mull, Scotland
Wolf's moss, Letharia vulpina, a lichen, growing on Norway spruce, Italian Alps. The species also occurs in North America
A crustose lichen, Xanthoria parietina, Valgrisenche, Italian Alps.
Map lichen, Rhizocarpon geographicum, Valgrisenche, Italian Alps. Also widespread in Europe, including the UK
A crustose lichen, probably Lechanora muralis or similar, and several other lichens. Valgrisenche, Italian Alps, Italy
Lichen, Calabria, Italy
Lungwort lichen, Lobaria pulmonaria, Calabria, Italy
Tephromela atra, syn. Lecanora atra, a crustose lichen found on siliceous rocks. Yorkshire
Marbled tree frog, Dendropsophus marmoratus, South America, camouflaged on an unidentified lichen.
Common orange lichen, Xanthoria parietina, on hawthorn twig. (Together with a shield lichen, Parmelia sulcata.)
Sea ivory, Ramalina silicosa, and several other lichens, Grass Point, Mull, Scotland. (A lichen)
Oak trees covered in lichen in the Dolomiti lucane, Basilicata, Italy
Cladonia species, probably C. pyxidata, Millers Dale, Derbyshire, Peak District
Gold Dust lichen Chrysothrix candelaris, growing around and over shield lichen, Parmelia sulcata, on sycamore bark.
Orange foliose lichen, Xanthoria elegans (elegant sunburst lichen). Baguales Valley, Chile