Cladonia species are known as Cup Lichens.
Cladonia humilis

©Raymond Small
Short-stalked pixie-cup lichen that grows on soil.
Cladonia fimbriata

©Raymond Small
A pixie-cup lichen with a long stalk looking similar to a 'golf tee'. It prefers unpolluted air and can be found on rotting logs.
Cladonia chlorophae

©Raymond Small
Cup lichen found in mossy, shaded, locations. The podetia(stalk) and cup interior are coarsely sorediate(having soredia). Soredia are powdery structures used in asexual reproduction.
Cladonia coniocraea squamulose

©Raymond Small
Very common lichen often found on mossy trunks and rotting stumps and logs.
Thank you to John Skinner and Brian Ecott for the identifications.
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