Calicium chlorosporum
# Calicium chlorosporum

Calicium chlorosporum is a crustose lichen that is found growing on trees throughout much of the world.

The lichen has a pale brownish yellow to beige, verrucose, areolate or subimmersed thallus. The apothecia is 0.75 to 1.1 millimetres (0.030 to 0.043 in) high with a shining black to brownish stalk that is typically 0.8 to 0.16 millimetres (0.031 to 0.006 in) diameter.

The species is found in Africa, North, Central and South America, and in Australasia.

