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Black Lichen (Verrucaria maura)
09-OCT-2011 Dick Keely

Black Lichen (Verrucaria maura)

Inis MeŠin, Co. Galway

Black Lichen (Verrucaria maura) is a smooth, thin lichen with a sooty black colour, delicately cracked surface and distinctive warts. It is tolerant of periodic bathing in seawater and salt spray and is sometimes mistaken for oil. Lichen are actually a combination of algal and fungal organisms living in symbiosis. It is found in north-west Europe and forms extensive crusts over coastal rocks. This specimen was found growing on a limestone wall, 300 m from the sea..

Canon Powershot G12
1/160s f/4.5 at 30.5mm iso800 full exif

other sizes: small medium original
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