Borovichev E.A. Botanical excursion on the Northern Soroya. Hammerfest, 2014.

Cliffs provide the highest diversity o f lichen biota everywhere in the world. Along sea cliffs in Seroya and often ascending to a height o f 50 meters there is high lichen diversity. Almost all species which occur in tundra and birch forest o f the Sareya can be found on the cliffs, although some of lichens grow exclusively in these rocky habitats. Lichens o f cliffs Protopannaria pezizoides grows on mosses growing Miriquidica atrofulva on a vertical rock wall on fine earth along rock ledges Placynthium asperellum on calcium-containing rock, together with Protopannaria sp. which uses cyanoprocaryota as photohiont 95