Granite head.
Sainkt-Petersburg, Petrodvorets, Sergievka.
Description of "Granite head" biofouling map
Extensive surface fouling by the lichens with obvious domination Xanthoparmelia stenophylla.
Local biofouling by macro- and microlichens (main covering - Aspicilia sp.).
Algal-bacterial mat with participation of black-colored micromycetes and microlichens.
Surface crust formed by lichens with domination of Aspicilia sp.
Biofouling by macro- and microlichens with domination of Physcia sp.
Thin light-green laminae of lichen - Phaeophyscia sp. surround by Lecidella sp.
Stretched compact thallus of lichen - Protoparmeliopsis muralis surround by Verrucaria sp.
Sainkt-Petersburg, Petrodvorets, Sergievka.