Calothrix parietina Thuret ex Bornet et Flahault

The Polar Urals Mountains. Unnamed mountain, 832,5 m alt. North exposure slope, a wet wall of rock.

The Polar Urals Mountains. Sidyayambtoso river valley. The waterfall on the river. On the wet wall of the bank's rock.

The Polar Urals Mountains. Sidyayambtoso river valley. The waterfall on the river. On the wet wall of the bank's rock.

The Polar Urals Mountains. The unnamed mountain (1070 m), the slope of the south exposure. On the wet wall of rock.

The Polar Urals Mountains. The southern shore of Sidyayambto lake, the unnamed mountain, slope of the north exposure. On the wet wall of rock.