Spirulina tenuior (Legerheim) Kirchner

Остров Западный Шпицберген (West Spitsbergen island), северный берег залива Хорнсунд (Hornsund), слон южной эксп. горы Гнэльбергет (Gnålberget). Вертикальная стена скалы, занятой птичьим базаром. (Walls of rocky cliff on the Gnalberget slope occupied by colonies of fish−eating birds (Uria lomvia, Rissa tridactyla). Algae were collected from rocky surfaces directly under birds colonies. These places were in permanent contact with flowing water containing bird excrements).