In Québec, the genus Cetrelia (family Parmeliaceae) counts 3 species of mushrooms. The stars? Sea Storm Lichen, Speckled Rag Lichen and Chicita's Sea Storm Lichen, the most often observed. The richest region: Estrie, with 3 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.