In Québec, the family Acarosporaceae (order Acarosporales) counts 6 species of mushrooms. The stars? Brown Cobblestone Lichen, Common Coal Dust Lichen and Sarcogyne wheeleri, the most often observed. The richest region: Montérégie, with 3 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.