In Québec, the genus Rhizocarpon (family Rhizocarpaceae) counts 7 species of mushrooms. The stars? Map lichen, Boreal Single-spored Map Lichen and Map lichen, the most often observed. The richest region: Bas-Saint-Laurent, with 5 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.