In Québec, the genus Collema (family Collemataceae) counts 4 species of mushrooms. The stars? Tree Jelly, Flaking Tarpaper Lichen and Blistered Jelly Lichen, the most often observed. The richest region: Bas-Saint-Laurent, with 3 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.