In Québec, the genus Trichoderma (family Hypocreaceae) counts 8 species of mushrooms. The stars? Trichoderme soufré, Trichoderma latizonatum and Trichoderma viride, the most often observed. The richest region: Outaouais, with 5 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.