In Québec, the genus Gymnopilus (family Hymenogastraceae) counts 11 species of mushrooms. The stars? Yellow Gymnopilus, Common Rustgill and Scaly Rustgill, the most often observed. The richest region: Montérégie, with 7 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.