In Québec, the genus Mnium (family Mniaceae) counts 6 species of mosses. The stars? Ambiguous Thyme-moss, Largetooth calcareous moss and Olivegreen calcareous moss, 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.