In Québec, the genus Orthotrichum (family Orthotrichaceae) counts 6 species of mosses. The stars? Anomalous Bristle-moss, Stellate orthotrichum moss and Ohio orthotrichum moss, the most often observed. The richest region: Outaouais, with 4 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.