In Québec, the family Pontederiaceae (order Commelinales) counts 3 species of plants. The stars? Pickerelweed, Grass-leaf mud-plantain and Floating water-hyacinth, the most often observed. The richest region: Capitale-Nationale, with 3 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.