Triglochin gaspensis

Triglochin gaspensis (common name - Gaspé Peninsula arrow grass) is a species of flowering plant in the family Juncaginaceae, native to eastern Canada (New Brunswick, Newfoundland island, Nova Scotia, Prince Edward Island and Quebec), and Maine in the north-eastern United States, where it is found growing in the tidal zone of the Atlantic coast below the high-water mark. It was first described by Helmut Lieth and Doris Löve in 1961.