Alisma triviale, the northern water plantain,[2] is a perennial semi-aquatic or aquatic plant in the water-plantain family (Alismataceae).

It is a perennial herb that ranges in height from 1-3 ft.[3] Each plant has long-petioled, lanceolate and linear leaves that grow in a clump.

The flowers have 3 green sepals and 3 white or pink-tinged petals.

[3] The plant is native to Canada (including the Northwest Territories), the United States (including Alaska), and Northern Mexico.

[4][5][6] It grows in shallow water or mud.