Montia chamissoi is a species of flowering plant in the purslane family known by the common names of water minerslettuce, water montia, Indian lettuce, and toad lily. It is native to much of western North America from Alaska to the southwestern and central United States and also in British Columbia. It grows in moist to wet soils in a variety of habitat types, such as meadows, wetlands, plains, and montanes (Kershaw et al., 1998). It is sometimes aquatic, anchoring in mud and floating in water.