Central Africa: Piece of water or seasonal water drying up the major part of the year; stagnating, slow to fast water, about 1.8 m depth, on granite, clay or diorite, from 0-2,000 m above sea level.
Southern Africa: In still or flowing water up to 2 m deep, or in marshes and dams, in pools in outcrops, 60-1,220 m; Perennial Epihydate