Epidendrum lacustre (the "lake Epidendrum) is a sympodial orchid which is known to grow both epiphytically and lithophytically in the cloud forests and rainforests of Colombia, Costa Rica, Ecuador, Nicaragua, Peru and Venezuela at altitudes ranging from 1.2—2.5 km. The type of this species was found growing "on half-submerged rotten trees" in a Venezuelan marsh at an altitude of 2.4 km.