Ludwigia Repens Ludwigia repens, a classic aquarium plant, grows along the margins of any freshwater body of water in the southern United States, Central America, and the Caribbean Islands. In the wild, it is a very polymorphic species in that it readily crosses with other species of its genus. This characteristic makes identification between geographical varieties difficult. Ludwigia Repens is now one of the most commonly available aquarium plants around the world. You will get 1 bunched of Ludwigia Repens. (total 6+ stems ) Photo are not the actual products you will receive, but a sample representation.