Ludwigia irwinii is a species of plants in the family Onagraceae. They are native to Mata Atlântica, Rio De Janeiro, Mato Grosso Do Sul, SãO Paulo, Mato Grosso, Minas Gerais, Cerrado, and Paraná.
Definition: Forest associated to intermittent water courses, which can be wide (riverine) or narrower and with the canopy meeting over the river (gallery)
Definition: This organism produces this material or substance, either during its life or after death. A produces B if some process that occurs in A has output B.
Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)