Riccardia amazonica is a species of . They are native to Pará, Mata Atlântica, Amazônia, Minas Gerais, Rio De Janeiro, Amapá, Cerrado, Alagoas, Espirito Santo, Bahia, GoiáS, SãO Paulo, and Pernambuco.
Definition: Forest associated to intermittent water courses, which can be wide (riverine) or narrower and with the canopy meeting over the river (gallery)