Plectopycnis amazonensis Bat. & H. Maia

URM 50864. Place of collection: Brazil; Maranhão; Alto Turi. Date of collection: 6 September 1965. Associated organisms: Acanthorus maranhensis; Ainsworthia oblongotheca; Bertholletia excelsa; Sphaeropsidaceae gen.indet.; Stellopeltis philodendricola var. compacta; Stomiopeltis rubi. Collector: Peres, G.E.P..