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2. Recursos vegetais de Pernambuco;Andrade-Lima;Boletim do IPA,1970
3. The soil seed bank during Atlantic forest regeneration in southeast Brazil;Baider;Revista Brasileira de Biologia,2001
4. Frutos e Sementes: Morfologia Aplicada à Sistemática de Dicotiledôneas;Barroso,1999
5. Habitat alteration and species loss in Brazilian forests;Brown,1992