Isoetes dubsii and Isoetes santacruzensis, two new species from lowland areas in South America by Jovani B. de S. Pereira, José Tasso F. Guimaraes, Maurício T. C. Watanabe

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Model of wetland development of the Amapá coast during the late Holocene by José T.F. Guimarães, Marcelo C.L. Cohen, Marlon C. França, Rúben J. Lara, Hermann Behling

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Holocene history of a lake filling and vegetation dynamics of the Serra Sul dos Carajás, southeast Amazonia by JOSÉ T.F. GUIMARÃES, PRAFULLA K. SAHOO, PEDRO W.M. SOUZA-FILHO, MARIANA M.J. COSTA DE FIGUEIREDO, LUIZA S. REIS, MARCIO S. DA SILVA, TARCÍSIO M. RODRIGUES

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Late Quaternary hydroclimate and vegetation changes in an upland lake in southeastern Amazonia by EDILSON F. DA SILVA, KAREN S. LOPES, RONNIE ALVES, LÉA MARIA M. CARREIRA, DELMO F. DA SILVA, LUIZA A. ROMEIRO, WILSON F. BATISTA JÚNIOR, TARCÍSIO M. RODRIGUES, RICARDO S. SECCO, JOSÉ TASSO F. GUIMARÃES

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Mapping and quantification of ferruginous outcrop savannas in the Brazilian Amazon: A challenge for biodiversity conservation. by Pedro Walfir M Souza-Filho, Tereza C Giannini, Rodolfo Jaffé, Ana M Giulietti, Diogo C Santos, Wilson R Nascimento, José Tasso F Guimarães, Marlene F Costa, Vera L Imperatriz-Fonseca, José O Siqueira

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Morphology and morphometry of upland lakes over lateritic crust, Serra dos Carajás, southeastern Amazon region by MARCIO S. DA SILVA, JOSÉ T.F. GUIMARÃES, PEDRO W.M. SOUZA FILHO, WILSON NASCIMENTO JÚNIOR, PRAFULLA K. SAHOO, FRANCISCO R. DA COSTA, RENATO O. SILVA JÚNIOR, TARCÍSIO M. RODRIGUES, MARLENE F. DA COSTA

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Conservation implications of genetic structure in the narrowest endemic quillwort from the Eastern Amazon by Jeronymo Dalapicolla, Ronnie Alves, Rodolfo Jaffé, Santelmo Vasconcelos, Eder Soares Pires, Gisele Lopes Nunes, Jovani Bernardino de Souza Pereira, José Tasso F. Guimarães, Mariana C. Dias, Taís Nogueira Fernandes, Daniela Scherer, Fernando Marino Gomes dosSantos, Alexandre Castilho, Mirella Pupo Santos, Emiliano Nicolas Calderón, Rodrigo Lemes Martins, Rodrigo Nunes daFonseca, Francisco de Assis Esteves, Cecílio Frois Caldeira, Guilherme Oliveira

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