Thirteen fern species are reported for the first time for Brazil. Among the new records, eight are from Acre state (Cyatheasubincisa, Cyclodiumtrianae, Elaphoglossumstenophyllum, Hypoderrisbrauniana, Pleopeltisstolzei, Thelypterisarcana, Thelypteriscomosa, Thelypterisvaldepilosa), two are from Pará state (Polypodiumflagellare, Tectariaheracleifolia), one from Minas Gerais state (Alsophilasalvin...

Classical concepts of post-disturbance succession through well-defined sera1 stages to a well-defined climax stage(s) are not a useful conceptual framework for predicting species composition of regeneration resulting from the application of regeneration treatments in complex southern hardwood forests. Hardwood regeneration can be better understood, and more useful prediction models can be devel...

Classical concepts of post-disturbance succession through well-defined seral stages to a well-defined ,climax stage( s) are not a useful conceptual framework for predicting species composition of regeneration resulting from the application of regeneration treatments in complex southern hardwood forests. Hardwood regeneration can be better understood, and more useful prediction models can be dev...