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The bioluminescent agaric, Agaricus gardneri Berk., was rediscovered recently in central Brazil. The new combination, Neonothopanus gardneri, is proposed for this long-forgotten taxon supported by morphological and molecular data.

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Lentinula raphanica (Basidiomycota, Marasmiaceae) has been found in the Amazonian region of Brazil for the first time. Sequencing of the LSU region of the nuclear ribosomal DNA confirms the identity of the species. Macro-and microscopic descriptions and illustrations are provided, and the American distribution of Lentinula species is summarized.

ABSTRACT

-(Cystoderma, Cystodermella and Ripartitella in Atlantic Forest, São Paulo State, Brazil). This paper reports on the genera Cystoderma, Cystodermella and Ripartitella from Atlantic Rainforest, Southeast Brazil. They are represented by Cystoderma chocoanum, Cystodermella contusifolia, C. sipariana and Ripartitella brasiliensis. Cystoderma chocoanum is reported for the fi rst time outside the type locality (Colombia) and its relationship with others species of Cystoderma, based on nLSU rDNA sequences, is discussed.