Abstract
Collections from field expeditions to the Atlantic Forest and to Amazonia in Brazil and revision of herbarium material revealed the presence of Trechispora specimens that could not be assigned to any described species. Phylogenetic analysis based on nuc rDNA ITS1-5.8S-ITS2 (ITS) and nuc 28S rDNA (28S) regions confirmed that these specimens belong to two new species, here described as Trechispora mollis and Trechispora torrendii. Trechispora mollis has a densely hydnoid hymenophore and is most similar to T. nivea, but differs from it by the presence of inflated cells in the subiculum. Trechispora torrendii has a minutely grandinioid hymenophore similar to T. farinacea, but these two species are genetically well separated. The new combinations T. brasiliensis and T. mellina are proposed, and new records from Brazilian regions and biomes are reported. Descriptions, illustrations, a key to Brazilian species of Trechispora, the first sequence of T. rigida, and a phylogeny for the genus are presented.
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Acknowledgments
We thank Usina Colônia for the support during the field trips of RSC in RPPN Frei Caneca; Herbário Pe. Camille Torrend (URM) for loaning the exsiccates; and the staff of Laboratório de Micologia Aplicada (Universidade do Minho) for helping TBG sequencing T. thelephora (URM93137 and URM93138). Further, we acknowledge the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) for the master scholarship and Fundação de Amparo à Ciência e Tecnologia do Estado de Pernambuco (FACEPE) for the doctorate scholarship of RSC; the Conselho Nacional de Desenvolvimento Científico e Tecnológico (PROTAX 562106/2010-3, Universal 472792/2011-3, SISBIOTA 563342/2010-2), CAPES (Capes-SIU 008/13, PRINT 88887.311891/2018-00) and FACEPE (APQ 0788-2.03/12, ATP-0021-2.03/18) for financing this research, and Pós-Graduação em Biologia de Fungos (UFPE) for financial support.
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dos Santos Chikowski, R., Larsson, KH. & Gibertoni, T.B. Taxonomic novelties in Trechispora (Trechisporales, Basidiomycota) from Brazil. Mycol Progress 19, 1403–1414 (2020). https://doi.org/10.1007/s11557-020-01635-y
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DOI: https://doi.org/10.1007/s11557-020-01635-y