The family Trypetheliaceae (Loculoascomycetes: lichenized Melanommatales) in Amazonian Brazil.

  • Harris R
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Abstract

The family Trypetheliaceae is redefined including a key to the genera. Exiliseptum gen. nov. is described. Keys to the species are provided for the six genera which occur in Amazonian Brazil along with brief comments on the three other genera. Thirty-five species are included, tem new species described and ten new combinations proposed.A posição das Trypetheliaceae é discutida e redefinida apresentando nove gêneros, a saber: Astrothelium, Campylothelium, Cryptothelium, Exiliseptumgen. nov., Laurera, Pleurotrema, Polymeridiuum, Pseudopyrenula e Trypethelium. Destes gêneros, alguns são claramente artificiais, mas sendo conservado até um estudo mais minuncioso. Dos nove gêneros, seis são relatados para a Amazônia brasileira: Astrothelium (13 spp.), Cryptothelium (2 spp.), Exiliseptum (1 sp), Laurera (4spp.), Polymeridium (4 spp.), e Trypethelium (11 spp.). Foram descritas 10 espécies novas: Astrotheliu, gigasporum, A. interjectum, A. pseudocyphellatum, Cryptothelium amazonum, C. rhodotitthon, Laurera aurata, Polymeridium biloculares. Trypethelium buckii, T. neogalbineum and T. violascens. Ainda foram propostas dez combinações novas, a saber: Exiliseptum ocellatum (Müll. Arg.) R.C. Harris, Laurera subdisjunta (Müll. Arg.) R.C. Harris, Pleurotrema acrophaena (Müull Arg.) R.C. Harris, Polymeridium albidum (Müll. Arg.) R.C. Harris, P. catapastum (Nyl.) R.C. Harris, P. pleiomeroides(Müll. Arg.) R.C. Harris, Trypethelium floridanum (Zahlbr. ex. Choisy) R.C. Harris, T. nitidiusculum (Nyl.) R.C. Harris, T. thelotremoides (Nyl.) R.C. Harris e T. tuberculosum (Vainio) R.C. Harris. São apresentadas sinonímias completas para a família, os gêneros e as espécies aqui estudadas, e a chave de identificação.

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Harris, R. C. (1984). The family Trypetheliaceae (Loculoascomycetes: lichenized Melanommatales) in Amazonian Brazil. Acta Amazonica, 14(suppl 1-2), 55–80. https://doi.org/10.1590/1809-43921984145080

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