Browsing by Subject "New taxa"

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  • Malysheva, Vera; Spirin, Viacheslav; Miettinen, Otto; Kout, Jiří; Savchenko, Anton; Larsson, Karl-Henrik (2019)
    In the present paper, we select a neotype for Tremella cerasi and prove that it is conspecific with Ditangium insigne (the genus type of Ditangium). We argue that Ditangium should be restored as a correct genus for T. cerasi, while the currently used generic name Craterocolla is to be treated as its younger synonym. Morphological, ecological and genetic variability of Ditangium cerasi is discussed, and two other Ditangium species are described—D. altaicum, sp. nov. and D. incarnatum, comb. nov. In addition, Exidia fulva is combined in Globulisebacina.
  • Spirin, Viacheslav; Malysheva, Vera; Miettinen, Otto; Vlasak, Josef; Mendes Alvarenga, Renato Lucio; Gibertoni, Tatiana Baptista; Ryvarden, Leif; Larsson, Karl-Henrik (2019)
    The taxonomy of Protomerulius and Heterochaetella is revised based on DNA data and morphological evidence, and their type species, P. brasiliensis and H. dubia, are proved to be congeneric. As a consequence, H. dubia and related species, of which four are described as new, are placed in Protomerulius. Heterochaete microspora is also combined in Protomerulius, and the genus concept is redefined to encompass effused species with smooth or spiny hymenophore and monomitic hyphal structure. Psilochaete multifora, gen. and spec. nov. is a distant relative of Protomerulius spp. found in Norway. Heterochaetella cystidiophora is re-collected in Brazil and placed in the synonyms of Heterochaete sanctae-catharinae. This species does not belong to the Protomerulius-Heterochaetella lineage, and it is transferred to Metulochaete, gen. nov.
  • Spirin, Viacheslav; Volobuev, Sergey; Viner, Ilya; Miettinen, Otto; Vlasák, Josef; Schoutteten, Nathan; Motato-Vásquez, Viviana; Kotiranta, Heikki; Hernawati, Nana; Larsson, Karl-Henrik (2021)
    The taxonomy of Sistotremastrum (Trechisporales, Basidiomycota) is revised based on morphology and DNA data. The genus is shown to be polyphyletic, and therefore it is split into two units-Sistotremastrum s. str. and Sertulicium, gen. nov. (typified with Corticium niveocremeum). Sistotremastrum s. str. is retained for eleven species of which eight are described as new while Sertulicium encompasses at least six species, including one new to science. Both of these genera are only distantly related to other representatives of the Trechisporales. Additionally, a new poroid neotropical species, Porpomyces abiens (Hydnodontaceae), is described as morphologically similar to some members of Sistotremastrum s. str.