The genus name Hydnoporia is reinstated to encompass the Hymenochaete tabacina group currently addressed to Pseudochaete (illegitimate genus) or Hymenochaetopsis. Identity of the type species of Hydnoporia, Sistotrema fuscescens (= Hydnoporia olivacea in current sense), is clarified, and a lectotype is selected. In total, 12 species are combined in Hydnoporia: H. corrugata, H. gigasetosa, H. lamellata, H. laricicola, H. latesetosa, H. lenta, H. rhododendri, H. rimosa, H. subrigidula, H. tabacina, H. tabacinoides, and H. yasudai. Hydnoporia diffissa is described as new. Analyses of all available ITS (94) and newly produced tef1 sequences (20) indicate that there are at least 20-27 species in the genus. Identity of the type species of Hymenochaete, H. rubiginosa, is clarified; the name is retained for the species so named in Europe while other species are present in North America and East Asia. Additionally, three new combinations in Hymenochaete are proposed: H. campylopora (= Cyclomyces fuscus), H. microcycla (= Cyclomyces tabacinus), and H. saepiaria.
CITATION STYLE
Miettinen, O., Larsson, K. H., & Spirin, V. (2019). Hydnoporia, an older name for Pseudochaete and Hymenochaetopsis, and typification of the genus Hymenochaete (Hymenochaetales, Basidiomycota). Fungal Systematics and Evolution, 4, 77–96. https://doi.org/10.3114/fuse.2019.04.07
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