Examination of the generic concept and species boundaries of the genus Erioscyphella (Lachnaceae, Helotiales, Ascomycota) with the proposal of new species and new combinations based on the Japanese materials

Erioscyphella insulae TNS-F-39720 (Holotype) A dried apothecia B a pure culture on PDA (NBRC 114459) C asci D ascal pore MLZ (+) E ascospores F ascogenous hyphae G paraphyses H layer structures of excipulum H1 medullary excipulum H2 inner layer of ectal excipulum composed of hyphae H3 outer layer of ectal excipulum composed of textura angularis I, J hairs with apical amorphous materials. Mounted in CB/LA (C, E–J), MLZ (D). Scale bars: 1 mm (A); 10 µm (A–J).