BI tree based on the ITS sequence datasets. The node numbers indicate the bootstrap support values (BS) above 70% and posterior probabilities (PP) over 0.7 as BS/PP. Hydnoporia specimens examined in this study are shown in bold. Newly generated sequences in this study are shown in blue and bold. Porodaedalea alpicola (Cui 12280) is used as an outgroup. Letter codes after specimen voucher indicate ISO 3166 country code followed by the origin province. Detailed information is in Table 1. Type specimens are indicated with “T”.