Morphological and Phylogenetic Evidence Reveal Nine New Species of Russula (Russulaceae, Russulales) from Shanxi Province, North China

Shanxi Province, located in northern China, characterized by a warm-temperate monsoon climate, complex mountainous topography, and vegetation dominated by trees of Fagaceae and Pinaceae, provides diverse habitats for <i>Russula</i> diversity. Recent investigations on macrofungi in this region revealed nine new <i>Russula</i> species based on integrated morphological and multi-locus phylogenetic analyses (ITS, nrLSU, rpb2, tef1), which are described and illustrated in this paper. These new taxa are classified into three subgenera of <i>Russula</i>: one species of subgen. <i>Brevipes</i>, four of subgen. <i>Heterophyllidia</i>, four of subgen. <i>Russula</i>. This work enhances the understanding of <i>Russula</i> resources in China's temperate zone.