biostudies-literatureUnknown107Chen YFoundation for Innovative Research Groups of the National Natural Science Foundation of ChinaFour new species of Russulasubsect.Cyanoxanthinae, viz. <i>Russulaatrochermesina</i> Y.L. Chen & J.F. Liang, <i>R.lavandula</i> Y.L. Chen, B. Chen & J.F. Liang, <i>R.lilaceofusca</i> Y.L. Chen & J.F. Liang and <i>R.perviridis</i> Y.L. Chen, B. Chen & J.F. Liang, from China are proposed, based on morphological and molecular evidence. <i>Russulaatrochermesina</i> can be distinguished by its violet pileus with tuberculate-striate margin, distant lamellae that stain greyish-yellow when bruised, basidiospores ornamented by isolated warts, wide hymenial cystidia on lamellae edges, cystidia content negative reaction in sulphovanillin and branched subterminal cells in pileipellis. <i>Russulalavandula</i> has a purplish-white to violet red pileus with a yellow centre, frequently present lamellulae MycoKeys21-50https://www.ebi.ac.uk/biostudies/studies/S-EPMC11258488biostudies-literatureFour new species of Russulasubsect.Cyanoxanthinae from China (Russulales, Russulaceae).PMC11258488An MZhang JWang SLiang JChen YGao XWang YChen BLiang RfalseFour new species of Russulasubsect.Cyanoxanthinae from China (Russulales, Russulaceae).Four new species of Russulasubsect.Cyanoxanthinae, viz. <i>Russulaatrochermesina</i> Y.L. Chen & J.F. Liang, <i>R.lavandula</i> Y.L. Chen, B. Chen & J.F. Liang, <i>R.lilaceofusca</i> Y.L. Chen & J.F. Liang and <i>R.perviridis</i> Y.L. Chen, B. Chen & J.F. Liang, from China are proposed, based on morphological and molecular evidence. <i>Russulaatrochermesina</i> can be distinguished by its violet pileus with tuberculate-striate margin, distant lamellae that stain greyish-yellow when bruised, basidiospores ornamented by isolated warts, wide hymenial cystidia on lamellae edges, cystidia content negative reaction in sulphovanillin and branched subterminal cells in pileipellis. <i>Russulalavandula</i> has a purplish-white to violet red pileus with a yellow centre, frequently present lamellulae 2024-01-01T00:00:00Z20242026-05-26T14:02:54.774Z2025-06-01T01:17:25.92ZS-EPMC112584883903677710.3897/mycokeys.107.123304