SEM photos of basidiospores of the four new species A–C Russula atrochermesina (RITF6878, holotype) D–F Russula lavandula (RITF6329) G–I Russula lilaceofusca (RITF6330, holotype) J–L Russula perviridis (RITF3131, holotype). Scale bars: 20 µm (G); 10 µm (A, B, D, E, H, J, K); 5 µm (C, F, I, L).