Macro- and micromorphological features of Simocybe parvispora. A. Basidiomata in the field (AH 25260, holotype). B. Basidiomata in the field (AH 25282, paratype). C. Spores (AH 25282). D. Mono- and tetrasporic basidia (AH 25282). E. Cheilocystidia (AH 25282). F. Pileipellis (AH 25282). G. Caulocystidia (AH 25282). H. Caulocystidia (AH 25282). C–H in ammoniacal Congo red. Scale bars: A, B = 10 mm; C–H = 10 μm. Photographs: A, B, Fernando Esteve-Raventós; C–H, Mauro Marchetti.