Microscopic features of Hebeloma parvisporum (E 00204835; intended holotype of Psathyrella splendens nom. inval.) A spores in Melzer’s reagent ×1600 B spore ornamentation in Melzer’s reagent ×1600 C, D cheilocystidia in KOH ×1000 E cheilocystidia and basidium in KOH ×500 F caulocystidia, in KOH ×1000. Scale bars: 10 µm. Photos H.J. Beker. G Exsiccata (a section of photograph from http://data.rbge.org.uk/herb/E00204835, provided by the Royal Botanic Garden Edinburgh).