Olotia Wächter & A. Melzer, gen. nov. (Fig. 84)

Index Fungorum number: MB 831466; Facesoffungi number: FoF

Type species: Olotia codinae (Deschuyteneer, A. Melzer, Pérez-De-Gregorio) Wächter & A. Melzer.

Etymology: Named after the city Olot (Spain), the type locality of the type species.

Description: Basidiomata small, lignicolous. Veil sparse. Spores medium-sized, ellipsoid to slightly ovoid in frontal view, dark, germ pore central. Basidia 4-spored. Marginal cells of the lamellar edge predominantly lageniform or clavate. Pleurocystidia mostly spatula-shaped and strongly pediculated, walls often slightly thickened and brownish pigmented. Clamps present. Figure 81 illustrates the microcharacters.


Psathyrella codinae Deschuyteneer, A. Melzer, Pérez-De- Gregorio; Ref.v.: GLM-F112430/type (Deschuyteneer et al. 2018).


Fig. 42 Super collapsed phylogram of the complete family Psathyrellaceae incl. outgroup

Fig. 81 Microcharacters of Olotia codinae, holotype. a Basidia; b cheilocystidia; c pleurocystidia; d spores; scale bar 5 μm (spores), 10 μm (other); Drawing: A. Melzer

Fig. 84 Phylogram part of the genera Hausknechtia, Olotia, Punjabia, Cystoagaricus, Typhrasa and Kauffmania; position in tree see Fig. 42