Coprotus sexdecimsporus. a Fresh apothecia on Equus asinus dung b Cross section with immature asci, paraphyses and marginal cells c, d Asci protruding above hymenium e Ascus with ascogenous cells f Paraphyses g Freshly ejected ascospore with a sheath h Mature ascospores i 16-spored freshly ejected packet of ascospores j Marginal cells from side view k Ectal excipulum cells in top view l Fresh apothecia on Lepus europaeus dung m Freshly ejected ascospores held together with a sheath n Ascus with ascogenous cells o Paraphyses with granular pigment and copious exudate p Excipular and marginal tissue. b, c, e–g, i, m-p*tap water d, h*IKIj, k†CBa–i from CNF 2/8394 j–p from CNF 2/8942. Scale bars: a, l 1 mm, b–k, m–o 10 μm, p 20 μm; del. N. Matočec, phot. N. Matočec & I. Kušan.