Van Geel et al. 1981: Basidiospores, mostly occurring as groups of 3-6 cells, each cell 10-13 μm in diameter, with 2.5-3 μm wide pore. Small protuberances on the surface, densely distributed.
van Geel B, Bohncke SJP, Dee H (1981) A palaecological study of an upper Late Glacial and Holocene sequence from 'De Borchert', The Netherlands. Rev. Palaeobot. Palynol. 31:367-448.