Basidiomata small or medium-sized. Pileus lubricous, yellowish orange to olivaceous. Lamellae arcuate to decurrent, olivaceous yellow, edge concolourous. Stipe fragile, lubricous, paler than the pileus, finely pruinose, fibrillose at the base. Basidiospores subglobose, amyloid. Cheilo- and pleurocystidia smooth, ampullaceous. Hyphae of the pileipellis smooth or with isolated diverticulations. Pileocystidia ampullaceous, smooth. Hyphae of the stipitipellis smooth or with lateral isolated projections. Caulocystidia similar to cheilocystidia.
Habit – on soil.
Mycena dunicola M. Villarreal, Esteve-Rav., Barrasa & A. Ortega, the only species in this section, is known only from Spain.