Basidiomata and microscopic features of Mycena huangsangensis a–f basidiomata g basidiospores h basidia i cheilocystidia j pileipellis k stipitipellis. Structures (g–i, k) were stained in 1% Congo red solution and j were rehydrated in 5% KOH solution. Scale bars: 5 mm (a–f); 5 μm (g); 10 μm (h–k).