Mycena clavicularis has "cheilocystidia and pleurocystidia similar, scattered to numerous, (22)30-38 x 9-12(14)µm, broadly clavate, enlarged portion covered with short obtuse projections, hyaline" Mycena rorida has "cheilocystidia ... smooth, fusoid-ventricose to nearly cylindtric, often irregular in outline, 26-34 x 6-10 µm" [A.R. Smith, _North American species of Mycena" pp. 430 & 404, resp.]