Synonyms: Agaricus calceolus; Agaricus nimbatus; Agaricus panaeolus; Agaricus panaeolus var. calceolus; Clitocybe nimbata; Gyrophila nimbata; Gyrophila panaeolus; Gyrophila panaeolus var. calceola; Lepista luscina var. irinoides; Lepista nimbata; Lepista panaeolus var. irinoides; Lepista panaeolus var. nimbata; Omphalia nimbata; Paxillus lepista; Rhodopaxillus lepista; Rhodopaxillus nimbatus; Rhodopaxillus panaeolus; Tricholoma ectypum; Tricholoma nimbatum; Tricholoma panaeolum f. caespitosum; Tricholoma panaeolum var. calceolum; Tricholoma panaeolum var. calceolus; Tricholoma panaeolus; Tricholoma panaeolus calceolus; Tricholoma panaeolus var. calceolus