Current name: Stropharia caerulea Kreisel, Beihefte zur Sydowia 8: 229 (1979) [MB#324292] Taxonomic synonyms: - Psilocybe caerulea (Kreisel) Noordel., Persoonia 16 (1): 128 (1995) [MB#414013] - Agaricus politus Bolton, An History of Fungusses, Growing about Halifax 1: t. 30 (1788) [MB#462379] - Stropharia caerulea var. sterilis J. Aug. Schmitt, Abhandlungen der DELATTINIA 47: 153 (2022) [MB#842760] - Stropharia caerulea var. sterilis J. Aug. Schmitt, Abhandlungen der DELATTINIA 45: 289 (2020) [MB#834461] - Stropharia caerulea var. caerulea (1979) [MB#846230]