- Hypholoma caerulescens (Pat.) Sacc. & Trotter
- Naematoloma caerulescens Pat.
- Psilocybe cubensis var. caerulescens (Pat.) Singer & A.H.Sm.
- Psilocybe cubensis var. cyanescens (Murrill) Singer & A.H.Sm.
- Stropharia cubensis Earle
- Stropharia cyanescens Murrill
Clavulinopsis umbrinella