Strix Linnaeus, 1758
Strix aluco subsp. aluco Linnaeus, 1758
Strix aluco biddulphi (Scully, 1881)
Strix aluco haermsi (Zarudny, 1911)
Strix aluco subsp. harmsi
Strix aluco ma (A. H. Clark, 1907)
Strix aluco mauritanica (Witherby, 1905)
Strix aluco nivicolum (Blyth, 1845)
Strix aluco sanctinicolai (Zarudny, 1905)
Strix aluco siberiae Dementiev, 1933
Strix aluco sylvatica Shaw, 1809
Strix aluco willkonskii (Menzbier, 1896)
Strix aluco yamadae Yamashina, 1936
