Myosotis discolor is accepted species in  the family Boraginaceae  subfamily: Boraginoideae,  
Genus Myosotis 
This species is found in Algeria, Austria, Azores, Baltic States, Belarus, Belgium, Canary Is., Corse, Czechoslovakia, Denmark, East Aegean Is., France, Føroyar, Germany, Great Britain, Greece, Hungary, Iceland, Ireland, Italy, Lebanon-Syria, Madeira, Morocco, Netherlands, North Caucasus, Norway, Poland, Portugal, Romania, Sardegna, Spain, Sweden, Switzerland, Tunisia, Turkey, Turkey-in-Europe, Ukraine, Yugoslavia.