Innocybe mai launin ja-ja ya fara bayyana shi ne daga masanin ilimin halitta na Norwegian Axel Gudbrand Blytt a 1904 a matsayin'' Inocybe erubescens '.
Tabbas, mafi rikitarwa na jumla ita ce "Axel Gudbrand Blytt ne ya fara bayyana inocybe mai launin ja a 1904 a matsayin'' Inocybe erubescens ', kodayake an san shi sosai tsawon shekaru a matsayin'I. patouillardii ', wanda ɗan Italiyanci Giacomo Bresadola ya kira shi a 1905 bayan masanin kimiyyar tsirrai na Faransa Narcisse Théophile Patouillard. "