Butyriboletus Fechtneri - Butyriboletus Fechtneri Is A Basidiomycete Fungus In The Family Boletaceae. It Was Formerly Regarded As A Species Of Boletus, But In 2014 Was Transferred To The Newly Erected Genus Butyriboletus, After Molecular Data Revealed That It Is A Member Of The & X22 Regius& X22 Clade & X28 Named After B. Regius& X29 , Quite Distant From The Core Clade Of B. Edulis And Closely Allied Species. Photo