A comparative table is presented summarizing authors’ observations on Inocybe boltonii Heim and its morphologically variable forms. One notably divergent collection is described, resembling Inocybe proximella Karsten sensu Favre. Synonymy and taxonomic confusion surrounding this complex are discussed in detail.
Stangl J., Veselský J. (1974): Beiträge zur Kenntnis seltenerer Inocyben. Nr. 4: Inocybe boltonii Heim in der Variationsbreite ihrer Formen. – Česká Mykologie 28(3): 143–150.