Fries, E. 1824. Observationes mycologicæ præcipue ad illustrandam Floram Suecicam. Cum Tab. VIII æneis color. Edition nova. Sumtibus Gerhardi Bonnieri, Hafniæ: [I]-X, [1]-230, [1]-372, expl. ic. (2 pp.), pls. I-VIII. ≡