Observationes mycologicae
By: auctore E. M. Fries
Publisher: sumptibus G. Bonnieri
Published: 1815
Place of publication: Havniae
Language: lat
Subjects: Botany; Fungi
Notes: Vol 2 title reads: Observationes mycologicae praecipue ad illustrandam floram suecicam.

For clarification on dates of issue of various editions see Rogers, Donald P. 1939. The genus Hypochnus and Fries's "Observationes." Mycologia, 31(3): 297-307 ; and Rogers, Donald P. 1954. The genus Cordyceps and Fries's observationes. Mycologia, 46(2): 248-253.

Stafleu and Cowan (2nd ed.) 1863