Petrak, Mycoth. Carp.
Petrak, F. [1-475]
IndExs #641513049

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0076405
F. Petrak #s.n. 00 August 1923
Phyllachora sylvatica Sacc. & Speg.
Czech Republic, West-Beskiden: Berg [Dusina] bei Wsetin