Forest Pests of North America
Native and Non-native insects, diseases, and weeds of urban, managed, and natural forests

Cytospora canker of fir
Cytospora abietis Sacc.

Representative Images(View more at Forestry Images)


Cytospora canker of spruce
Valsa kunzei
Joseph O'Brien

Taxonomic Rank

Kingdom: Fungi
Phylum: Ascomycota
Subphylum: Pezizomycotina
Class: Sordariomycetes
Subclass: Sordariomycetidae
Order: Diaporthales
Family: Valsaceae
Genus: Cytospora

Other System Links

Species Fungorum: 228043


Common Name Reference: Hansen, E.M. and K.J. Lewis. 1997. Compendium of Conifer Diseases. APS Press. 3340 Pilot Knob Road, St. Paul, MN 55121-2097. 101 pp.
Scientific Name Reference: Index Fungorum. Paul Kirk. CABI, CBS and Landcare Research.