Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Solheim, H., B. Langstrom, and C. Hellqvist. 1993. Pathogenicity of the blue-stain fungi Leptographium wingfieldii and Ophisotoma minus to Scots pine: Effect of tree pruning and inoculum density . Canadian Journal of Forest Research 23:1438-1443.