sourceTaxonName: Valsa ambiens subsp. ambiens
targetTaxonName: Acer rubrum
localityName: United States
referenceCitation: Wang, X.-L., Kang, Z.-S., Huang, L.-L., and Yang, P.. 2007. Pathogen identification of %Valsa% canker on pear tree: evidences from rDNA-ITS sequences and cultural characteristics. Mycosystema 26:517-527