Anderson, Robert L.; Knighten, John L.; Windham, Mark; Langdon, Keith; Hedrix, Floyd; Roncadori, Ron. "Dogwood Anthracnose and its Spread in the South"(PDF). fs.usda.gov. Archived(PDF) from the original on 18 July 2021. Retrieved 22 January 2023.
Anderson, Robert L.; Knighten, John L.; Windham, Mark; Langdon, Keith; Hedrix, Floyd; Roncadori, Ron. "Dogwood Anthracnose and its Spread in the South"(PDF). fs.usda.gov. Archived(PDF) from the original on 18 July 2021. Retrieved 22 January 2023.