https://www.ecfr.gov/current/title-7/subtitle-B/chapter-III/part-319/subpart-Q

U.S. Government Printing Office. Electronic Code of Federal Regulations.

https://www.ecfr.gov/current/title-7/subtitle-B/chapter-III/part-319/subpart-M

U.S. Government Printing Office. Electronic Code of Federal Regulations.

https://www.fs.usda.gov/main/r5/forest-grasslandhealth/invasivespecies

USDA. FS. Pacific Southwest Region.

https://www.fs.usda.gov/main/r10/forest-grasslandhealth/

USDA. FS. Alaska Region.

https://dffm.az.gov/forestry-community-forestry/forest-health

Arizona Department of Forestry and Fire Management.

https://www.oregon.gov/ODF/ForestBenefits/Pages/ForestHealth.aspx

Oregon Department of Forestry.

https://www.scfc.gov/protection/forest-health/

South Carolina Forestry Commission.

https://www.mfc.ms.gov/forest-health/

Mississippi Forestry Commission.

https://www.emnrd.nm.gov/sfd/forest-health/

New Mexico Energy, Minerals and Natural Resources Department. State Forestry Division.

https://www.ncforestservice.gov/forest_health/forest_health.htm

North Carolina Department of Agriculture and Consumer Services. North Carolina Forest Service.

https://ohiodnr.gov/discover-and-learn/safety-conservation/about-ODNR/forestry/…

Ohio Department of Natural Resources. Division of Forestry.

https://www.kansasforests.org/forest_health/

Kansas State University. Kansas Forest Service.

https://dof.virginia.gov/forest-management-health/forest-health/

Virginia Department of Forestry.

https://nfs.unl.edu/forest-health

University of Nebraska - Lincoln. Nebraska Forest Service.

https://www.nhdfl.dncr.nh.gov/forest-health

New Hampshire Division of Forests and Lands.

https://dnr.wisconsin.gov/topic/ForestHealth

Wisconsin Department of Natural Resources. Forestry.

https://www.iowadnr.gov/programs-services/forestry-resources/forest-tree-health…

Iowa Department of Natural Resources.

https://dnr.wisconsin.gov/topic/foresthealth/beechbarkdisease

Wisconsin Department of Natural Resources.

https://dec.ny.gov/nature/forests-trees/forest-health/beech-leaf-disease

New York Department of Environmental Conservation.

https://www.iowadnr.gov/programs-services/forestry-resources/forest-tree-health…

Iowa Department of Natural Resources.