We greatly acknowledge the support of the following institutions and individuals who have assisted us directly or indirectly to develop this identification tool:

Dr. Kenneth Bloem, USDA, APHIS, PPQ, CPHST, Raleigh, North Carolina.

Dr. Terrence Walters, Center for Plant Health Science and Technology
USDA, APHIS, Plant Protection and Quarantine, Fort Collins, Colorado.

Dr. Michael Thomas, Florida Department of Agriculture and Consumer Services, Division of Plant Industry, Gainesville, Florida.

Ms. Julia Scher, USDA, APHIS, PPQ, CPHST, Fort Collins, Colorado.

Mr. George Benn Marshall, Florida A&M University, Tallahassee, Florida.

Funding Support for this work was provided largely by the United Stated Department of Agriculture (USDA), Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ), Center for Plant Health Science and Technology (CPHST).