The Floral and Nursery Plants Research Unit maintains a collection of viruses that infect ornamental plants and related viruses. The collection consists of over 60 distinct species, several represented by multiple isolates from different hosts and geographic origins. These serve as reference standards for serological and nucleic acid based tests, assisting both internal and external institutions with the development of monoclonal antibodies and PCR primers for detection and identification. The collections include associated monoclonal antibodies and hybridoma cell lines, as well as polyclonal antisera against some accessions. Using antigens and isolates from this collection, scientists have conducted research leading to the patenting of a cross-reactive antibody and cell line, which were subsequently licensed to a diagnostics company and commercialized. Resources from this collection have also contributed to the development of detection methods for Angelonia flower break virus, a virus that had initially halted breeding programs.