PQR is an EPPO database that provides access to information on quarantine pests, plants, and other invasive species from around the world. It includes data from the EPPO A1 and A2 lists, EU Directive 2000/29, the EPPO/CABI publication "Quarantine Pests for Europe" (2nd edition), the EPPO Alert List, and the List of Invasive Alien Plants.
