Abstract
A new distribution map is provided for Lettuce infectious yellows closterovirus Viruses: Possible Closterovirus Hosts: Many crops and weeds, including lettuce (Lactuca sativa), beetroot (Beta vulgaris), marrow (Cucurbita pepo), melon (Cucumis melo), other Cucurbitaceae and carrot (Daucus carota). Information is given on the geographical distribution in NORTH AMERICA, Mexico, USA, Arizona, California, Pennsylvania, Texas.