Hi Holger, There is a Compositae EST project at UC Davis, that includes sunflower. Your best contacts would be Richard MIchelmore and Steven Knapp. Their addresses are available on the web. The website of the Compositae project is: http://cgpdb.ucdavis.edu/ Marta -- Marta Matvienko Allometra Davis, CA 95616 marta at allometra.com http://allometra.com ---