 Jerusalem artichoke, Helianthus tuberosus Asterales: Asteraceae - 1554010Subject: Jerusalem artichoke Genus: Helianthus Family: Asteraceae Order: Asterales Class: Magnoliopsida Photographer: John Cardina Organization: The Ohio State UniversityArchive: The Ohio State University Weed Lab Image Archive Area: Natural Resources - Weeds Image Number: 1554010 