Isocoma Benitoa Corethrogyne Dieteria Grindelia Haplopappus Hazardia Herrickia Lessingia Leucosyris Machaeranthera Oonopsis Oreostemma Pyrrocoma Rayjacksonia Stephanodoria Xanthisma Xanthocephalum Xylorhiza Adeia Adiaphila Eurybia
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024