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Genus Tripleurospermum
- small genus comprising plants often included in genus Matricaria
Genus Tussilago
- genus of low creeping yellow-flowered perennial herbs of north temperate regions: coltsfoots; in some classifications includes species often placed in other genera especially Homogyne and Petasites
Genus Ursinia
- genus of South African herbs and shrubs cultivated as ornamentals
Genus Verbesina
- herbs and shrubs of warm North America to Mexico; includes plants formerly placed in genus Actinomeris
Genus Actinomeris
- used in some classification systems for plants now included in genus Verbesina
Genus Vernonia
- genus of New World tropical herbs or shrubs with terminal cymose heads of tubular flowers
Genus Wyethia
- coarse leafy perennial plants resembling sunflowers found especially in the western United States
Genus Xanthium
- coarse herbs having small heads of greenish flowers followed by burrs with hooked bristles
Genus Xeranthemum
- genus of annual densely hairy herbs of Mediterranean to southwestern Asia
Genus Zinnia
- genus of annual or perennial plants of tropical America having solitary heads of brightly colored flowers