| Villasenoria B.L. Clark, 1999 |
| Villasenoria orcuttii (Greenm.) H. Rob. & Brettell, 1999 |
| Virgulus Raf., 1837 |
| Virgulus bimater (Standl. & Steyerm.) Reveal & Keener, 1981 |
| Virgulus lima (Lindl.) Reveal & Keener, 1981 |
| Virgulus oblongifolius (Nutt.) Reveal & Keener, 1981 |
| Viviania Willd. ex Less., 1829 |
| Wamalchitamia Strother, 1991 |
| Wamalchitamia appressipila (S.F. Blake) Strother, 1991 |
| Wamalchitamia aurantiaca (Klatt) Strother, 1991 |
| Wamalchitamia dionysi Strother, 1991 |
| Wamalchitamia serboana B.L. Turner, 2013 |
| Wamalchitamia strigosa (DC.) Strother, 1991 |
| Wamalchitamia yautepecana B.L. Turner, 2013 |
| Wedelia Jacq., 1760 |
| Wedelia acapulcensis Kunth, 1818 |
| Wedelia acapulcensis var. acapulcensis Kunth, 1818 |
| Wedelia acapulcensis var. ayerscottiana (B.L. Turner) Strother, 1991 |
| Wedelia acapulcensis var. cintalapana Strother, 1991 |
| Wedelia acapulcensis var. hispida (Kunth) Strother, 1991 |