All Species in Myriophyllum
- Alternateflower Watermilfoil (Myriophyllum alterniflorum)
- Andean Watermilfoil (Myriophyllum quitense)
- Cutleaf Watermilfoil (Myriophyllum pinnatum)
- Farwell's Watermilfoil (Myriophyllum farwellii)
- Loose Watermilfoil (Myriophyllum laxum)
- Russian Water-Milfoil (Myriophyllum ussuriense)
- Shortspike Watermilfoil (Myriophyllum sibiricum)
- Slender Watermilfoil (Myriophyllum tenellum)
- Twoleaf Watermilfoil (Myriophyllum heterophyllum)
- Western Watermilfoil (Myriophyllum hippuroides)
- Whorl-Leaf Watermilfoil (Myriophyllum verticillatum)