Genus: Myriophyllum — water-milfoil
Some species of Myriophyllum form turions, while others only have unreduced leaves. The presence or absence of turions is important for identification. They winter over on the plants and will be present from September through April. Reference: Aiken (1981).
Family
Haloragaceae (water-milfoil family)
This genus’s species in New England
- Myriophyllum alterniflorum
- Myriophyllum aquaticum
- Myriophyllum farwellii
- Myriophyllum heterophyllum
- Myriophyllum humile
- Myriophyllum pinnatum
- Myriophyllum sibiricum
- Myriophyllum spicatum
- Myriophyllum tenellum
- Myriophyllum verticillatum
Visit this genus in the Dichotomous Key