Myriophyllum heterophyllum M laxum

Variable Watermilfoil Hybrid
***Myriophyllum heterophyllum* x *M. laxum***

*Invasive

Herbarium mounts:

Amos Lake 07/31/2006
Anderson Pond 08/12/2004
Holbrook Pond 07/27/2004
Holbrook Pond 07/28/2025
Little Pond 07/17/2024 (1)
Little Pond 07/17/2024 (2)
Moosup Pond 07/22/2008
Moosup Pond 07/23/2008
Natchaug River 10/27/2011
Pickerel Lake 07/14/2004
Staffordville Reservoir 06/01/2020