Hydrilla
Hydrilla verticillata
Invasive summary
A submerged aquatic plant that forms dense mats in lakes, rivers, and reservoirs.
Known impacts
Blocks recreation, impairs water flow, shades native plants, and can affect water quality.
Management notes
Use prevention, fragment control, herbicides, drawdowns, and biological control where appropriate.
Native range
Asia, Africa, and Australia
Regions where reported
- MX - 40 public points
- US - 40 public points
- CA - 4 public points