Great Lakes Hydrilla Collaborative
Where is it found?

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Habitat
  • Found in lakes, rivers, reservoirs, wetlands, ponds, and streams
  • Water depths of less than 25 feet
  • Mean monthly surface water temperatures ≥ 68° Fahrenheit for at least two months
  • Low light requirements (1% of full sunlight or less)
  • Water quality is rarely a limiting factor – Hydrilla can grow under a wide range of water chemistry conditions and in both low nutrient (oligotrophic) and nutrient rich (eutrophic) lakes