Hydrilla (Hydrilla Verticillata)

Habitat:

Lakes, rivers, ponds, streams and canals. Mostly found in shallow water depths of about 60cm but can also be abundant at depths over 7 m. This bright green plant is highly adaptable and able to grow in both still and flowing waters.

Introduction and Range Within Canada:

Native to Asia and first introduced to North America in the early 1950's as an aquarium plant that escaped into water ways through improper aquarium waste disposal. Found all over Southern Ontario and surrounding waterbodies.

Impacts:

Forms thick, dense stands in the water column which easily displace native plants and aquatic organisms. It frequently clogs irrigation pump filters and equipment, impedes wafer flow and recreational water use such as swimming, boating and fishing.

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