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Brittle Naiad or Brittle Waternymph

photo of invasive Brittle Naiad infestation at Robert S Kerr
okinvasives.org

Category
Invasive

Description

Native to Europe, western Asia, and northern Africa, and was planted for waterfowl food in the 1930s. Easily spread by wind and water currents, boats and trailers, and waterfowl.  

Was first observed in Oklahoma in 1979, in Robert S. Kerr Reservoir.  

Impacts 

Can replace native species and create dense shoals and surface mats, which can hinder swimming, fishing, and boating.  

Identification Key 

  • Annual submersed rooted or floating plant 
  • Slender, branching stems and fibrous roots 
  • Compact and relatively bushy- can grow up to 4 feet 

How To Observe

Please fill out the form at wildlifedepartment.com/fishing/ans or contact the Wildlife Department at (918) 200-4815 if you think you have discovered an invasive species.

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