Aquatic Nuisance Species
Listed below are informational sites to a number of nuisance species in Arizona.
Several of these have been present in the state so long they may be thought to be native.
Species Not Yet Established in Arizona
      
Zebra mussel button
Hydrilla button
Salvinia button
Zebra Mussel
(Dreissena polymorpha)
Purple Loosestrife
(Lythrum salicaria)
Hydrilla 
(Hydrilla sp.)
Giant Salvinia
(Salvinia molesta)
Established Invasive Species
      
Parrot Feather
(Myriophyllum aquaticum)
Salt Cedar
(Tamarix spp.)
 Bullfrog 
(Rana catesbeiana)
Virile Crayfish
(Orconectes causeyi) 
     
Flathead Catfish
(Pylodictis olivaris)
      
APHIS Technical Advisory Group - Biocontrols

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