Prohibited Invasive Species cannot be possessed, transferred, transported or introduced.
Prohibited Aquatic Plants• Australianswampcrop,Crassula helmsii• Brazillianwaterweed,Egeria densa• Brittlenaiad,Najas minor• EuropeanFrogbit,Hydrocharis morsus-ranae• Fanwort,Cabomba caroliniana• Hydrilla,Hydrilla verticillata• Oxygen-weed,Lagarosiphon major• Parrotfeather,Myriophyllum aquaticum• Waterchestnut,Trapa natans
• Yellowfloatingheart,Nymphoides peltata
Restricted Invasive Species cannot be transferred, transported or introduced.
Restricted Aquatic Plants• Curly-leafpondweed,
Potamogeton crispus• Eurasianwatermilfoil,
Myriophyllum spicatum• Floweringrush,Butomus umbellatus• Narrow-leafcattail,Typha angustifolia
• Purpleloosestrife,Lythrum salicaria
Forassistanceoncontroleffortsforanyoftheseinvasiveaquaticplantscontacttheaquaticplantsmanagementspecialistforyourregion.
Findthematdnr.wi.govkeyword:“APM contacts”
TheWisconsinDepartmentof NaturalResourcesprovidesequalopportunityinits
employment,programs,services,andfunctionsunderanAffirmativeActionPlan.
If youhaveanyquestionsregardingthisplan,pleasewritetoEqualOpportunity
Office,Departmentof Interior,Washington,DC20240.
Thispublicationisavailableinalternativeformat(large
print,Braille,audiotape,etc.)uponrequest.Pleasecall
(608)266-0531formoreinformation.
PROTECT YOUR POND OR WATER GARDEN
LearnwhatyoucandotokeepinvasivespeciesoutofyourbackyardandoutofWisconsinwaters
Do not release ANY pond or water garden plants, fish
or invertebrates into natural waters.
BureauofScienceServicesWisconsinDepartmentofNaturalResourcesP.O.Box7921Madison,WI53707-7921MiscellaneousPublicationSS-11152013
TheU.S.EnvironmentalProtectionAgencysupportedourwork,in
part,throughtheGreatLakesRestorationInitiative.Pointsofview
expressedinthispublicationdonotnecessarilyreflecttheviewsor
policiesoftheU.S.EnvironmentalProtectionAgency.
P
R
REGULATED AQUATIC INVASIVE PLANTS
Toreportaregulatedinvasive
speciesorforadditional
information,contacttheDNR
Orvisitourwebsite:
dnr.wi.gov
keyword:
“invasives”
Foracompletelistofregulatedspeciesin
Wisconsin,goto:dnr.wi.govkeyword:“NR 40”
©iStockphoto.com/BrendaA.Carson
HOW YOU CAN HELP:Buildyouraquascapesawayfromnaturalwaterwaysandfloodzones.
Learntorecognizeinvasivespecies.
Purchaseandplantnon-invasiveandnativeplants.
Checkplantordersforunwantedinvasivehitchhikers.
Donotuseinvasiveplants,fish,crayfishorsnailsinyourgarden.
Donotreleaseanyplants,fishorinvertebratesintonaturalwaters.
Wheninvasiveplantslikewatercressescapefromtheiroriginalplantingsites,theycandrasticallyalternativeecosystems.Suchchangescanimpactnativewildlifeaswellasrecreationalopportunities.
Luckily,withalittleinformationandsomepreventiveactions,watergardenscanremainbeautifuloutdoorspaceswithoutbecominginvasivevectors.Watergardenershavetheopportunitytohelpslowthespreadofinvasivesjustbyknowingwhatspeciestoavoidandchoosingtousenativeornon-invasivealternatives.
Are Your Ponds at Risk?Ponds,fountainsandwatergardenscanprovidetranquilsettingsforhumanswhileaddingextrabenefitsfornativewildlifevisitors.
Unfortunately,theseaquascapescanputnativeecosystemsatriskunlesscertainprecautionsaretakentoavoidinvasivespecies.
Invasivespeciesarenon-nativespeciesthatspreadrapidlyandtakeovernativeecosystems,causingenvironmentaloreconomicharmorposingthreatstohumanhealth.
Watch out for these invaders! Theseinvasiveaquaticplantsareprohibited inWisconsin.
Wisconsin LawsWisconsin’sInvasiveSpeciesRule(Wis.Adm.Codech.NR40)classifiesandregulatestheinvasivespeciesthatthreatenWisconsinmost.Theruleisaimedathelpingcitizenslearntoidentifyandminimizethespreadofinvasiveplants,animalsanddiseasesthatcaninvadeourlandsandwatersandcausesignificantdamage.Itisimportanttoavoidthesespeciesinwatergardensandelsewhere.
Theruleclassifiesspeciesaseither“Prohibited”or“Restricted”inWisconsinandregulatestheirtransportation,possession,transferandintroduction.
Tolearnmoreabouttherule,visittheDNR’sinvasivessiteat:dnr.wi.gov keyword:“NR 40.”
YOU CAN HELP PROTECT WISCONSIN’S WATERS & LANDS
Understand the laws,
get to know the species and spread the
word!
Watercresstakingoverastreamedge
Whilenotcurrentlyregulatedin
Wisconsin,waterhyacinthandwater
lettucearetwoexamplesofplants
thatcanbeincrediblyinvasive.Take
precautionstonotlettheseorany
otherplantsescapeyourgarden.
HydrillaHydrilla verticillata
AnacharisEgeria densa
ParrotfeatherMyriophyllum aquaticum
YellowfloatingheartNymphoides peltata
EuropeanfrogbitHydrocharis morsus-ranae
DNRImages
©iStockphoto.com/AlexanderTivanov
PhotobyVicRamey,UF/CenterforAquaticandInvasivePlants
PhotobyAnnMurray,UF/CenterforAquaticandInvasivePlants DNRImages PhotobyGlennMiller,,OregonDept.ofAgriculture PhotobyChristianFischer
