Species	Distribution
Large flowered waterweed (Egeria densa) Photo courtesy of Nigel Holmes	To view NBN location data click here
Impacts	Pathways
Out competes native species Blocks water bodies	Trade of garden pond plants Disposal or escape into the wild Can spread through transport of plant fragments
Management
Prevention Should not be released in the wild. Dispose of garden and pond waste responsibily. Check vehicles, boats, equipment and clothing for plant fragments when leaving infested sites and clean if necessary. Mechanical Control Not recommended as spreads through plant fragments Chemical Control None attempted Biological Control None
Links
Non Native Species Secretariat identification guide Non Native Species Secretariat Fact Sheet SNH SAF Training Manual Daisie Species Fact Sheets Global Invasive Species Database