1. Stop the Spread of Invasive Species Safe Harvest and Disposal of Aquatic Plants 1

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3. Aquatic Exotics in the Great Lakes Alewife Tubenose goby Purple loosestrife Spiny waterflea Round goby Lumholtzi waterflea Echinogammarus Eurasian watermilfoil Sea lamprey Fishhook waterflea Rainbow smelt Zebra mussel 3

4. Methods of Spread Boaters Anglers Bait transport Fish stocking Aquaculture Aquatic plant harvesters 4

5. Aquatic Exotics in the Great Lakes Alewife Tubenose goby Purple loosestrife Spiny waterflea Round goby Lumholtzi waterflea Echinogammarus Eurasian watermilfoil Sea lamprey Fishhook waterflea Rainbow smelt Zebra mussel 5

6. Zebra mussel Dreissena polymorpha Transported as: Larvae Adults 6

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8. Eurasian watermilfoil Myriophyllum spicatum Transported as: Seeds Roots Fragments 8

9. Purple loosestrife Lythrum salicaria Transported as: Seeds Stems Roots 9

10. Waterfleas Cercopagis pengoi (Fishhook waterflea) Bythotrephes cederstroemi (BC) Daphnia lumholtzi (Lumholtzi waterflea) 10

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12. Steps for Harvesters Carefully inspect and remove plants from: · Cutting blades · Lift arms · Hydraulic systems · Weed conveyor belts · Barge equipment 12

13. Steps for Harvesters Carefully inspect and remove plants Clean all equipment and allow to dry Dispose of harvested plants properly Question practices of professionals 13

14. Stop the Spread of Invasive Species Becoming aware Accepting responsibility Taking action 14

15. Written and produced by Mike Klepinger Michigan Sea Grant 2001 15