Portland State University >> Center for Lakes and Reservoirs

Catalog of Aquatic Invasive Species Education/Outreach Materials

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Scotch Broom	Scotch Broom - closeup	Aquatic Vegetation	Vessel Deballasting
New Zealand Mudsnail	Stop Harmful Species Sign	Aquatic Weeds on Boat Trailer	Aquatic Weeds on Boat Trailer - version 2
Milfoil Bed	Milfoil	Purple Loosestrife	dead sturgeon
grain terminal	mayfly

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