Photos above by Paula Lowe.
Aquatic Plants
Managing Eurasian Watermifloil, Dept. of Ecology Wes Glissan
Freshwater Aquatic Plant Identification Resources
King County
Snohomish County
Aquatic Plant ID Manual for Washington's Freshwater
Water Weeds - Guide to Aquatic Weeds in King County
WA Noxious Weed Control Board - Weed Search