Related by context. Frequent words. (Click for all words.) 64 Eurasian milfoil 64 aquatic weeds 61 milfoil 60 aquatic vegetation 59 Eurasian watermilfoil 59 loosestrife 58 phragmites 57 eelgrass 57 freshwater mussels 57 invasive aquatic 57 purple loosestrife 56 aquatic habitats 56 invasive weed 56 Hydrilla 56 Didymo 55 invasive weeds 55 aquatic ecosystems 54 landlocked salmon 54 zebra mussels 54 invasive species 54 brook trout 54 Zebra mussels 54 aquatic ecosystem 53 brookies 53 tidal wetlands 53 invasives 53 hemlock trees 53 lakes 53 beaver dams 53 barrens 53 freshwater wetlands 53 vernal pools 53 hemlock woolly adelgid 52 cattail 52 alewives 52 tributary streams 52 eel grass 52 waterbodies 52 vegetation 52 knotweed 52 wetlands 52 invasive mussels 51 Invasive species 51 Gypsy moths 51 aquatic habitat 51 hydrilla 51 cranberry bogs 51 federally endangered 51 Scotch broom 51 headwater streams 51 adelgid 51 lake trout 51 vernal pool 51 river herring 51 alewife 51 marsh 51 kelp beds 51 Lionfish 51 nutrient loading 51 species 50 spawning beds 50 gizzard shad 50 nonpoint source pollution 50 lake sturgeon 50 Rotenone 50 knapweed 50 red cockaded woodpecker 50 wetland 50 snapping turtles 50 nonnative fish 50 cranberry bog 50 sedge 50 didymo 50 burbot 50 buffelgrass 50 toxic algae 50 quagga mussel 49 Japanese knotweed 49 streamside 49 zebra mussel 49 toxic algae blooms 49 buckthorn 49 sportfish 49 freshwater ecosystems 49 alga 49 DNR biologists 49 Sebago Lake 49 grassland birds 49 northern pike 49 shoreline 49 beaver dam 49 beavers 48 shorelines 48 shoreline erosion 48 algae blooms 48 forbs 48 spotted knapweed 48 watersheds 48 bald eagle nests 48 freshwater lakes 48 spawning habitat