Related by context. Frequent words. (Click for all words.) 68 phragmites 63 aquatic weeds 61 invasive weeds 60 Eurasian milfoil 60 purple loosestrife 58 invasive species 58 Japanese knotweed 57 invasive weed 57 aquatic vegetation 56 eelgrass 56 hemlock trees 55 weeds 55 invasives 54 invasive aquatic 54 salt cedar 54 cattail 54 cattails 54 hemlock woolly adelgid 53 Eurasian watermilfoil 53 buckthorn 53 milfoil 53 hydrilla 52 water hyacinth 52 marsh 52 tamarisk 52 noxious weeds 52 ragwort 52 invasive alien 51 knotweed 51 buffer strips 51 knapweed 51 giant hogweed 51 wetlands 51 garlic mustard 51 marsh grasses 51 sedge 51 hardwood trees 51 woody debris 51 noxious weed 51 eel grass 50 fireweed 50 gypsy moth caterpillars 50 duckweed 50 reed beds 50 seagrasses 50 freshwater mussels 50 poplar trees 50 grassland birds 50 bracken 50 leafy spurge 50 marsh grass 49 nutrient runoff 49 vegetation 49 Sudden Oak 49 pampas grass 49 streamside 49 whitefly 49 mosquito larvae 49 grasses 49 gypsy moths 49 longleaf pine 48 wetland 48 understory 48 wetland habitats 48 tidal wetlands 48 salt marshes 48 whiteflies 48 sediment runoff 48 oyster restoration 48 Invasive species 48 vernal pools 48 hemlocks 48 willows 48 seagrass beds 48 sycamore trees 48 forbs 48 soil erosion 48 aquatic insects 47 insect pests 47 berry bushes 47 nonnative species 47 cottonwood trees 47 feral pigs 47 hyacinth 47 boll weevils 47 aquatic habitat 47 seagrass 47 conifers 47 cormorants 47 revegetation 47 weevils 47 insect larvae 47 cottonwoods 47 stormwater runoff 47 wetland habitat 47 nonnative fish 47 blackberry bushes 47 marshland 47 underwater grasses 47 salt marsh 47 insects