Related by context. Frequent words. (Click for all words.) 66 hydrilla 61 invasive weed 60 aquatic vegetation 60 water hyacinth 59 invasive species 58 salt cedar 57 weevils 56 zebra mussel 56 zebra mussels 56 invasives 56 tamarisk 55 Asian soybean rust 55 purple loosestrife 55 milfoil 55 Zebra mussels 53 feral hogs 53 Japanese knotweed 53 phragmites 52 grass carp 52 soybean rust 52 weevil 51 Emerald Ash Borer 51 ash borer 51 infestations 51 aquatic invasive species 51 feral pigs 51 aphid 51 invasive weeds 51 Invasive species 50 nematode 50 stink bug 50 insect 50 stink bugs 50 citrus greening 50 kudzu 49 fungus 49 noxious weed 49 hyacinth 49 gypsy moths 49 borers 49 spider mites 49 gizzard shad 49 didymo 49 algae 49 aquatic species 49 pests 48 gypsy moth 48 wild hogs 48 psyllid 48 insect pests 48 catfish 48 insects 48 Largemouth bass 48 beetle 48 lionfish 48 mosquito larvae 48 nutria 47 marsh 47 noxious weeds 47 emerald ash borer 47 mosquitos 47 thrips 47 Atrazine 47 marsh grasses 47 nonnative species 47 weeds 47 aphids 47 Asian Carp 47 root rot 47 mosquito populations 47 buckthorn 47 carp 46 toxic algae 46 crappie 46 algae blooms 46 infestation 46 Aphids 46 fungal disease 46 nematodes 46 garlic mustard 45 beetles 45 eelgrass 45 Bluegills 45 woody plants 45 pest 45 lakes 45 mosquito 45 bark beetle 45 largemouth bass 45 freshwater fish 45 quagga mussels 45 caterpillars 45 Asian carp 45 snapping turtles 45 cheatgrass 45 poison ivy 45 dieback 45 Humboldt squid 45 northern pike 45 bluegill 45 cattails