Related by context. Frequent words. (Click for all words.) 59 loosestrife 58 forbs 57 weevils 57 Phragmites 57 parasitic wasps 57 adelgids 56 purple loosestrife 55 caterpillars 55 spotted knapweed 55 garter snakes 54 freshwater ponds 54 Milfoil 54 vetch 54 pronghorns 54 Scotch broom 53 knapweed 53 Gypsy moths 53 insects 53 ant colonies 53 tadpoles 53 leafy spurge 53 aquatic weeds 53 Eurasian milfoil 52 fingerling 52 milkweed 52 salvinia 52 freshwater mussels 52 cattail 52 mussel species 52 invasive weeds 51 boll weevils 51 beetles 51 adelgid 51 insect 51 freshwater shrimp 51 Nematodes 51 lupines 51 beneficial insects 51 beetle larvae 51 nonnative plants 51 insect larvae 51 aphids 50 invasive weed 50 nematodes 50 soybean aphid 50 mussels 50 bollworms 50 lampreys 50 broodstock 50 insect populations 50 hemlock woolly adelgid 50 phragmites 50 whiteflies 50 monarch butterflies 50 avian species 50 grassland birds 50 psyllids 50 weevil 50 garlic mustard 50 aquatic weed 50 ant species 50 gypsy moth caterpillars 50 hemlock trees 49 salt tolerant 49 forage 49 Salamanders 49 Coho salmon 49 giant salvinia 49 grassland habitat 49 cutworms 49 bioenergy crops 49 whitefly 49 invasives 49 noxious weeds 49 biocontrol 49 mute swans 49 mosquito larvae 49 Eurasian watermilfoil 49 earthworms 49 knotweed 49 black footed ferrets 49 saltcedar 49 damselflies 49 soybean aphids 49 hatchery 49 aquatic insects 49 Argentine ants 49 Zebra mussels 49 mealybugs 49 larvae 49 gypsy moths 49 herbaceous plants 49 nutrient uptake 49 invasive insect 49 red legged frogs 49 longleaf pines 48 hydrilla 48 seedlings 48 spider mites 48 grasshoppers 48 sawfly