Related by context. Frequent words. (Click for all words.) 64 loosestrife 63 Scotch broom 63 purple loosestrife 61 Japanese knotweed 60 barberry 59 garlic mustard 58 buckthorn 58 Phytophthora 58 invasive weed 58 leafy spurge 58 Bacillus thuringiensis 57 knotweed 57 phragmites 57 anthracnose 56 whiteflies 56 Herbicides 56 spotted knapweed 56 noxious weed 56 Eurasian milfoil 56 invasive weeds 56 invasives 56 spp 56 vetch 56 Hydrilla 56 fireweed 55 bindweed 55 ragwort 55 salt cedar 55 noxious weeds 55 biocontrol 55 aquatic weeds 54 saltcedar 54 forbs 54 woody plants 54 crabapple 54 pigweed 54 Eurasian watermilfoil 54 nonnative plants 54 pampas grass 54 chickweed 54 knapweed 54 whitefly 53 shade tolerant 53 river birch 53 broadleaf weeds 53 tamarisk 53 invasive species 53 spider mites 53 Dandelions 53 tall fescue 53 giant hogweed 53 viburnum 53 mealybugs 53 dandelions 53 groundcovers 53 aquatic weed 53 grasses 52 Sedum 52 shrubby 52 Euphorbia 52 Nematodes 52 weeds 52 weevils 52 spurge 52 ornamentals 52 Aphids 52 fungal disease 52 Fungal 52 crabapples 52 hickories 52 invasive aquatic 51 Nutria 51 insect pests 51 thistles 51 trilliums 51 cheatgrass 51 herbicide resistant 51 evergreen shrub 51 Pests 51 Conifers 51 viburnums 51 insect pest 51 salt tolerant 51 mountain laurel 51 pests 51 resistant varieties 51 lantana 51 buffelgrass 51 bromeliad 50 water hyacinth 50 hackberry 50 cattail 50 pyrethroid 50 groundcover 50 conifers 50 vulgaris 50 European corn borer 50 oak wilt 50 hemlock woolly adelgid 50 bermudagrass 50 cutworms