Related by context. Frequent words. (Click for all words.) 57 hogweed 55 loosestrife 54 Emerald ash borer 53 poisonous 53 Poison ivy 52 poisonous mushrooms 51 tansy 51 oxalis 51 oleander 51 bagworms 51 Gypsy moths 51 stinging nettle 51 holly berries 51 ash borers 51 nightshade 51 burdock 50 purple coneflower 50 cankers 50 giant hogweed 50 spotted knapweed 50 hackberry 50 tent caterpillars 49 fungus 49 bloodroot 49 multiflora rose 49 mealybugs 49 Phragmites 49 daphne 49 Euphorbia 49 flowering shrub 49 Rhododendrons 49 widow spider 49 skunk cabbage 49 Aphids 49 Invasive plants 48 goldenrod 48 horsetail 48 viburnum 48 hemlock trees 48 chestnut blight 48 anthracnose 48 poison ivy 48 moth larvae 48 barberry 48 purple loosestrife 48 ragwort 48 hellebore 48 bottlebrush 48 castor bean 48 fireweed 48 viburnums 48 catmint 48 chickweed 48 vulgaris 47 root rot 47 beetle infestations 47 feverfew 47 pest insects 47 spp 47 crape myrtle 47 Cyanobacteria 47 foxgloves 47 ceanothus 47 fungi 47 Virginia creeper 47 Scotch broom 47 sawfly 46 Zebra mussels 46 Paraquat 46 evening primrose 46 invasive insect 46 Japanese knotweed 46 fungal pathogens 46 beech trees 46 coral bells 46 adelgids 46 adelgid 46 emerald ash borers 46 Dust mites 46 aphids 46 bur oak 46 garlic mustard 46 mealybug 46 purslane 46 protozoan 46 euphorbia 46 alkaloids 46 Phytophthora 45 foxtail 45 forsythia 45 walnut trees 45 belladonna 45 lilac bush 45 comfrey 45 pyracantha 45 knotweed 45 crabapples 45 bromeliad 45 funguses 45 spider mites 45 cutworms