Related by context. Frequent words. (Click for all words.) 65 oak wilt 64 Phytophthora 63 Emerald ash borer 62 anthracnose 61 fungus 61 fungal disease 61 beech trees 61 conifer trees 60 Sudden Oak 60 hemlock woolly adelgid 60 bagworms 60 adelgid 60 hemlock trees 60 Gypsy moths 60 ash borer 59 downy mildew 59 cankers 58 Milfoil 58 insect pest 58 spider mites 58 loosestrife 58 mealybugs 58 psyllid 58 woody plants 58 hackberry 57 soybean aphid 57 whitefly 57 knotweed 57 borer 57 emerald ash borers 57 beeches 57 borers 57 ash trees 57 adelgids 57 knapweed 56 spotted knapweed 56 hardwood trees 56 conifer 56 whiteflies 56 beetle 56 Hydrilla 56 hickories 56 serviceberry 56 herbaceous plants 56 insect 56 heartwood 56 invasive weed 56 carpenter ants 56 gypsy moth caterpillars 56 fungal diseases 56 barberry 56 beetle infestation 56 elm trees 55 root rot 55 longleaf pines 55 mountain pine beetles 55 deciduous tree 55 insect pests 55 emerald ash borer 55 chinch bugs 55 gypsy moth 55 jack pine 55 red maples 55 gypsy moths 55 Scotch broom 55 infestations 55 oxalis 55 salvinia 55 fungal spores 55 leaf rust 55 infestation 55 nematode 55 invasive pest 55 viburnum 55 arborvitae 55 purple loosestrife 55 Japanese knotweed 55 understory 54 Dutch elm disease 54 defoliate 54 nematodes 54 leaf curl 54 fungi 54 aphid 54 cutworms 54 shade tolerant 54 invasives 54 beetles 54 powdery mildew 54 vetch 54 elms 54 lodgepole 54 forbs 54 insect infestations 54 rhododendron 54 hemlocks 54 fireweed 54 deciduous trees 54 giant hogweed 54 junipers 54 Virginia creeper