Related by context. Frequent words. (Click for all words.) 68 root rot 62 defoliation 60 fungal disease 55 regrowth 54 fungus 54 powdery mildew 54 knotweed 54 winterkill 53 fruiting 53 foliage 53 beetle infestation 53 overwatering 53 infestations 52 conifers 52 desiccation 52 beech trees 52 infestation 52 aphid 51 deciduous trees 51 purple loosestrife 51 Aphids 51 spider mites 51 woody plants 51 shrub 51 stripe rust 51 algal bloom 51 Japanese knotweed 51 conifer 50 invasive weed 50 birches 50 leaved 50 borers 50 aspen 50 mosses 50 hardwood trees 50 shrubby 50 fungal diseases 50 lantana 50 fern 50 defoliated 50 insect infestations 50 understory 50 vegetation 49 flowering 49 rhododendron 49 Soybean rust 49 bark beetle 49 algal blooms 49 soil erosion 49 insect pest 49 Fusarium 49 flower buds 48 overwintering 48 aphids 48 trees 48 rhododendrons 48 armyworms 48 insect infestation 48 deforestation 48 horse chestnut 48 blooms 48 sedges 48 ryegrass 48 dogwood 48 extinctions 48 coral bleaching 47 Asian longhorned beetle 47 junipers 47 fungal infection 47 hemlocks 47 shrubs 47 leafless 47 amphibian species 47 fungi 47 soil compaction 47 tall fescue 46 mountain pine beetles 46 aspen trees 46 grasses 46 eelgrass 46 invasives 46 varroa mite 46 marsh grasses 46 parasitic infection 46 crape myrtle 46 groundcover 46 elms 46 beetle 46 necrosis 46 resistant varieties 46 fungal 46 Deforestation 46 soybean rust 46 eutrophication 46 germination 46 flora 46 viburnum 46 deciduous 46 phragmites 46 lichen 46 beetles