Related by context. Frequent words. (Click for all words.) 64 Soil erosion 63 salination 62 soil salinity 59 beetle infestations 59 infestation 58 aquatic weeds 56 sooty mold 56 salvinia 56 mealybug 56 Invasive plants 56 infestations 56 fireweed 56 pest infestation 56 tent caterpillars 56 termite infestation 56 vegetation 55 oak wilt 55 pest infestations 55 lowland flooding 55 Hydrilla 55 insect pest 55 aquatic weed 55 dieback 55 insect infestations 55 soil erosion 55 riparian zones 54 winterkill 54 defoliating 54 spartina 54 Japanese knotweed 54 gully erosion 54 Phragmites 54 anthracnose 54 defoliation 54 armyworm 54 swimmer itch 54 soil compaction 54 mealy bug 54 knotweed 53 hay meadows 53 Infestations 53 Algae blooms 53 root rot 53 melaleuca 53 sawfly 53 grassland habitat 53 Stink bugs 53 fungal diseases 53 beetle infestation 53 whitefly 52 spurge 52 invasive weeds 52 water hyacinth 52 downy mildew 52 toxic algae blooms 52 Eurasian milfoil 52 overgrazing 52 nutrient runoff 52 insect infestation 52 shoreline erosion 52 leafhoppers 52 fungal disease 52 hogweed 51 overgrowth 51 apple scab 51 duckweed 51 Emerald ash borer 51 cordgrass 51 vetch 51 invasive weed 51 overwatering 51 Botrytis 51 siltation 51 Controlled burns 51 Canker 51 aspen stands 51 stinkbugs 51 forested wetlands 51 mold infestation 51 Milfoil 51 saltmarsh 51 ragwort 51 cogongrass 51 flea beetles 51 riparian vegetation 51 wetland 51 defoliate 51 revegetate 51 glyphosate resistance 50 algal bloom 50 leaf rust 50 spider mites 50 leafy spurge 50 Invasive species 50 seagrasses 50 sown crops 50 phragmites 50 pests 50 deciduous forests 50 loosestrife 50 weeds