Related by context. Frequent words. (Click for all words.) 65 hyacinth 60 hydrilla 59 phragmites 59 invasive species 57 hyacinths 57 invasive weed 57 aquatic vegetation 56 invasives 55 purple loosestrife 55 weeds 55 milfoil 54 weevils 54 seaweeds 52 mangrove trees 52 siltation 52 bamboos 52 invasive weeds 51 tamarisk 51 algae 51 buckthorn 51 weevil 51 mangrove 50 snails 50 soil erosion 50 noxious weeds 50 acacia 50 grass carp 49 pests 49 grasses 49 alga 49 Zebra mussels 49 mangroves 49 sisal 49 eelgrass 49 spider mites 49 Invasive species 49 seaweed 49 zebra mussels 48 mulberry 48 fern 48 lantana 48 schistosomiasis 48 algal blooms 48 spp 48 algal bloom 48 insect pests 47 caterpillars 47 noxious weed 47 bracken 47 algal 47 mosquito larvae 47 ferns 47 seagrass 47 cattails 47 garlic mustard 47 quagga mussels 46 fungal 46 ornamental fish 46 moss 46 sedge 46 woody plants 46 vegetation 46 lionfish 46 spiny 46 insects 46 fertilizers 46 mussel 45 insect 45 mussels 45 abaca 45 aquatic species 45 Mangroves 45 molluscs 45 silting 45 pest 45 mangrove forests 45 aphids 45 crabgrass 45 insecticides 45 fishing nets 45 silt 45 zebra mussel 45 fungal diseases 45 Tilapia 45 nonnative species 45 tubers 45 species 45 cassava 45 nematodes 45 fungus 45 woody debris 44 coral 44 flora 44 mangrove forest 44 shrub 44 groundcover 44 didymo 44 native grasses 44 fungi 44 aphid 44 Insecticides