Related by context. Frequent words. (Click for all words.) 67 Hydrilla 67 Phragmites 63 hydrilla 63 Eurasian milfoil 63 aquatic vegetation 63 cordgrass 62 spartina 62 cattail 61 Milfoil 60 freshwater mussels 60 killifish 60 aquatic invertebrates 60 tunicates 60 aquatic weed 59 phragmites 59 salvinia 59 Eurasian watermilfoil 59 bulrush 59 Invasive plants 58 oxalis 58 eelgrass 58 Poison ivy 58 knotweed 58 voracious predators 57 chickweed 57 aquatic weeds 57 hickories 57 duckweed 57 croton 57 perennial herb 57 skunk cabbage 57 leopard frogs 57 melaleuca 57 giant salvinia 57 flea beetles 57 gastropods 56 eel grass 56 bald cypress 56 californica 56 stinkbugs 56 periwinkles 56 eelgrass beds 56 hemlock trees 56 pacu 56 purple loosestrife 55 staghorn 55 alkaline soils 55 spp 55 euonymus 55 Rotenone 55 hogweed 55 loosestrife 55 northern snakehead 55 mealy bugs 55 stinging nettle 55 cottonmouths 55 horsetail 55 Invasive species 55 tupelo 55 spiny 55 Stink bugs 55 water hyacinth 55 freshwater marsh 55 broad leafed 55 lupines 55 macroinvertebrates 55 bromeliad 55 bayberry 55 canadensis 55 Invasive 54 freshwater ponds 54 caladiums 54 water moccasin 54 bass bluegill 54 hackberry 54 hyacinths 54 bowfin 54 Sea otters 54 loblolly pines 54 lady slipper 54 serviceberry 54 round gobies 54 bottlebrush 54 tent caterpillars 54 alkaline soil 54 cypress swamps 54 greenish brown 54 mussels 54 pachysandra 54 moray eels 54 hogfish 54 amphipods 54 mosquitofish 53 insect larvae 53 bass crappie 53 evening primrose 53 Quagga mussels 53 Scotch broom 53 snakehead fish 53 Japanese knotweed 53 coral formations