Related by context. Frequent words. (Click for all words.) 59 Gypsy moths 58 invasive weed 57 Scotch broom 57 fireweed 57 oxalis 56 bagworms 56 purple loosestrife 56 kudzu 56 loosestrife 55 horsetail 55 liriope 55 Virginia creeper 55 barberry 54 oleanders 54 hemlock woolly adelgid 53 foxtail 53 Phragmites 53 junipers 53 invasive insect 53 pampas grass 53 vine 53 foliage 53 hackberry 53 bindweed 53 mountain laurel 52 deciduous tree 52 knapweed 52 hemlocks 52 hemlock trees 52 Emerald ash borer 52 wisteria 51 groundcover 51 chinch bugs 51 whitefly 51 buffelgrass 51 fern 51 leafless 51 Japanese knotweed 51 Sudden Oak 51 crepe myrtle 51 understory 51 dogwood trees 51 crabgrass 51 serviceberry 51 garlic mustard 51 herbaceous perennials 51 chickweed 51 spider mites 51 knotweed 51 trilliums 51 Hydrilla 50 hogweed 50 phragmites 50 forsythia 50 cattail 50 vines 50 rhododendron 50 cheatgrass 50 honeysuckle 50 shrubby 50 stink bug 50 shrub 50 fungal disease 50 lantana 50 salt cedar 50 berry bushes 50 manzanita 50 ficus 50 acacias 50 gypsy moth 50 whiteflies 50 conifer trees 50 ornamental grass 50 apple blossoms 50 Milfoil 50 shrubs 49 invasive pest 49 hellebore 49 privet 49 buckthorn 49 ripening fruit 49 hickories 49 ragwort 49 flower stalk 49 crape myrtles 49 evergreen shrub 49 ferns 49 beetle 49 melaleuca 49 anthracnose 49 salvinia 49 cottony 49 Invasive plants 49 cannas 49 moth 49 palmetto 49 skunk cabbage 49 mealybugs 49 crape myrtle 49 walnut trees 49 tamarisk