Related by context. Frequent words. (Click for all words.) 63 Japanese knotweed 62 vegetation 62 pampas grass 62 eucalypts 60 invasive weed 60 fireweed 60 noxious weed 60 grasses 59 fern 59 phragmites 59 tamarisk 59 oleanders 59 junipers 59 shrubby 58 whiteflies 58 barberry 58 lantana 57 privet 57 purple loosestrife 57 shrub 57 hardwood trees 57 eucalyptus 57 salt cedar 57 pine plantations 57 ferns 57 woody plants 57 knotweed 56 manzanita 56 evergreen shrub 56 weeds 56 invasives 56 weevil 56 buckthorn 56 honeysuckle 55 pine trees 55 gypsy moth caterpillars 55 whitefly 55 invasive weeds 55 myrtle 55 conifers 55 leafy spurge 55 pests 55 invasive species 55 ficus 54 longleaf pine 54 beetles 54 Phytophthora 54 cassia 54 agaves 54 palmettos 54 salt tolerant 54 wattles 54 water hyacinth 54 Argentine ants 54 acacia 54 sumac 54 canker 54 shrubs 54 prickly pear 54 forbs 54 flora 54 trees 53 species 53 beetle 53 weevils 53 hemlock trees 53 cannas 53 groundcover 53 vetch 53 horsetail 53 cactus 53 Canker 53 understory 53 citrus trees 53 broadleaf 53 seedpods 53 parasitic wasps 53 insect 53 bromeliads 52 pines 52 mangroves 52 cattail 52 insect pests 52 eucalyptus trees 52 agapanthus 52 adelgid 52 kudzu 52 fungus 52 Poison ivy 52 citrus canker 52 Invasive species 52 nonnative species 52 carpenter ants 52 orchid species 52 viburnum 52 spp 52 mesquite 52 mangrove trees 52 aquatic weeds 52 berry bushes 52 knapweed