Related by context. Frequent words. (Click for all words.) 72 garlic mustard 71 buckthorn 71 purple loosestrife 71 invasive weeds 68 invasives 68 Japanese knotweed 67 noxious weeds 67 knotweed 66 phragmites 66 invasive weed 65 weeds 64 tamarisk 63 invasive species 63 noxious weed 63 blackberry bushes 63 salt cedar 62 dandelions 62 thistles 61 manzanita 61 knapweed 61 junipers 60 honeysuckle 59 woody plants 59 privet 59 cheatgrass 58 conifers 58 crape myrtle 58 shrubs 58 groundcover 58 shrub 58 wildflowers 58 understory 57 hardwood trees 57 milkweed 57 conifer 57 vegetation 57 spider mites 57 cattails 57 hyacinth 56 ferns 56 butterfly bush 56 lantana 56 gypsy moths 56 pests 56 rhododendron 55 rhododendrons 55 sumac 55 dandelion 55 cottonwoods 55 phlox 55 bracken 55 cannas 55 mountain laurel 55 blackberries 55 hemlocks 55 groundcovers 54 willows 54 Invasive species 54 crab apple 54 kudzu 54 walnut trees 54 beneficial insects 54 hollyhocks 54 prairie grasses 54 crape myrtles 54 trees 54 grasses 54 juniper 54 weevils 54 thistle 54 gypsy moth 53 deciduous trees 53 insect pest 53 prairie grass 53 vines 53 milfoil 53 water hyacinth 53 pigweed 53 elms 53 lodgepole pine 53 dogwood 53 blueberry bushes 53 invasive alien 53 weed seeds 53 weevil 53 native grasses 53 sedums 53 ornamental grasses 53 cottonwood trees 52 nasturtiums 52 Douglas firs 52 clematis 52 moss 52 daylilies 52 beetles 52 sedges 52 poplars 52 elm trees 52 berries 52 hydrangea 52 fern