Related by context. Frequent words. (Click for all words.) 68 Japanese knotweed 60 bracken 59 knotweed 59 purple loosestrife 58 buckthorn 57 privet 56 invasive weed 56 phragmites 54 water hyacinth 54 conifers 54 shrubby 53 fern 53 lantana 53 garlic mustard 53 tamarisk 52 sedge 52 invasive weeds 52 shrub 52 invasive alien 52 hyacinth 52 weeds 51 spp 51 shrubs 51 willows 51 Fungal 51 cannas 50 nettles 50 bluebells 50 invasives 50 beech trees 50 rhododendron 50 undergrowth 50 thistles 50 conifer 50 ferns 50 noxious weed 50 whitefly 50 salt cedar 49 hemlock trees 49 brassicas 49 spider mites 49 sycamore trees 49 horse chestnut 49 hyacinths 49 knapweed 49 groundcover 49 invasive 49 Dandelions 49 junipers 48 manzanita 48 Aphids 48 crabapples 48 snowdrops 48 Didymo 48 heathland 48 invasive species 48 woody plants 48 invasive pest 48 noxious weeds 48 viburnum 48 Invasive 48 willow trees 48 weevils 47 pests 47 hydrilla 47 seedpods 47 woodland 47 hawthorn 47 grasses 47 wisteria 47 pine plantations 47 leaved 47 vegetation 47 fuchsias 47 Fungus 47 invasive aquatic 47 deciduous trees 47 mosses 47 reed beds 46 whiteflies 46 brambles 46 blackberry bushes 46 gray squirrels 46 ladybirds 46 groundcovers 46 cattail 46 hedgerows 46 cheatgrass 46 fungal disease 46 hardwood trees 46 sedums 46 Pests 46 Canker 46 poplars 46 gypsy moths 45 understory 45 Mulching 45 glasshouses 45 moss 45 grass verges 45 dieback