Related by context. Frequent words. (Click for all words.) 64 hemlock trees 63 hardwood forests 62 hemlocks 61 hickories 60 woodlands 59 Gypsy moths 59 adelgids 58 Invasive plants 58 pine forests 58 mountain laurel 57 barrens 57 adelgid 57 deciduous forest 57 grassland habitat 57 hemlock woolly adelgid 57 evergreen forests 56 beech trees 56 hay meadows 56 forests 56 junipers 56 longleaf pine 55 cypress swamps 55 longleaf pines 55 wetland habitats 55 loosestrife 55 red cockaded woodpecker 55 hardwood trees 55 serviceberry 55 virgin forests 55 softwoods 55 federally endangered 55 hardwood forest 55 hackberry 54 conifers 54 hardwoods 54 temperate forests 54 ornamental shrubs 54 tidal marshes 54 aspen trees 53 deciduous trees 53 herbaceous perennials 53 lodgepole 53 grassland birds 53 oak woodlands 53 understory 53 pine trees 53 bamboo forests 53 beeches 53 sycamore trees 53 southern Appalachians 52 viburnums 52 foliage 52 larch 52 conifer 52 nonnative plants 52 lodgepole pines 52 melaleuca 52 boreal forests 52 pines 52 clearcuts 52 conifer trees 52 ornamental trees 52 shrubs 52 shrubby 52 heartwood 52 Feral hogs 51 Rhododendrons 51 lowland forests 51 Japanese knotweed 51 Virginia creeper 51 sequoias 51 maples 51 dogwood trees 51 pine plantations 51 Leyland cypress 51 oak woodland 51 tallgrass prairie 51 birches 51 dogwood 51 saltmarsh 51 Ponderosa pine 51 purple loosestrife 51 ponderosa pines 50 invasive insect 50 ponderosa 50 evergreens 50 willows 50 cottonwoods 50 red maples 50 berry bushes 50 jack pine 50 wildlife habitats 50 Emerald ash borer 50 meadows 50 chestnut trees 50 sedge 50 oak trees 50 fox squirrels 50 forbs 50 redbud 50 beetle infestation