Related by context. Frequent words. (Click for all words.) 80 lodgepole pine 72 aspen 68 aspens 67 bark beetles 67 ponderosa pine 66 conifers 65 beetle infestation 64 bark beetle 63 Douglas fir 63 junipers 63 sagebrush 63 juniper 63 pine beetles 63 cottonwood 62 cheatgrass 62 Douglas firs 62 conifer 62 cottonwoods 62 understory 62 pine trees 61 mountain pine beetle 61 hemlocks 60 pine beetle 60 cottonwood trees 60 spruce trees 60 birch trees 60 fir trees 60 bark beetle infestation 60 manzanita 58 hardwood trees 58 willows 57 hemlock 57 grasses 57 vegetation 57 larch 57 woody plants 57 tamarisk 57 trees 56 prairie grasses 56 chaparral 56 beetle 56 hardwood forests 55 phragmites 55 mesquite 55 pine forests 55 pines 55 evergreens 54 beech trees 54 woody debris 54 lichen 54 poplar trees 54 prairie grass 54 cattails 54 grasslands 54 birches 53 beetles 53 rangeland 53 birch 53 deciduous trees 53 boreal forests 53 shrub 52 insect infestations 52 grassland 52 poplars 52 maples 52 eucalyptus trees 52 elm trees 52 forests 52 groundcover 52 invasive weeds 52 leaf litter 52 cattle grazing 52 oak trees 52 elk 52 grasshoppers 51 meadow 51 evergreen trees 51 purple loosestrife 51 bracken 51 elms 51 huckleberries 51 elk herds 51 grazing cattle 51 foliage 51 noxious weeds 51 forest thinning 50 catastrophic wildfires 50 cedars 50 moss 50 native grasses 50 ash trees 50 tall grasses 50 buckthorn 50 meadows 50 pine 50 forest 50 poplar 50 balsam 50 underbrush 50 redwood trees 50 redwoods