Related by context. Frequent words. (Click for all words.) 72 aspen 69 aspens 66 pine beetles 64 bark beetles 64 spruce trees 63 pine beetle 63 bark beetle 62 mountain pine beetle 62 conifers 61 hemlocks 61 junipers 60 ponderosa pine 60 pine trees 59 Douglas fir 59 ash trees 58 birch trees 57 fir trees 57 cottonwoods 57 Douglas firs 57 pine forests 56 hardwood trees 56 pines 56 elms 56 conifer 55 tamarisk 55 understory 55 elm trees 55 maples 55 beetle 54 hardwood forests 54 sagebrush 54 cottonwood 53 juniper 53 cheatgrass 53 lichen 53 deciduous trees 53 cottonwood trees 53 trees 52 bighorns 52 woody plants 52 oaks 52 vegetation 51 hemlock 51 cedars 51 beetles 51 birch 51 walnut trees 51 oak trees 51 foliage 51 grizzlies 50 elk 50 willows 50 evergreens 50 sugar maples 50 poplars 50 elk herds 50 grasses 50 grizzly bears 50 hardwoods 50 evergreen trees 49 forests 49 pine 49 fir 49 cedar 49 elk herd 48 poplar trees 48 mesquite 48 eucalyptus trees 48 borers 48 chaparral 48 invasive weeds 48 pine forest 48 cedar trees 47 buckthorn 47 lynx 47 noxious weeds 47 mule deer 47 deciduous 47 blue spruce 47 woodlands 47 forested 47 oak 46 rhododendron 46 gypsy moths 46 deer herds 46 elm 46 shrub 46 trumpeter swans 46 shrubs 46 bighorn sheep 46 cutthroat trout 45 deer herd 45 maple trees 45 leaf litter 45 wildflowers 45 forest canopy 45 sycamore 45 underbrush 45 redwood 44 lichens 44 moose