Related by context. Frequent words. (Click for all words.) 73 aspens 66 conifers 64 cottonwoods 63 ponderosa pine 63 cottonwood 63 birch 62 birch trees 62 conifer 61 Douglas fir 60 juniper 60 hemlocks 60 bark beetles 60 maples 59 spruce trees 59 lichen 59 willows 59 pine beetle 59 sagebrush 58 mountain pine beetle 58 deciduous trees 58 pine trees 57 wildflowers 57 pine forests 56 elk 55 grasses 54 pronghorn 54 mule deer 54 vegetation 54 foliage 54 fir trees 54 woodlands 54 deciduous 53 beetle 53 evergreens 53 elms 53 poplar 53 pines 53 poplars 53 mesquite 53 trees 52 oaks 52 rhododendron 52 prairie grass 51 ash trees 51 invasive weeds 51 native grasses 51 evergreen trees 51 beetles 51 oak 51 grasslands 51 lichens 51 cedars 51 forests 51 shrubs 51 alder 51 hemlock 50 wildflower 50 shrub 50 dogwood 50 lupine 50 ferns 50 fir 50 forest 50 heather 50 elk herd 50 forest canopy 49 woodland 49 beech 49 bighorn sheep 49 sugar maple 49 pine 49 oak trees 49 lynx 49 moose 49 flowering plants 48 bighorns 48 meadows 48 mosses 48 alpine 48 cattails 48 noxious weeds 48 hardwoods 48 cedar 48 cedar trees 48 elm 48 prairie 47 timber harvest 47 meadow 47 defoliation 47 moss 47 deer 47 grassland 47 leaf litter 47 cutthroat trout 47 pine forest 47 willow 46 rangeland 46 antelope 46 ornamental grasses 46 bull trout 46 rhododendrons