Related by context. Frequent words. (Click for all words.) 71 lodgepole pine 64 conifer 64 aspen 63 cottonwood 61 aspen trees 60 conifers 59 birch trees 59 hardwood forest 59 Douglas fir 59 spruce trees 58 pine trees 57 junipers 57 ponderosa pine 57 hardwood trees 57 beech trees 56 poplar trees 56 Douglas firs 56 hardwood forests 56 prairie grasses 56 hemlock 56 understory 56 birch 55 pine forests 55 hemlocks 55 larch 55 woodlot 55 birches 54 cottonwoods 54 poplar 54 boreal forests 54 fir trees 54 pines 54 pine beetle 54 maples 53 juniper 53 shrub 53 cottonwood trees 53 aspens 53 prairie grass 52 buckthorn 52 trees 52 pine forest 52 manzanita 52 woodlands 52 phragmites 52 poplars 52 purple loosestrife 52 cedars 52 beetle 52 beetle infestation 52 species 52 boreal forest 52 beech 51 pine 51 moss 51 hardwoods 51 pine beetles 51 woody plants 51 forest 51 willows 51 deciduous 51 sagebrush 51 cheatgrass 51 oak trees 51 elm 51 elms 51 mountain pine beetle 50 evergreen trees 50 sycamore 50 Japanese knotweed 50 grasses 50 ash trees 50 woodlots 50 elm trees 50 ferns 50 prairie 50 seedling 50 sugar maple 50 glade 50 grassland 50 meadow 50 shrubs 50 cedar 50 bracken 50 harvestable 50 groundcover 49 forested 49 deciduous trees 49 lichen 49 vegetation 49 boreal 49 forests 49 sedge 49 bark beetles 49 tundra 49 oaks 49 cattails 49 grasslands 49 bark beetle 49 dogwood 49 native grasses