Related by context. Frequent words. (Click for all words.) 67 aspen 66 aspen trees 66 ponderosa pines 64 lodgepole pine 64 barrens 63 grassland birds 63 aspens 62 lodgepole pines 62 clearcuts 62 jack pine 62 hickories 61 hardwood forests 61 woodlands 61 scrub oak 61 pine forests 61 oak woodlands 61 conifers 60 coniferous 60 alpine meadows 59 sagebrush 59 forests 59 understory 59 oak woodland 59 boreal forests 59 grasslands 59 hemlocks 59 mountain pine beetles 58 pine forest 58 cottonwoods 58 forested 58 birch trees 58 redwood forest 58 junipers 57 hemlock trees 57 beeches 57 meadows 57 Prescribed burns 57 tailed deer 57 ponderosa pine 57 hardwood forest 57 meadow 57 willows 57 pine plantations 57 sequoias 56 tallgrass prairie 56 grassland 56 beech trees 56 shrubby 56 pine trees 56 juniper trees 56 birches 56 conifer 56 Bighorn sheep 56 spruce trees 55 Douglas firs 55 tussock 55 hackberry 55 forbs 55 fireweed 55 cottonwood trees 55 prairie 55 owl habitat 55 pronghorns 55 vegetation 55 sage brush 55 prairie grasses 55 prairies 55 riparian habitat 55 forest ecosystems 54 forest 54 boreal forest 54 streamside 54 ptarmigan 54 lynx habitat 54 mountain laurel 54 lichen 54 hardwood trees 54 woody plants 54 woodland 54 woodland caribou 54 sedge 54 beetle infestation 53 Chihuahuan Desert 53 pine beetle infestation 53 deciduous trees 53 longleaf pine 53 Douglas fir 53 ecosystems 53 glade 53 snowshoe hare 53 caribou herds 53 Douglas fir trees 53 boreal 53 savannahs 53 loosestrife 53 berry bushes 53 prairie grass 53 juniper 53 lupines 53 biome 53 habitat