Related by context. Frequent words. (Click for all words.) 59 lodgepole 58 conifer trees 58 Ponderosa pine 57 understory 56 jack pine 55 softwoods 55 vegetation 55 woody plants 54 aspen 54 ponderosa pine 54 aspen trees 54 lodgepole pine 53 shrubby 53 ponderosa 52 hickories 52 ponderosa pines 52 longleaf pines 52 cottonwood trees 52 native grasses 52 aspens 51 conifers 51 cattail 51 conifer 51 junipers 51 heartwood 51 Douglas fir trees 51 woody debris 51 pampas grass 50 cottonwood 50 ridgetops 50 clearcuts 50 pine plantation 50 lichen 50 juniper 50 shrub 50 shrubs 50 poplar trees 50 grasses 50 owl habitat 50 barrens 49 eucalypt 49 Douglas fir 49 Prescribed burns 49 Thinning 49 woody 49 sycamore trees 49 cankers 49 forbs 49 grassland 49 bushier 49 pine plantations 49 pine trees 49 serviceberry 49 birch trees 49 sphagnum moss 49 cheatgrass 49 pine bark 49 prairie grasses 48 cottonwoods 48 bracken 48 trees 48 overgrown forests 48 eucalypts 48 Douglas firs 48 willows 48 poplars 48 tussock 48 hardwood trees 48 regrowth 48 coniferous 48 Controlled burns 48 grassland habitat 48 lodgepole pines 48 unburned 48 hemlock trees 48 oak woodland 47 salt cedar 47 oak woodlands 47 thinning 47 alkaline soil 47 soils 47 groundcover 47 herbaceous plants 47 juniper trees 47 decomposed granite 47 hackberry 47 horsetail 47 moss 47 longleaf pine 47 bamboo forests 47 scrub oak 47 seed germination 47 hemlocks 47 manzanita 47 Sedum 47 beech trees 47 hardwood forests 47 beeches 47 mycelium 47 revegetate 46 sage brush