Related by context. Frequent words. (Click for all words.) 57 ponderosa pines 57 lodgepole pine 56 longleaf pines 56 hardwood trees 56 Ponderosa pine 56 lodgepole 55 dune grass 55 Douglas fir trees 55 seedlings 55 trees 55 aspen trees 53 Douglas firs 53 seedling 53 poplar trees 53 cottonwoods 53 virgin forests 53 pine trees 53 conifer trees 52 hemlock trees 52 Scotch broom 52 saplings 52 conifers 52 cottonwood trees 52 fir trees 52 ponderosa 51 mulberry trees 51 willow trees 51 sycamore trees 51 prairie grasses 51 scrub oak 51 prairie grass 50 blueberry bushes 50 spruce trees 50 loosestrife 50 poplars 50 eucalypts 50 longleaf pine 50 riparian habitat 50 eucalypt 50 cottonwood 50 juniper trees 50 tree seedlings 49 junipers 49 tree saplings 49 lodgepole pines 49 reforesting 49 citrus orchards 49 beech trees 49 jack pine 49 Replanting 49 hickories 49 birch trees 49 aspen 48 oak trees 48 Seedlings 48 elm trees 48 sycamores 48 nonnative plants 48 sagebrush 48 clearcuts 48 lowland forests 48 beeches 48 forbs 48 forests 48 pine forests 48 walnut trees 48 Conifers 48 pine forest 48 melaleuca 48 chestnut trees 48 mesquite trees 48 vegetation 48 willows 48 conifer 47 grassland 47 acres 47 woody debris 47 Douglas fir 47 hemlocks 47 replanted 47 tussock 47 grasses 47 understory 47 lilac bushes 47 mountain pine beetles 47 reforested 47 shrubs 47 woodlands 47 headwater streams 47 Entire towns 47 aspens 47 grasslands 47 ridgetops 47 dogwood trees 47 buffelgrass 47 pines 47 redwoods 47 river birch 47 beech tree 47 woody plants 47 vines