Related by context. Frequent words. (Click for all words.) 55 poplar trees 51 lodgepole 50 conifer trees 49 acacias 49 pine trees 48 Botanists 48 hemlock trees 48 hickories 48 cottonwood trees 48 mountain pine beetles 47 juniper trees 47 Scotch broom 47 ponderosa pines 46 trees 46 junipers 46 lodgepole pine 46 lichen 46 plants 45 grasses 45 eucalyptus trees 45 peat bogs 45 hardwood trees 45 mesquite trees 45 oxalis 45 dense brush 45 forbs 45 sycamore trees 45 aspens 45 jack pine 45 lowland forests 45 manzanita 45 beeches 45 sequoias 44 longleaf pines 44 temperate forests 44 willows 44 berry bushes 44 redwood trees 44 vegetation 44 scrub oak 44 dune grass 44 woody plants 44 shrubby 44 aspen trees 44 hackberry 44 boreal forests 44 leafy spurge 43 cheatgrass 43 conifer 43 conifers 43 lodgepole pines 43 sawgrass 43 cattail 43 buffelgrass 43 scientists 43 Ponderosa pine 43 fir trees 43 botanists 43 invasive weeds 42 barrens 42 pine plantations 42 marsh 42 tussock 42 understory 42 birch trees 42 nonnative plants 42 Douglas fir trees 42 prairie grasses 42 ponderosa 42 ecologists 42 prairie grass 42 redwoods 42 tundra 42 spruce trees 42 pampas grass 42 forests 42 hardwood forest 42 shrubs 42 tinder dry brush 42 evergreen forests 42 beaver pond 41 boreal forest 41 woody debris 41 cottonwoods 41 cornstalks 41 sagebrush 41 birches 41 salt cedar 41 aspen 41 cattails 41 grasslands 41 spotted owl habitat 41 weeds 41 bagworms 41 thorn bushes 41 butterfly bushes 41 marsh grasses 41 oak trees 41 blueberry bushes 41 loosestrife 41 grassland