Related by context. Frequent words. (Click for all words.) 56 lodgepole 55 trees 54 bark beetle infestation 53 hardwood trees 53 lodgepole pine 52 lodgepole pines 52 hemlock trees 51 mountain pine beetles 51 hemlocks 50 juniper trees 50 manzanita 50 beetle infestation 49 pine trees 49 bark beetles 49 overhanging branches 49 felled trees 49 Scotch broom 49 ponderosa pines 49 tree limbs 49 woody debris 48 aspen trees 48 cypress tree 48 beech trees 48 vegetation 48 sycamore trees 48 conifers 47 aspen 47 clearcuts 47 oak trees 47 ash trees 46 gypsy moth caterpillars 46 tress 46 redwood trees 46 nonnative plants 46 native grasses 46 pine beetle infestation 46 California condors 46 Douglas fir trees 46 tree trunks 46 cottonwood trees 45 prunings 45 fairy shrimp 45 pine beetles 45 cottonwoods 45 beeches 45 longleaf pine 45 downed tree limbs 45 Controlled burns 45 desert tortoises 45 jack pine 45 oak woodlands 45 cottonwood 44 saguaros 44 eucalyptus trees 44 desert bighorn sheep 44 Prescribed burns 44 tree 44 tree stumps 44 giant sequoias 44 cottonwood tree 44 junipers 44 sequoias 44 replant trees 44 timber harvests 44 felling trees 44 rock outcroppings 44 ridgetops 44 bark beetle 44 blackberry bushes 44 hemlock woolly adelgid 43 willow trees 43 Tree limbs 43 leafless 43 firebreaks 43 triggering landslides 43 redwood tree 43 mesquite trees 43 citrus trees 43 spotted owl habitat 43 pampas grass 43 downed trees 43 hickories 43 overgrown vegetation 43 invasive weeds 43 cypress trees 43 eucalypts 43 dense foliage 43 ponderosa pine 43 forest 43 flower stalks 43 ficus trees 43 girdled 42 Asian longhorned beetle 42 pine plantations 42 oaks 42 Wildfire burns 42 hackberry 42 pine tree 42 federally endangered 42 ridge tops 42 understory