Related by context. Frequent words. (Click for all words.) 59 spruce fir 58 pine oak 58 deciduous forests 57 hickories 57 hackberry 57 oak pine 56 fir forests 56 conifer forests 56 oak hickory 55 hickory trees 55 coniferous forests 55 coniferous 55 hardwood forests 54 pinyon 54 Bark beetles 54 serviceberry 54 Hemlocks 54 goshawks 54 madrone 53 piñon 53 oak woodland 53 sweetgum 53 tamarack 53 Invasive plants 53 evergreen forests 53 bur oak 53 wax myrtle 53 red cedars 53 pinon juniper 52 catalpa 52 temperate rainforest 52 mixed conifer 52 berry bushes 52 alkaline soils 52 hawthorns 52 peeling bark 52 xeric 52 temperate forests 52 lowland forests 52 epiphytes 52 coniferous trees 52 coastal sage scrub 51 red maples 51 broad leafed 51 conifers 51 deciduous forest 51 subalpine 51 Japanese barberry 51 Norway maples 51 ornamental shrubs 51 jack pine 51 alder trees 51 Pinus 51 reforested 51 defoliating 51 Deciduous 51 perennials shrubs 51 cabbage palms 51 montane 51 forbs 51 Forested 51 salal 51 flowering dogwood 51 upland habitat 51 shrubby 50 ponderosa pine trees 50 Prescribed burning 50 wintering waterfowl 50 dense thickets 50 forested 50 trees 50 sparse vegetation 50 Ponderosa pine 50 Monterey pines 50 lodgepole 50 hardwood trees 50 Garlic mustard 50 native flora 50 silver maples 49 softwoods 49 woodlands 49 milkweeds 49 mesquite trees 49 longleaf 49 Spider mites 49 red cockaded woodpeckers 49 loblolly pine 49 Greater Yellowstone Ecosystem 49 sequoias 49 squirrels rabbits 49 honey locust 49 native prairie grasses 49 evergreen shrubs 49 butterfly bushes 49 pine martens 49 deciduous tree 49 barrens 49 Southern Appalachians 49 river birch 49 shade tolerant 49 outcompeting