Related by context. Frequent words. (Click for all words.) 62 conifer forests 61 coniferous forests 61 serviceberry 61 beetle infestations 60 deciduous forests 60 hickories 60 piñon 59 Invasive plants 59 ponderosa 59 silver maples 58 lodgepole 58 coniferous trees 58 conifer trees 58 hackberry 58 aspen stands 58 conifers 58 red cedars 57 jack pine 57 yuccas 57 Phragmites 57 aspen trees 57 evergreen forests 57 cordgrass 57 softwoods 57 montane 57 birches 57 riparian zones 57 lodgepole pines 57 vetch 56 tamarack 56 hemlock trees 56 temperate forests 56 acidic soils 56 aspen 56 Phytophthora 56 leafhoppers 56 Eucalyptus trees 56 Pinus 56 Ponderosa pine 56 lichen 56 eucalypts 56 cattail 55 flowering dogwood 55 beech trees 55 sphagnum moss 55 cottonwoods 55 red maples 55 poplars 55 broad leafed 55 tupelo 55 oak maple 55 Alternaria 55 barrens 55 acacias 55 boreal forests 55 catmint 55 ponderosa pines 55 birch trees 55 junipers 55 fireweed 55 salal 55 soils 55 pampas grass 55 skunk cabbage 55 sawfly 54 hardwood forests 54 herbaceous perennials 54 mosses 54 tent caterpillars 54 tulip tree 54 balsam fir 54 mountain pine beetles 54 lupines 54 sedges 54 flowering shrub 54 shade tolerant 54 Scotch broom 54 terpenes 54 river birch 54 ornamental shrubs 54 beaver ponds 54 sandy loam 54 hawthorns 54 hogweed 54 ceanothus 54 pine trees 54 tansy 54 hay meadows 54 forbs 54 spruce trees 54 Ponderosa pines 53 alkaline soil 53 shrubby 53 liriope 53 sumac 53 bagworms 53 seedheads 53 trilliums 53 sedge 53 euonymus 53 prickly pears