Related by context. Frequent words. (Click for all words.) 51 deciduous forests 50 tamarack 50 softwoods 50 longleaf pines 50 tupelo 49 hickories 49 hemlock trees 48 Ponderosa pine 48 cypress swamps 47 hardwood forest 47 jack pine 47 hardwood forests 47 sphagnum moss 46 pine plantations 46 woodland 46 oak maple 46 longleaf pine 46 hardwood trees 46 loblolly pine 45 coniferous trees 45 ponderosa 45 Invasive plants 45 understory 45 virgin forest 45 pine spruce 44 prairie grasses 44 woodlands 44 conifer trees 44 forest 44 deciduous forest 44 evergreen forests 44 pine plantation 44 coniferous 44 pine barrens 43 Help Reason 43 ponderosa pines 43 heartwood 43 salal 43 sawlogs 43 forestland 43 grassland habitat 43 pine trees 43 bur oak 43 pine forest 43 woody stems 43 eucalypt 43 lowland forests 43 lodgepole 43 woodlots 43 Douglas fir 43 hardwoods 43 birch 43 biomass feedstock 42 forested wetlands 42 beech 42 timber plantations 42 clearcuts 42 wheat stubble 42 conifer 42 ArborGen 42 mildew resistant 42 forestlands 42 melaleuca 42 hemlocks 42 kraft pulp 42 fescue grass 41 wood chips 41 tree canopies 41 wetland ecosystems 41 birch trees 41 roundwood 41 oak woodlands 41 aspen stands 41 boreal forest 41 deadfall 41 virgin forests 41 boreal forests 41 biomass 41 Ponderosa pines 41 pulpwood 41 tropical rainforest 41 horsetail 41 cellulose fibers 41 primeval forest 41 aspen 40 poplar 40 reforested 40 moss 40 sequoias 40 alpine meadows 40 timber harvest 40 sawmilling 40 vegetation 40 owl habitat 40 lodgepole pine 40 pine bark 40 beech trees 40 tussock 40 Hancock Timber 40 barrens 40 bracken