Related by context. Frequent words. (Click for all words.) 64 evergreen forests 64 deciduous forests 63 temperate forests 61 oak woodlands 61 grasslands 59 deciduous forest 58 grassland 57 oak woodland 57 shrubby 57 temperate regions 57 chaparral 56 semi arid regions 56 acidic soils 56 savannahs 56 fynbos 56 hickories 56 forbs 56 understory 55 lowland forests 55 barrens 55 savannas 55 vegetation 55 temperate zones 54 heaths 54 uplands 54 aridity 54 hardwood forests 54 prolonged droughts 54 grassland habitat 54 brushland 54 lowland 53 Ponderosa pine 53 conifers 53 pine plantations 53 ponderosa 53 semi arid 53 lowlands 53 terrestrial ecosystems 53 ponderosa pines 53 forest ecosystems 53 biome 53 poleward 53 escarpments 53 grasses 53 junipers 53 forested 52 deep gorges 52 humid tropical 52 deciduous 52 savanna 52 pasturelands 52 coastal bluffs 52 manzanita 52 shade tolerant 52 drylands 52 arid 52 habitat fragmentation 52 juniper 52 rangelands 52 forests 52 herbaceous perennials 52 biodiversity hotspots 51 volcanic peaks 51 alpine meadows 51 woodlands 51 acacias 51 El Niños 51 forested wetlands 51 coniferous 51 habitats 51 cerrado 51 tussock 51 hay meadows 51 cypress swamps 51 shelterbelts 51 drier summers 51 overgrazed 51 eucalypts 51 tidal marshes 51 piñon 51 faunal 51 landforms 51 heathland 51 boreal forests 51 Vegetation 50 deciduous trees 50 lakeshores 50 wetland ecosystems 50 glaciated 50 microclimates 50 micro climates 50 taxa 50 herbaceous plants 50 meadows 50 ecologies 50 clearcuts 50 calcareous 50 grassland birds 50 scrub oak 50 sequoias 50 evergreen shrubs