England english forest Great Britain green hill hilltop landscape natural nature spring Sussex trees view woodland boundary drystone farm field north northern wall Acer sempervirens Cretan fresh Greece Greek leaf leaves maple shrub tree trilobate ancient botanic botany cone cones cycad Cycadophyta cycads frond fronds plant prehistoric Acer campestre field maple gall pustule red Surrey flower garden halophyte rosette spike spines stone succulent swirl xerophyte Apulia boulder Gargano hillside Italy oak Puglia Quercus rock young ecology habitat heathy Lofoten Islands moss norway norwegian rocks summer sward vegetation crosswort Cruciata laevipes flowers plants wild yellow