newly planted european beachgrass, petten, the netherlands

abstract adaptive ammophila anchor angiosperms arenaria brown coast coastal coastline commelinids defending defense dunes dutch elements europe green hills holland inflorescence leaf leaves lines marram monocots netherlands new ocean oceanside patterns perennial petten plantae planted poaceae poales pollen protect protection rows sand sandy sea seashore seaside security shift shifting shoots shore shoreline stabilized straw strong structures sturdy sun textures tough vegetation wind yellow