biennial cow parsnip England english flowers grasses Great Britain Heracleum sphondylium hogweed plant rural stems summer Umbelliferae umbels white wild wiltshire cloud dutch farm farming flat flatland fresh grassy green grass holland land landscape Netherlands spring sun sunny blue bluebells bulbs Dorset fields green hillside meadows natural nature trees view chestnut exercise footpath path Sussex track trail trunks village american baker boulder conifers flow forest mount mountain rock run rush stream usa water agriculture architecture bags building full hay home house Lofoten Islands meadow norway norwegian plastic sacks abundant Apulia color colour diversity flora Gargano Italy old olive orchard profusion Puglia stone tree Anthyllis Armeria cliff coastline Cornish cornwall headland kidney vetch pink sea thrift yellow bothy chalk hut orchids rocks stony terraced walls british countryside field lane somerset wild flowers banks canal Lythraceae Lythrum salicaria peaceful plants Purple loosestrife river tranquil vegetation waterway