black brightly-coloured carpeting-plants clump-forming clumps colors colours common daisy-like drought-tolerant environmental-weed flower flowers garden flowers garden-escape gazania gazanias golden hardy introduced-species invasive lance-shaped leaves low-growing orange perennial plants prolific rapid-spreader resilient roadside-weeds South-African streaked tough vivid water-wise weed widespread wind-blown seeds yellow agriculture blue sky clouds germany green landscape mountains rhine river scene ship summer vines vineyards wine winemaking anchorages anchors boat cactus chair desert garden goiter goiters goitre oar paddle rowing rudder sand brightly coloured carpeting plants environmental weed garden escape introduced species rapid spreader roadside weeds South African breakwater entering fjord harbour HDR horizon lamp Nyberg ocean plant sea sky stone stones pier sun sunset water England english field grass grasses Great Britain leaf lush meadow natural nature stalk wild euphorbia Greece Greek mountain old olive spring spurge stone trees wall dappled drops fresh leaves light raindrops reflections rosa rose shade