close-up view of burdock plants with spiky flower heads thriving in a sunlit grassy field during late summer

burdock plants flower heads spiky green field nature summer outdoor growth vegetation botanical natural wild flora landscape environment sunlit close farming weeds wildflowers season rural beauty freshness earth parks shrubs leaves texture diversity ecosystem agriculture pollinators cycle sunlight soil herbaceous garden foraging crop space study habitat close-up view thriving grassy during late their distinctive are growing vigorously vibrant area under warm