weeds including clover broadleaf weeds dandelions and creeping charlie

agriculture background bloom blooming blossom broad broadleaf calendula charlie chemical close clover covered crabgrass creeping dandelion dandelions environment field flavonoids floral flower focus free garden grass growth herb image landscape lawn leaf meadow natural nature organism other outdoor outdoors plant purple scene season selective shaded spring springtime such summer sunflower sunny tannins tar uncontrolled uncultivated vascular violet weeds wildflower yellow