bidens frondosa flowering plant in sunny morning. tickseed sunflower used in medicinal treatment

marigold beggarticks devil bootjack pitchfork weed tickseed sunflower bidens frondosa nature yellow flower field background plant colors beautiful garden spring summer green color beauty floral blossom isolated petal leaf bright natural macro bloom tulips closeup season botany meadow stem golden sunny daisy abstract grass sunlight blooming rural sunset magic meditation autumn devils Treatment Medicine