billygoat weed (ageratum conyzoides) and a black bug an golden tickseed (coreopsis tinctoria) in meadow

flower plant wildflower nature meadow insect yellow invertebrate prairie herb animal grass petal blossom white closeup medicinal mentrasto goatweed chick weed billygoat ageratum conyzoides bug asteraceae black bloom blooming bright brown calliopsis colorful coreopsis tinctoria detail field flora floral garden tickseed gold golden green leaf maroon multicolored ornamental outdoors plains purple red spring summer vivid wildflowers billygoat-weed whiteweed native tropical america brazil insecticide nematicide cultivated gardens wildlife natural landscaping drought-tolerant naturally growing plants meadow: