text: ambrosia artemisiifolia, amaranthus retroflexus, cyclachaena xanthiifolia, setaria viridis, sisymbrium loeselii, artemisia santonicum, carduus acanthoides, centaurea diffusa, convolvulus arvensis, delphinium consolida, descurainia sophia, jacobaea vulgaris, lepidium perfoliatum, lepidium ruderale, poa angustifolia