text: ambrosia artemisiifolia, digitaria ischaemum, tripleurospermum inodorum, artemisia vulgaris, chenopodium album, echinochloa crus-galli, erigeron canadensis, festuca rubra, plantago major, poa annua, setaria viridis, sonchus oleraceus, fagopyrum esculentum, sisymbrium loeselii