text: setaria pumila, erysimum cheiranthoides, spergula arvensis, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, digitaria ischaemum, equisetum arvense, erigeron canadensis, erodium cicutarium, fallopia convolvulus, galeopsis tetrahit, poa annua, scorzoneroides autumnalis, setaria viridis, tripleurospermum inodorum, vicia hirsuta, trifolium repens