galinsoga parviflora, equisetum arvense, ambrosia artemisiifolia, chenopodium album, convolvulus arvensis, persicaria maculosa, achillea millefolium, capsella bursa-pastoris, cirsium arvense, digitaria sanguinalis, erigeron canadensis, persicaria lapathifolia, setaria pumila, setaria viridis, sonchus oleraceus