echinochloa crus-galli, solanum nigrum, poa annua, capsella bursa-pastoris, chenopodium album, digitaria sanguinalis, equisetum arvense, erodium cicutarium, euphorbia helioscopia, setaria viridis, spergula arvensis, erigeron canadensis, fallopia convolvulus, lycopsis arvensis, matricaria chamomilla, mercurialis annua, persicaria lapathifolia, persicaria maculosa, polygonum aviculare, rumex acetosella, senecio vulgaris, sonchus asper, sonchus oleraceus, stellaria media