digitaria ischaemum, zea mays, agrostis capillaris, capsella bursa-pastoris, echinochloa crus-galli, elymus repens, equisetum arvense, erigeron canadensis, galinsoga parviflora, galinsoga quadriradiata, persicaria lapathifolia, polygonum aviculare, raphanus raphanistrum, setaria pumila, stellaria media, chenopodium album