poa annua, elymus repens, senecio vulgaris, capsella bursa-pastoris, chenopodium album, chenopodium ficifolium, convolvulus arvensis, galinsoga parviflora, lolium perenne, persicaria maculosa, solanum nigrum, agrostis stolonifera, echinochloa crus-galli, euphorbia helioscopia, plantago major, ranunculus repens, sisymbrium officinale, sonchus oleraceus, stellaria media