elymus repens, veronica agrestis, convolvulus arvensis, fumaria officinalis, galinsoga quadriradiata, capsella bursa-pastoris, poa annua, urtica urens, chenopodiastrum hybridum, chenopodium album, erigeron canadensis, euphorbia helioscopia, euphorbia peplus, lamium purpureum, lepidium didymum, oxalis stricta, papaver somniferum, senecio vulgaris, sonchus asper, sonchus oleraceus, stellaria media