capsella bursa-pastoris, sisymbrium officinale, matricaria discoidea, poa annua, plantago major, elymus repens, erysimum cheiranthoides, medicago lupulina, persicaria maculosa, stellaria media, veronica persica, dactylis glomerata, euphorbia peplus, plantago lanceolata, ranunculus repens, rumex obtusifolius, sonchus asper, tripleurospermum inodorum