text: euphorbia peplus, capsella bursa-pastoris, echinochloa crus-galli, elymus repens, erigeron annuus, erigeron canadensis, euphorbia helioscopia, fallopia convolvulus, lepidium draba, malva neglecta, matricaria chamomilla, persicaria lapathifolia, plantago major, poa annua, senecio vernalis, sonchus arvensis, sonchus oleraceus, stellaria media, tripleurospermum inodorum, viola arvensis