convolvulus arvensis, amaranthus retroflexus, erodium cicutarium, cirsium arvense, echinochloa crus-galli, erigeron canadensis, fumaria officinalis, galium album, koenigia alpina, lactuca tatarica, persicaria lapathifolia, ranunculus polyanthemos, sonchus arvensis, tripleurospermum inodorum, vicia cracca