centaurea cyanus, lithospermum officinale, papaver rhoeas, valerianella locusta, alopecurus myosuroides, anthemis arvensis, aphanes arvensis, avena fatua, capsella bursa-pastoris, fumaria officinalis, legousia speculum-veneris, ranunculus arvensis, roemeria apula, veronica persica, amaranthus retroflexus, bifora radians, chenopodium album, cirsium arvense, convolvulus arvensis, delphinium consolida, fallopia convolvulus, fumaria vaillantii, geranium dissectum, geranium molle, lactuca serriola, matricaria chamomilla, mercurialis annua, myosotis arvensis, oxalis stricta, poa trivialis, polygonum aviculare, sinapis arvensis, sorghum halepense, stellaria media, veronica arvensis, vicia sativa, viola tricolor