chenopodium album, buglossoides arvensis, capsella bursa-pastoris, centaurea cyanus, chaenorhinum minus, galium tricornutum, lamium amplexicaule, lolium rigidum, senecio vulgaris, alyssum alyssoides, asperula arvensis, bromus sterilis, crepis foetida, erodium cicutarium, galeopsis angustifolia, lactuca serriola, papaver dubium, papaver rhoeas, ptychotis saxifraga, viola arvensis