text: ranunculus arvensis, agrostemma githago, centaurea cyanus, galinsoga parviflora, lolium temulentum, brassica nigra, cirsium arvense, galium tricornutum, papaver rhoeas, polygonum aviculare, raphanus raphanistrum, spergula pentandra, veronica triphyllos, anthemis arvensis, convolvulus arvensis, medicago sativa, papaver dubium, rumex crispus, vicia sativa