centaurea cyanus, convolvulus arvensis, polygonum aviculare, scleranthus annuus, aphanes arvensis, bromus hordeaceus, lolium rigidum, neslia paniculata, ranunculus arvensis, raphanus raphanistrum, roemeria argemone, silene vulgaris, spergula pentandra, taeniatherum caput-medusae, veronica hederifolia, veronica triphyllos, vicia lutea, vicia sativa, agrostemma githago, anacyclus clavatus, buglossoides arvensis, chondrilla juncea, linaria spartea, reseda alba, sherardia arvensis, trifolium angustifolium