centaurea cyanus, alyssum alyssoides, arenaria serpyllifolia, delphinium consolida, fallopia convolvulus, scleranthus annuus, vicia sativa, convolvulus arvensis, crepis tectorum, papaver dubium, roemeria argemone, viola arvensis, agrostemma githago, anthemis arvensis, apera spica-venti, buglossoides arvensis, campanula rapunculoides, cerastium holosteoides, cota tinctoria, equisetum arvense, fumaria officinalis, galium aparine, medicago lupulina, myosotis arvensis, senecio vernalis, silene vulgaris, veronica arvensis, vicia hirsuta