apera spica-venti, buglossoides arvensis, convolvulus arvensis, elymus repens, papaver rhoeas, cerastium holosteoides, cirsium arvense, equisetum arvense, galium aparine, lolium perenne, poa angustifolia, stellaria media, tripleurospermum inodorum, anthemis arvensis, bromus secalinus, campanula rapunculoides, centaurea cyanus, galeopsis tetrahit, lysimachia arvensis, myosotis arvensis, oxalis stricta, polygonum aviculare, viola arvensis