digitaria ischaemum, herniaria glabra, herniaria hirsuta, polycnemum arvense, polygonum aviculare, psammophiliella muralis, anthemis arvensis, centaurea cyanus, cerastium holosteoides, cirsium arvense, elymus repens, erigeron canadensis, fallopia convolvulus, persicaria maculosa, rumex acetosella, setaria pumila, trifolium arvense