text: secale cereale, setaria pumila, apera spica-venti, digitaria ischaemum, erigeron canadensis, polycnemum arvense, polygonum aviculare, psammophiliella muralis, allium vineale, artemisia campestris, bromus secalinus, centaurea cyanus, convolvulus arvensis, elymus repens, fallopia convolvulus, galeopsis ladanum, herniaria hirsuta, logfia minima, plantago uliginosa, rumex acetosella, scleranthus annuus, spergula arvensis, spergularia rubra, trifolium arvense, trifolium campestre, vicia grandiflora, vicia tetrasperma