hordeum vulgare, alopecurus myosuroides, galium aparine, sinapis arvensis, chaenorhinum minus, cirsium arvense, convolvulus arvensis, euphorbia exigua, fallopia convolvulus, kickxia spuria, lathyrus tuberosus, lysimachia arvensis, plantago major, viola arvensis, aethusa cynapium, equisetum arvense, galeopsis tetrahit, kickxia elatine, matricaria chamomilla, myosotis arvensis, papaver rhoeas, persicaria amphibia, poa trivialis, polygonum aviculare, scandix pecten-veneris, sonchus arvensis, stachys palustris, stellaria media