papaver rhoeas, aethusa cynapium, agrostis stolonifera, arenaria serpyllifolia, cirsium arvense, convolvulus arvensis, euphorbia exigua, papaver dubium, sonchus arvensis, trifolium pratense, centaurea cyanus, centaurea scabiosa, chenopodium album, fallopia convolvulus, galium aparine, knautia arvensis, lysimachia arvensis, melampyrum pratense, plantago uliginosa, poa annua, sinapis arvensis, sonchus asper, stellaria media