text: sonchus arvensis, stellaria media, anthemis arvensis, apera spica-venti, centaurea cyanus, convolvulus arvensis, euphorbia exigua, galium aparine, lysimachia arvensis, matricaria chamomilla, persicaria lapathifolia, poa annua, poa trivialis, ranunculus repens, sherardia arvensis, veronica agrestis, viola arvensis