convolvulus arvensis, cirsium arvense, anthemis arvensis, apera spica-venti, campanula rapunculoides, centaurea cyanus, galium aparine, scleranthus annuus, arenaria serpyllifolia, equisetum arvense, galeopsis tetrahit, lysimachia vulgaris, thlaspi arvense, vicia hirsuta, vicia sativa, viola arvensis