apera spica-venti, convolvulus arvensis, agrostemma githago, cerastium glomeratum, equisetum arvense, erigeron canadensis, poa annua, vicia hirsuta, viola arvensis, myosotis arvensis, valerianella locusta, veronica arvensis, persicaria maculosa, ranunculus repens, trifolium repens, veronica agrestis