vicia hirsuta, apera spica-venti, convolvulus arvensis, galium aparine, poa annua, viola arvensis, elymus repens, equisetum arvense, erigeron canadensis, veronica arvensis, vicia sativa, arenaria serpyllifolia, papaver dubium, polypogon viridis, sonchus asper, sonchus oleraceus, trifolium repens