zea mays, galinsoga quadriradiata, achillea millefolium, argentina anserina, elymus repens, sonchus asper, stachys palustris, stellaria media, aegopodium podagraria, cirsium arvense, equisetum arvense, lapsana communis, ranunculus repens, rumex obtusifolius, sinapis arvensis, vicia cracca, cerastium glomeratum, glechoma hederacea, mentha arvensis, persicaria mitis, plantago major, sonchus arvensis, vicia hirsuta