solanum tuberosum, equisetum arvense, setaria pumila, raphanus raphanistrum, viola arvensis, achillea millefolium, agrostis stolonifera, apera spica-venti, cirsium arvense, erodium cicutarium, juncus bufonius, persicaria hydropiper, persicaria maculosa, poa annua, spergula arvensis, stachys palustris, aphanes arvensis