solanum tuberosum, stellaria palustris, digitaria ischaemum, elymus repens, equisetum arvense, polygonum aviculare, setaria viridis, achillea millefolium, agrostis stolonifera, apera spica-venti, artemisia campestris, centaurea cyanus, ceratodon purpureus, chenopodium album, convolvulus arvensis, erodium cicutarium, herniaria glabra, lysimachia arvensis, pilosella officinarum, plantago uliginosa, silene latifolia, spergula arvensis, trifolium arvense, vicia tetrasperma