de, göttingen, hordeum vulgare, triticum aestivum, trifolium incarnatum, onopordum acanthium, armoracia rusticana, silphium perfoliatum, avena sativa, sinapis alba, fagopyrum esculentum, lactuca serriola, brassica napus, brassica oleracea, beta vulgaris, arctium tomentosum, papaver rhoeas, cota tinctoria, chenopodium album, reseda luteola, sisymbrium officinale, convolvulus arvensis, zea mays, tanacetum vulgare, phacelia tanacetifolia, lepidium draba, raphanus raphanistrum, lathyrus tuberosus, capsella bursa-pastoris, reseda lutea, artemisia vulgaris, centaurea cyanus, viola arvensis, medicago sativa, viburnum rhytidophyllum, datura stramonium, cichorium intybus, spiraea japonica, cosmos bipinnatus, agrostemma githago, dipsacus fullonum, nicandra physalodes, thlaspi arvense, ligustrum vulgare, matricaria chamomilla, plantago major, senecio vulgaris, polygonum aviculare, cirsium arvense, panicum miliaceum, silybum marianum, sonchus asper