echinops sphaerocephalus, arrhenatherum elatius, cirsium arvense, convolvulus arvensis, elymus repens, lactuca serriola, lotus corniculatus, tanacetum vulgare, calamagrostis epigejos, dactylis glomerata, daucus carota, falcaria vulgaris, lathyrus tuberosus, poa angustifolia, tripleurospermum inodorum, arctium tomentosum