be, arr. nivelles, hordeum vulgare, triticum aestivum, vicia faba, brassica napus, avena sativa, phacelia tanacetifolia, sinapis alba, zea mays, trifolium incarnatum, fagopyrum esculentum, beta vulgaris, heracleum sphondylium, panicum miliaceum, galium aparine, matricaria chamomilla, cirsium arvense, urtica dioica, sorghum bicolor, ranunculus repens, convolvulus arvensis, geranium dissectum, raphanus raphanistrum, poa trivialis, veronica persica, symphytum officinale, polygonum aviculare, mercurialis annua, lathyrus oleraceus, fraxinus excelsior, glechoma hederacea, lathyrus tuberosus, holcus lanatus, chenopodium album, sonchus asper, dactylis glomerata, papaver rhoeas, euphorbia helioscopia, brassica oleracea, lolium perenne, arrhenatherum elatius, plantago major, rumex crispus, linum usitatissimum, gnaphalium uliginosum, capsella bursa-pastoris, medicago sativa, viola arvensis, silybum marianum, centaurea cyanus, corylus avellana