be, arr. halle-vilvoorde, lolium perenne, ranunculus repens, plantago lanceolata, holcus lanatus, achillea millefolium, rumex acetosa, heracleum sphondylium, ranunculus acris, trifolium repens, agrostis capillaris, arrhenatherum elatius, poa trivialis, trifolium incarnatum, anthoxanthum odoratum, veronica persica, vicia hirsuta, dactylis glomerata, bromus hordeaceus, cerastium glomeratum, veronica arvensis, cirsium arvense, festuca rubra, echinochloa crus-galli, trifolium pratense, hypochaeris radicata, trifolium dubium, alopecurus pratensis, vicia sativa, rumex acetosella, rumex angiocarpus, centaurea cyanus, cerastium holosteoides, plantago major, stellaria media, polygonum aviculare, stellaria graminea, elymus repens, bellis perennis, matricaria chamomilla, cerastium fontanum, phacelia tanacetifolia, equisetum arvense, poa annua, hordeum vulgare, raphanus raphanistrum, centaurea jacea, lolium multiflorum, matricaria discoidea, capsella bursa-pastoris, geranium pyrenaicum