be, arr. tongeren, oxalis corniculata, erigeron sumatrensis, galinsoga quadriradiata, silene coronaria, lepidium didymum, cymbalaria muralis, potentilla indica, pilosella aurantiaca, lathyrus latifolius, geranium pyrenaicum, echinochloa crus-galli, claytonia perfoliata, erigeron canadensis, veronica persica, phytolacca acinosa, viola wittrockiana, geranium macrorrhizum, lepidium virginicum, melilotus albus, papaver somniferum, malva sylvestris, digitaria sanguinalis, matricaria discoidea, vicia villosa, castanea sativa, setaria helvola, pseudofumaria lutea, geranium purpureum, erigeron karvinskianus, verbena bonariensis, euphorbia maculata, medicago sativa, campanula portenschlagiana, trifolium incarnatum, arum italicum, centaurea cyanus, senecio inaequidens, pentaglottis sempervirens, euphorbia lathyris, oenothera glazioviana, lobularia maritima, eschscholzia californica, oxalis stricta, muscari armeniacum, linum usitatissimum, lolium multiflorum, nicandra physalodes, silybum marianum, cyperus eragrostis, galinsoga parviflora