be, arr. sint-niklaas, crassula helmsii, erigeron canadensis, cotula coronopifolia, lepidium didymum, solanum triflorum, carduus acanthoides, oenothera ersteinensis, geranium purpureum, senecio inaequidens, melilotus albus, vulpia ciliata, hirschfeldia incana, erigeron sumatrensis, medicago sativa, lolium multiflorum, matricaria discoidea, oenothera deflexa, populus balsamifera, tragopogon dubius, plantago arenaria, sisymbrium altissimum, corispermum pallasii, echinochloa crus-galli, oenothera glazioviana, vicia villosa, reynoutria japonica, bellardia viscosa, claytonia perfoliata, rapistrum rugosum, dysphania ambrosioides, melilotus officinalis, digitaria sanguinalis, lepidium draba, berteroa incana, lepidium virginicum, artemisia biennis, veronica persica, lathyrus latifolius, foeniculum vulgare, eragrostis minor, cynodon dactylon, linum usitatissimum, limonium vulgare, sisymbrium orientale, setaria viridis, tripolium pannonicum, prunus serotina, polypogon monspeliensis, cyperus eragrostis, atriplex prostrata