be, arr. antwerpen, potentilla indica, oxalis corniculata, phytolacca acinosa, silene coronaria, claytonia perfoliata, pilosella aurantiaca, castanea sativa, viola wittrockiana, rhododendron ponticum, quercus rubra, galinsoga quadriradiata, lepidium didymum, prunus serotina, amelanchier lamarckii, erigeron sumatrensis, echinochloa crus-galli, geranium macrorrhizum, juncus tenuis, cymbalaria muralis, sorbus aucuparia, quercus robur, erigeron canadensis, oxalis stricta, geum macrophyllum, pinus sylvestris, digitaria sanguinalis, lathyrus latifolius, tanacetum parthenium, nicandra physalodes, claytonia sibirica, oenothera glazioviana, fagus sylvatica, calluna vulgaris, matricaria discoidea, sorbaria sorbifolia, betula pendula, pseudofumaria lutea, fagopyrum esculentum, molinia caerulea, ilex aquifolium, pentaglottis sempervirens, lamium galeobdolon, hedera helix, rubus phoenicolasius, lunaria annua, phacelia tanacetifolia, muscari armeniacum, robinia pseudoacacia, geranium phaeum, arum italicum