be, arr. antwerpen, oenothera deflexa, prunus serotina, erigeron canadensis, senecio inaequidens, robinia pseudoacacia, claytonia perfoliata, populus nigra, quercus robur, oenothera biennis, mahonia aquifolium, quercus rubra, sambucus nigra, urtica dioica, berteroa incana, geranium purpureum, erigeron sumatrensis, calamagrostis epigejos, betula pendula, melilotus albus, acer pseudoplatanus, juncus tenuis, populus alba, amelanchier lamarckii, pinus sylvestris, tragopogon dubius, potentilla recta, solidago gigantea, saponaria officinalis, populus canadensis, sorbus aucuparia, lepidium didymum, rubus caesius, jacobaea vulgaris, epilobium ciliatum, sisymbrium altissimum, crataegus monogyna, galium aparine, pinus nigra, rosa rugosa, arrhenatherum elatius, impatiens parviflora, cynoglossum officinale, symphoricarpos albus, glechoma hederacea, cirsium arvense, carex arenaria, bidens frondosa, agrostis capillaris, oenothera glazioviana, populus balsamifera