be, arr. antwerpen, quercus robur, prunus serotina, quercus rubra, castanea sativa, betula pendula, sorbus aucuparia, agrostis capillaris, frangula alnus, pinus sylvestris, amelanchier lamarckii, holcus lanatus, molinia caerulea, silene coronaria, calluna vulgaris, lonicera periclymenum, pilosella aurantiaca, juncus effusus, robinia pseudoacacia, claytonia perfoliata, galinsoga quadriradiata, rumex angiocarpus, juncus tenuis, rumex acetosella, teucrium scorodonia, avenella flexuosa, deschampsia flexuosa, holcus mollis, potentilla indica, ranunculus repens, cytisus scoparius, carex pilulifera, betula pubescens, hypericum perforatum, erigeron canadensis, sambucus nigra, dryopteris dilatata, acer pseudoplatanus, lathyrus latifolius, rhododendron ponticum, urtica dioica, hypochaeris radicata, corylus avellana, phytolacca acinosa, fagus sylvatica, rumex acetosa, dryopteris carthusiana, cerastium fontanum, pteridium aquilinum, anthoxanthum odoratum, achillea millefolium