be, arr. antwerpen, sambucus nigra, urtica dioica, prunus serotina, acer pseudoplatanus, galium aparine, quercus robur, crataegus monogyna, glechoma hederacea, cirsium arvense, rubus caesius, populus canadensis, populus canescens, fraxinus excelsior, senecio inaequidens, jacobaea vulgaris, holcus lanatus, erigeron canadensis, rosa canina, calamagrostis epigejos, poa trivialis, robinia pseudoacacia, betula pendula, populus balsamifera, eupatorium cannabinum, ligustrum vulgare, bryonia dioica, solanum dulcamara, populus nigra, populus alba, lonicera periclymenum, hippophae rhamnoides, cirsium vulgare, silene dioica, arrhenatherum elatius, cynoglossum officinale, heracleum sphondylium, phragmites australis, stellaria media, geranium robertianum, hedera helix, geum urbanum, salix caprea, claytonia perfoliata, quercus rubra, ulmus minor, ribes rubrum, sorbus aucuparia, agrostis stolonifera, agrostis capillaris, moehringia trinervia