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