be, arr. leuven, urtica dioica, populus canadensis, quercus robur, glechoma hederacea, galium aparine, sambucus nigra, fraxinus excelsior, symphytum officinale, poa trivialis, phragmites australis, crataegus monogyna, cirsium arvense, alnus glutinosa, ranunculus repens, galeopsis tetrahit, acer pseudoplatanus, angelica sylvestris, heracleum sphondylium, rubus caesius, holcus lanatus, calystegia sepium, filipendula ulmaria, eupatorium cannabinum, geum urbanum, phalaris arundinacea, arrhenatherum elatius, solanum dulcamara, lycopus europaeus, ribes rubrum, corylus avellana, juncus effusus, humulus lupulus, cirsium palustre, iris pseudacorus, dactylis glomerata, agrostis stolonifera, prunus serotina, anthriscus sylvestris, betula pendula, silene dioica, lysimachia vulgaris, moehringia trinervia, sorbus aucuparia, ficaria verna, circaea lutetiana, viburnum opulus, rumex obtusifolius, deschampsia cespitosa, agrostis capillaris, cardamine pratensis