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