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