be, arr. dendermonde, urtica dioica, sambucus nigra, fraxinus excelsior, populus canadensis, galium aparine, glechoma hederacea, quercus robur, crataegus monogyna, symphytum officinale, acer pseudoplatanus, heracleum sphondylium, alnus glutinosa, poa trivialis, ribes rubrum, humulus lupulus, rubus caesius, phragmites australis, corylus avellana, filipendula ulmaria, angelica sylvestris, ficaria verna, calystegia sepium, galeopsis tetrahit, hedera helix, geum urbanum, viburnum opulus, solanum dulcamara, silene dioica, alnus incana, phalaris arundinacea, anthriscus sylvestris, circaea lutetiana, prunus padus, iris pseudacorus, ranunculus repens, cornus sanguinea, ulmus minor, eupatorium cannabinum, rumex sanguineus, aegopodium podagraria, stachys sylvatica, cirsium arvense, lycopus europaeus, prunus serotina, prunus avium, lythrum salicaria, geranium robertianum, sorbus aucuparia, arum maculatum, galanthus nivalis