be, arr. leuven, galanthus nivalis, potentilla indica, arum italicum, geranium phaeum, geranium pyrenaicum, symphytum officinale, heracleum sphondylium, castanea sativa, lathyrus latifolius, pilosella aurantiaca, cirsium oleraceum, quercus rubra, symphoricarpos albus, juglans regia, lythrum salicaria, lathraea clandestina, veronica persica, filipendula ulmaria, phytolacca acinosa, cardamine pratensis, alnus glutinosa, bidens frondosa, pentaglottis sempervirens, galinsoga quadriradiata, glechoma hederacea, geranium macrorrhizum, angelica sylvestris, urtica dioica, ranunculus repens, euphorbia lathyris, heracleum mantegazzianum, iris pseudacorus, pulmonaria officinalis, impatiens glandulifera, rhododendron ponticum, lunaria annua, silene coronaria, eupatorium cannabinum, primula elatior, arum maculatum, veronica filiformis, humulus lupulus, allium ursinum, lamium galeobdolon, viburnum opulus, robinia pseudoacacia, equisetum telmateia, oxalis corniculata, mespilus germanica, fraxinus excelsior