quercus robur, alnus glutinosa, amelanchier lamarckii, crataegus monogyna, frangula alnus, glechoma hederacea, prunus avium, prunus serotina, sambucus nigra, ficaria verna, moehringia trinervia, alopecurus pratensis, arrhenatherum elatius, galeopsis tetrahit, heracleum sphondylium, holcus lanatus, humulus lupulus, hypericum perforatum, lonicera periclymenum, ribes rubrum, viburnum opulus