hedera helix, populus canadensis, alnus glutinosa, arum maculatum, ficaria verna, glechoma hederacea, viola riviniana, alliaria petiolata, filipendula ulmaria, humulus lupulus, impatiens noli-tangere, polygonatum multiflorum, cornus sanguinea, corylus avellana, crataegus monogyna, deschampsia cespitosa, euonymus europaeus, galeopsis bifida, galeopsis tetrahit, galium aparine, geum urbanum, moehringia trinervia, phalaris arundinacea, populus tremula, prunus avium, quercus robur, rhamnus cathartica, ribes rubrum, ribes uva-crispa, stachys sylvatica, urtica dioica, viburnum opulus, viola reichenbachiana, sambucus nigra