calamagrostis canescens, populus canadensis, phalaris arundinacea, alnus glutinosa, ficaria verna, galium aparine, aegopodium podagraria, cardamine hirsuta, filipendula ulmaria, rubus caesius, urtica dioica, alopecurus pratensis, athyrium filix-femina, dryopteris filix-mas, galeopsis tetrahit, silene dioica, symphytum officinale, quercus robur