urtica dioica, populus canadensis, fraxinus excelsior, corylus avellana, impatiens glandulifera, alnus glutinosa, quercus robur, alliaria petiolata, brachythecium rutabulum, geranium robertianum, kindbergia praelonga, poa trivialis, rubus caesius, circaea lutetiana, galium aparine, symphytum officinale, crataegus monogyna, glechoma hederacea, cardamine pratensis, carduus crispus