urtica dioica, populus canadensis, alnus glutinosa, brachythecium rutabulum, galium aparine, holcus lanatus, poa trivialis, agrostis stolonifera, rhytidiadelphus squarrosus, cardamine pratensis, cirsium arvense, epilobium hirsutum, galeopsis tetrahit, glechoma hederacea, glyceria maxima, rumex obtusifolius, sambucus nigra