impatiens glandulifera, galium aparine, solidago canadensis, impatiens parviflora, persicaria hydropiper, phalaris arundinacea, urtica dioica, poa palustris, ranunculus repens, chelidonium majus, cirsium arvense, poa annua, poa trivialis, stellaria media, aegopodium podagraria, alliaria petiolata, bidens frondosa