agrostis stolonifera, alliaria petiolata, artemisia vulgaris, barbarea vulgaris, bidens frondosa, capsella bursa-pastoris, cerastium holosteoides, chaenorhinum minus, epilobium montanum, erigeron canadensis, galinsoga quadriradiata, poa annua, scrophularia nodosa, stellaria aquatica, urtica dioica, viola arvensis