elymus repens, ranunculus repens, trifolium repens, galeopsis tetrahit, galinsoga quadriradiata, persicaria lapathifolia, urtica dioica, rorippa palustris, capsella bursa-pastoris, cerastium glomeratum, chenopodium album, crepis capillaris, poa annua, polygonum aviculare, sonchus asper, veronica arvensis, cirsium arvense, lolium perenne, plantago lanceolata, plantago major, stellaria media, erigeron canadensis