sagina procumbens, veronica serpyllifolia, poa annua, rorippa sylvestris, spergularia rubra, tripleurospermum inodorum, urtica dioica, acer negundo, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, cirsium arvense, erigeron canadensis, juncus bufonius, persicaria amphibia, plantago major, polygonum aviculare, potentilla reptans, solidago canadensis, stellaria media