sonchus oleraceus, capsella bursa-pastoris, rorippa sylvestris, urtica urens, oxybasis glauca, senecio vulgaris, stellaria media, chenopodium ficifolium, elymus repens, oxybasis rubra, persicaria amphibia, poa annua, polygonum aviculare, sonchus asper, epilobium hirsutum, galinsoga quadriradiata