salvia verticillata, cynodon dactylon, cirsium arvense, convolvulus arvensis, sonchus arvensis, calamagrostis epigejos, daucus carota, erigeron canadensis, linaria vulgaris, tragopogon pratensis, achillea millefolium, erodium cicutarium, geranium dissectum, mentha longifolia, potentilla reptans, sisymbrium officinale, sonchus oleraceus, sorghum halepense, stellaria media