argentina anserina, agrostis capillaris, solidago canadensis, trifolium repens, agrostis stolonifera, poa angustifolia, rumex crispus, cirsium arvense, elymus repens, equisetum arvense, medicago lupulina, poa palustris, ranunculus repens, tripleurospermum inodorum, tussilago farfara, vicia cracca, artemisia vulgaris, cirsium vulgare