argentina anserina, brachythecium rutabulum, polygonum aviculare, trifolium repens, achillea millefolium, aegopodium podagraria, bryum argenteum, cerastium holosteoides, glechoma hederacea, lolium perenne, plantago major, poa annua, ranunculus repens, artemisia vulgaris, erigeron canadensis, sisymbrium officinale