argentina anserina, plantago major, poa annua, trifolium repens, matricaria discoidea, achillea millefolium, arenaria serpyllifolia, artemisia vulgaris, bromus hordeaceus, bryum argenteum, capsella bursa-pastoris, cerastium holosteoides, lolium perenne, poa pratensis, polygonum aviculare, scorzoneroides autumnalis, viola arvensis