hordeum murinum, lolium perenne, anacyclus clavatus, avena barbata, capsella rubella, parapholis cylindrica, paspalum distichum, polycarpon tetraphyllum, rumex pulcher, amaranthus deflexus, anthoxanthum odoratum, brassica nigra, bromus hordeaceus, bromus madritensis, bromus rigidus, convolvulus arvensis, crepis capillaris, cynosurus echinatus, daucus carota, erigeron sumatrensis, hirschfeldia incana, lepidium virginicum, malva sylvestris, melilotus sulcatus, mercurialis annua, plantago coronopus, plantago lanceolata, plantago major, polygonum aviculare, polypogon viridis, rostraria cristata, sisymbrium officinale, sonchus oleraceus, sporobolus indicus, trifolium repens