hordeum murinum, bromus tectorum, capsella bursa-pastoris, matricaria chamomilla, rostraria cristata, sisymbrium orientale, bombycilaena erecta, centaurea solstitialis, chondrilla juncea, erigeron canadensis, erodium ciconium, erodium cicutarium, euphorbia helioscopia, holosteum umbellatum, marrubium peregrinum, rumex pulcher