hordeum murinum, alyssum turkestanicum, amaranthus retroflexus, anthemis ruthenica, apera spica-venti, ballota nigra, bassia laniflora, berteroa incana, bromus hordeaceus, bromus squarrosus, bromus tectorum, capsella bursa-pastoris, chenopodium album, descurainia sophia, erigeron canadensis, geranium pusillum, lolium perenne, malva sylvestris, medicago falcata, medicago lupulina, medicago minima, plantago lanceolata, poa annua, polygonum aviculare, rumex crispus, silene latifolia, sisymbrium loeselii, trifolium echinatum