medicago lupulina, plantago arenaria, arenaria serpyllifolia, bromus hordeaceus, bromus tectorum, erigeron canadensis, plantago lanceolata, agrostis capillaris, agrostis stolonifera, artemisia absinthium, artemisia vulgaris, astragalus glycyphyllos, ballota nigra, carex hirta, descurainia sophia, echium vulgare, galinsoga parviflora, geranium pusillum, herniaria glabra, hordeum murinum, lactuca serriola, lepidium ruderale, lolium perenne, malva neglecta, matricaria discoidea, papaver dubium, poa annua, polygonum aviculare, potentilla argentea, potentilla reptans, rumex crispus, senecio viscosus, setaria viridis, silene latifolia, solanum nigrum, verbascum phlomoides, viola arvensis