artemisia vulgaris, elymus repens, poa compressa, bromus tectorum, ballota nigra, agrostis stolonifera, arctium tomentosum, berteroa incana, carduus acanthoides, carduus crispus, convolvulus arvensis, crepis tectorum, erigeron canadensis, helianthus tuberosus, lactuca serriola, leonurus cardiaca, medicago lupulina, onopordum acanthium, plantago major, silene latifolia, sisymbrium altissimum, sisymbrium loeselii, sonchus arvensis, sonchus asper, verbascum densiflorum, vicia villosa