dysphania botrys, chaenorhinum minus, poa annua, amaranthus albus, amaranthus blitoides, amaranthus retroflexus, asperugo procumbens, capsella bursa-pastoris, chenopodium album, descurainia sophia, digitaria sanguinalis, erigeron canadensis, erodium cicutarium, herniaria glabra, lactuca serriola, lepidium draba, linaria vulgaris, medicago lupulina, reseda lutea, sisymbrium loeselii, sisymbrium officinale, stellaria media