hordeum murinum, sisymbrium officinale, bromus sterilis, convolvulus arvensis, erodium cicutarium, achillea millefolium, aegilops ventricosa, anthemis arvensis, capsella bursa-pastoris, chenopodium album, dactylis glomerata, delphinium hispanicum, echium vulgare, eryngium campestre, geranium pusillum, malva neglecta, mantisalca salmantica, marrubium supinum, papaver rhoeas, plantago lanceolata, rapistrum rugosum, sonchus asper