hordeum murinum, lolium rigidum, centaurea calcitrapa, geranium pusillum, achillea millefolium, anthemis arvensis, bromus hordeaceus, bromus sterilis, capsella bursa-pastoris, convolvulus arvensis, dactylis glomerata, echium vulgare, erodium cicutarium, eryngium campestre, malva neglecta, mantisalca salmantica, marrubium supinum, plantago lanceolata, stellaria media, trifolium pratense, urtica dioica, verbena officinalis