eryngium campestre, medicago orbicularis, euphorbia helioscopia, poa bulbosa, anthemis auriculata, arenaria serpyllifolia, cynodon dactylon, petrorhagia dubia, capsella bursa-pastoris, carduus pycnocephalus, erodium cicutarium, sherardia arvensis, silene conica, silene gallica, sisymbrium officinale, malva sylvestris, silybum marianum, trifolium nigrescens