hordeum murinum, eryngium campestre, galium verum, lepidium draba, poa bulbosa, sinapis arvensis, bromus tomentellus, capsella bursa-pastoris, descurainia sophia, galium aparine, medicago minima, medicago sativa, anthemis cotula, carduus pycnocephalus, phleum pratense, scandix pecten-veneris, senecio vernalis, tragopogon dubius