picnomon acarna, carduus pycnocephalus, centaurea solstitialis, erigeron canadensis, scolymus hispanicus, achillea coarctata, brachypodium distachyon, capsella bursa-pastoris, dasypyrum villosum, diplotaxis tenuifolia, filago lutescens, hordeum murinum, nigella arvensis, onopordum illyricum, xeranthemum annuum