picnomon acarna, erigeron canadensis, hordeum murinum, onopordum illyricum, scolymus hispanicus, xanthium spinosum, achillea coarctata, anthemis cotula, centaurea calcitrapa, centaurea solstitialis, dasypyrum villosum, diplotaxis tenuifolia, dysphania botrys, echinops sphaerocephalus, filago lutescens, polygonum aviculare, xeranthemum annuum