echium vulgare, convolvulus arvensis, rumex acetosella, tripleurospermum inodorum, aira elegans, bromus commutatus, bromus hordeaceus, centaurea cyanus, cirsium arvense, crepis setosa, cynosurus echinatus, eryngium campestre, filago arvensis, hypericum perforatum, lolium perenne, phleum pratense, plantago lanceolata, scleranthus perennis, scorzoneroides cichoriacea, silene vulgaris, trifolium aureum, trifolium ochroleucon, trifolium repens, viola arvensis