tussilago farfara, reseda lutea, diplotaxis muralis, poa compressa, achillea millefolium, anthemis arvensis, artemisia vulgaris, bromus hordeaceus, capsella bursa-pastoris, ceratodon purpureus, echium vulgare, medicago lupulina, phaeoceros laevis, senecio viscosus, streblotrichum convolutum, veronica chamaedrys