tussilago farfara, salvia verticillata, achillea millefolium, anthyllis vulneraria, arabidopsis arenosa, astrantia major, cirsium arvense, cruciata glabra, erigeron canadensis, eupatorium cannabinum, lotus corniculatus, medicago lupulina, pimpinella major, poa annua, poa compressa, scirpus sylvaticus, silene nutans, veronica officinalis