tussilago farfara, glechoma hederacea, streblotrichum convolutum, achillea millefolium, cirsium arvense, dactylis glomerata, melilotus albus, plantago lanceolata, poa annua, trifolium repens, agrostis capillaris, arabidopsis arenosa, barbula unguiculata, bryum argenteum, deschampsia cespitosa, equisetum arvense, funaria hygrometrica