medicago lupulina, ceratodon purpureus, barbula unguiculata, deschampsia cespitosa, bryum argenteum, achillea millefolium, agrostis gigantea, bromus hordeaceus, cirsium arvense, trifolium repens, tussilago farfara, epilobium tetragonum, erigeron acris, tripleurospermum inodorum