apera spica-venti, cerastium semidecandrum, festuca rubra, logfia minima, rumex acetosella, trifolium arvense, agrostis capillaris, arabidopsis thaliana, bryum argenteum, ceratodon purpureus, draba verna, erigeron canadensis, erodium cicutarium, holcus mollis, pilosella officinarum, polytrichum piliferum, setaria pumila, syntrichia ruralis, veronica dillenii, viola tricolor