ceratodon purpureus, apera spica-venti, cerastium semidecandrum, erigeron canadensis, arenaria serpyllifolia, bromus tectorum, bryum argenteum, cerastium holosteoides, chenopodium album, fallopia convolvulus, myosotis arvensis, rumex acetosella, senecio vernalis, sisymbrium altissimum, arabidopsis thaliana, capsella bursa-pastoris, corynephorus canescens, myosotis stricta, peltigera praetextata, polytrichum juniperinum, holcus lanatus, tripleurospermum inodorum