text: cerastium semidecandrum, ceratodon purpureus, rumex acetosella, agrostis capillaris, bromus hordeaceus, bromus tectorum, trifolium arvense, anthoxanthum aristatum, erodium cicutarium, myosotis stricta, erigeron canadensis, papaver rhoeas, senecio vernalis, veronica verna, viola arvensis