text: ceratodon purpureus, elymus repens, erigeron canadensis, holosteum umbellatum, viola arvensis, agrostis capillaris, bromus tectorum, crepis tectorum, filago arvensis, hypochaeris radicata, rumex acetosella, senecio vernalis, trifolium arvense, veronica triphyllos, anthemis arvensis, avenella flexuosa, erodium cicutarium, scleranthus annuus, dactylis glomerata