arabidopsis thaliana, ceratodon purpureus, achillea millefolium, cerastium semidecandrum, peltigera rufescens, rumex acetosella, scleranthus annuus, agrostis capillaris, festuca filiformis, jasione montana, pilosella officinarum, plantago lanceolata, poa pratensis, rumex acetosa, teesdalia nudicaulis, veronica arvensis, vicia sativa, viola arvensis