berteroa incana, brachythecium albicans, artemisia campestris, ceratodon purpureus, erigeron canadensis, oenothera rubricaulis, rumex thyrsiflorus, achillea collina, apera spica-venti, arabidopsis thaliana, arenaria serpyllifolia, centaurea stoebe, cichorium intybus, daucus carota, equisetum arvense, medicago lupulina, melilotus officinalis, poa angustifolia, rumex acetosella, sedum acre, silene latifolia, trifolium arvense, tripleurospermum inodorum, artemisia vulgaris, tanacetum vulgare