rumex acetosella, rumex thyrsiflorus, anchusa officinalis, elymus repens, brachythecium rutabulum, erigeron canadensis, agrostis capillaris, cerastium semidecandrum, ceratodon purpureus, apera spica-venti, arabidopsis thaliana, erodium cicutarium, agrostis gigantea, echium vulgare, viola arvensis