poa compressa, ceratodon purpureus, rumex acetosella, artemisia vulgaris, homalothecium sericeum, niphotrichum canescens, arrhenatherum elatius, bromus sterilis, cichorium intybus, hypochaeris radicata, linaria vulgaris, pastinaca sativa, potentilla reptans, senecio viscosus, solidago canadensis, tanacetum vulgare