corynephorus canescens, bromus tectorum, calamagrostis epigejos, centaurea stoebe, echium vulgare, arrhenatherum elatius, chondrilla juncea, cota austriaca, hypericum perforatum, senecio vernalis, anthemis ruthenica, bromus sterilis, cerastium glutinosum, erigeron canadensis, rumex acetosella, arabidopsis thaliana, myosotis stricta, vicia lathyroides