agrostis capillaris, apera spica-venti, bromus tectorum, cerastium semidecandrum, corynephorus canescens, poa annua, sisymbrium altissimum, tripleurospermum inodorum, arenaria serpyllifolia, bromus hordeaceus, cirsium arvense, erigeron canadensis, logfia minima, matricaria discoidea, papaver dubium, rumex acetosella, senecio vernalis, senecio viscosus, stellaria media, veronica arvensis, arabidopsis thaliana, holcus mollis, hypericum perforatum