lolium perenne, trifolium nigrescens, capsella rubella, plantago weldenii, bromus madritensis, carduus pycnocephalus, centaurea calcitrapa, hordeum murinum, malva nicaeensis, matricaria chamomilla, medicago minima, poa annua, polycarpon tetraphyllum, rostraria cristata, rumex pulcher, sisymbrium officinale, trifolium repens