pteridium aquilinum, asphodelus ramosus, avena barbata, knautia integrifolia, briza maxima, bromus diandrus, bromus hordeaceus, campanula rapunculus, cardamine hirsuta, cichorium intybus, convolvulus arvensis, galium parisiense, gaudinia fragilis, lagurus ovatus, matricaria chamomilla, medicago polymorpha, poa trivialis, pulicaria odora, rumex acetosella, trifolium nigrescens, vicia villosa