polycarpon tetraphyllum, medicago arabica, medicago polymorpha, poa annua, sagina apetala, trifolium nigrescens, trisetaria panicea, galium murale, achyrophorus valdesii, anthemis arvensis, arenaria leptoclados, bryum argenteum, capsella bursa-pastoris, cardamine hirsuta, crepis neglecta, erodium cicutarium, medicago lupulina, sabulina tenuifolia, tortula muralis, verbena officinalis, veronica arvensis