poa annua, polycarpon tetraphyllum, arenaria leptoclados, cynodon dactylon, chondrilla juncea, dialytrichia mucronata, erigeron annuus, erigeron canadensis, erodium cicutarium, euphorbia maculata, herniaria glabra, hypochaeris radicata, medicago minima, plantago bellardii, plantago coronopus, plantago lanceolata, sideritis romana, streblotrichum convolutum, trisetaria aurea