Foto: Arenaria_leptoclados_arse2_001_lvd.jpgQuelle: USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribners Sons, New York. Vol. 2: 52.CC BY-SA 3.0Wiki Commons