A. A. Saeed and A.-N. Al-Gifri, “STIPAGROSTIS XYLOSA COPE (TRIBE ARISTIDEAE, ARISTIDOIDEAE, POACEAE) A NEW DISTRIBUTION AND ADDITION TO THE FLORA OF ADEN, YEMEN”, Electron. J. Univ. Aden Basic Appl. Sci., vol. 4, no. 1, pp. 79–83, Mar. 2023.