Al-Rowaily S, Assaeed A, Al-Khateeb S, Al-Qarawi A, Al Arifi F (2016) Vegetation and condition of arid rangeland ecosystem in Central Saudi Arabia. Saudi Journal of Biological Sciences. In press, corrected proof, Available online 24 December 2016
Al-Turki T, Al-Olayan H (2003) Contribution to the flora of Saudi Arabia: Hail region. Saudi Journal of Biological Sciences 10:190-222.
Alghamdi AA (2017) Quantifying the level of degradation in two adjacent rangeland areas in Ha’il district. International Journal of Applied Research 3:107-110.
AlZubaidem M, AlZahrani H, AlToukhy A (2017) Floristic Composition and Life Forms for Wild Plants of Shada Highest Mountain and Wadi Sagamah at Al BahaArea, Saudi Arabia. Middle-East Journal of Scientific Research 25 : 1342-1348.
Aukema JE, Pricope NG, Husak GJ, Lopez-Carr D (2017) Biodiversity Areas under Threat: Overlap of Climate Change and Population Pressures on the World’s Biodiversity Priorities. PloS one 12:e0170615.
Baig MB, Straquadine GS, Aldosari FO (2017) Revisiting extension systems in saudi arabia: emerging reasons and realities. Journal of Experimental Biology and Agricultural Sciences 5:s160-s164.
Chaudhary SA (2001) Flora of the Kingdom of Saudi Arabia. Ministry of Agriculture and Water, Riyadh.
Collenette IS (1999) Wildflowers of Saudi Arabia. 799 pp. National Corrunission for Wildlife Conservation, Riyadh.
Conant RT, Cerri CE, Osborne BB, Paustian K (2017) Grassland management impacts on soil carbon stocks: a new synthesis. Ecological Applications 27:662-668.
Dogra SD, Sood SK, Dobhal PK, Sharma S (2010) Alien plant invasion and their impact on indigenous species diversity at global scale: A review. Journal of Ecology and the Natural Environment 2 : 175-186.
El-Ghanim WM, Hassan LM, Galal TM, Badr A (2010) Floristic composition and vegetation analysis in Hail region north of central Saudi Arabia. Saudi journal of Biological Sciences 17:119-128.
Heneidy SZ, Halmy MWA, Bidak LM (2017) The ethnobotanical importance and conservation value of native plants in eastern Arabian Peninsula. Feddes Repertorium 128:105-128.
Mseddi K, Al-Shammari A, Sharif H, Chaieb M (2016) Plant diversity and relationships with environmental factors after rangeland exclosure in arid Tunisia. Turkish Journal of Botany 40:287-297.
Mseddi K, Alghamdi A, Sharawy S, Ibrahim N (2017) Screening of weeds and their effect on alfalfa (Medicago sativa). Indian Journal of Agricultural Sciences 87:1565-1571.
Schultz E, Whitney JW (1986) Upper Pleistocene and Holocene lakes in the An Nafud, Saudi Arabia. Hydrobiologia 143:175–90.
Pielou EC (1959) The use of point-to-plant distances in the study of the pattern of plant populations. The Journal of Ecology 47: 607-613.
Thapa N, Mahrajan M (2014) Invasive Alien Species: Threats and Challenges for Biodiversity ConservationA Case Study of Annapurna Conservation Area, Nepal. Proceedings of the
Zhang C, Li X, Chen L, Xie G, Liu C, Pei S (2016) Effects of Topographical and Edaphic Factors on Tree Community Structure and Diversity of Subtropical Mountain Forests in the Lower Lancang River Basin. Forests 7 : 1-17.