Attributes / relations provided by
♦ 1Kattge, J. et al. (2011b)
TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009
♦ 4National Geographic Magazine - May 2016 - Yellowstone - The Carnivore Comeback
♦ 5Bighorn Sheep Diet Selection and Forage Quality in Central Idaho, Guy D. Wagner and James M. Peek, Northwest Science, Vol. 80, No.4, 2006, pp. 246-258
♦ 6Spermophilus columbianus, Charles L. Elliott and Jerran T. Flinders, MAMMALIAN SPECIES No. 372, pp. 1-9 (1991)
♦ 7Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.