Attributes / relations provided by
♦ 1USDA Plants Database, U. S. Department of Agriculture
♦ 2Kattge, J. et al. (2011b)
TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 3Jorrit 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.
♦ 4Black-tailed Prairie Dog Food Habits and Forage Relationships in Western South Dakota, DANIEL W. URESK, Journal of Range Management Vol. 37, No. 4, July 1984, p. 325-329
♦ 5Dipodomys spectabilis, Troy L. Best, MAMMALIAN SPECIES No. 311, pp. 1-10 (1988)
♦ 6Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009
♦ 7Lepus californicus, Troy L. Best, MAMMALIAN SPECIES No. 530, pp. 1-10 (1996)
♦ 8del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.