Attributes / relations provided by
♦ 1i-Tree Species v. 4.0, developed by the USDA Forest Service's Northern Research Station and SUNY-ESF using the Horticopia, Inc. plant database.
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009
♦ 4Ammotragus lervia, Gary G. Gray and C. David Simpson, Mammalian Species No. 144, pp. 1-7 (1980)
♦ 5HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
♦ 6Food Habits of Rodents Inhabiting Arid and Semi-arid Ecosystems of Central New Mexico, ANDREW G. HOPE AND ROBERT R. PARMENTER, Special Publication of the Museum of Southwestern Biology, NUMBER 9, pp. 1–75 (2007)