Attributes / relations provided by
♦ ¹Aplodontia rufa, Leslie N. Carraway and B. J. Verts, MAMMALIAN SPECIES No. 431, pp. 1-10 (1993)
♦ ²Bighorn 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