Attributes / relations provided by
♦ ¹Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ ²Jorrit 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.
♦ ³del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ⁴Lepus arcticus, Troy L. Best and Travis Hill Henry, MAMMALIAN SPECIES No. 457, pp. 1-9 (1994)
♦ ⁵Phenacomys ungava (Rodentia: Cricetidae), JANET K. BRAUN, SARA B. GONZALEZ-PEREZ, GARRETT M. STREET, JENNIE M. MOOK, AND NICHOLAS J. CZAPLEWSKI, MAMMALIAN SPECIES 45(899):18–29 (2013)
♦ ⁶Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P. ScaleNet 4 November 2009
♦ ⁷Insect-flower associations in the high Arctic with special reference to nectar., Hocking, B. 1968. Oikos 19:359-388

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