Plantae
Wielgolaski, F.E., Bliss, L.C., Svoboda, J., and Doyle, G. 1981. Primary production of tundra. In: Bliss, L.C., Heal, O.W., and Moore, J J. (eds.), Tundra Ecosystems: A Comparative Analysis(pp. 187 – 225 ). Cambridge: Cambridge University Press.