Verbatim text: Steen, N.W., R. Elven, and I. Nordal. 2004. Hybrid origin of the arctic ×Pucciphippsia vacillans (Poaceae): Evidence from Svalbard plants. Pi. Syst. Evol. 245:215-238.
Author: Steen, N.W., Elven, R., Nordal, I.
Year: 2004
Title: Hybrid origin of the arctic ×Pucciphippsia vacillans (Poaceae): Evidence from Svalbard plants
Journal: Pi. Syst. Evol
Volume: 245
Pages: 215–238