Biplot of the Principal Component Analysis performed on seven quantitative characters: (a) with projection of the variables on the factor plane PC1 ├Ś PC2; (b) and the cluster analysis UPGMA (c) of species from the Stipa purpurea complex.

 
 
  Part of: Nobis M, Krzempek M, Nowak A, Gudkova PD, Klichowska E (2022) ´╗┐Resurrection of Stipa tremula and taxonomy of the high-alpine species from the Stipa purpurea complex (Poaceae, Pooideae). PhytoKeys 196: 21-47. https://doi.org/10.3897/phytokeys.196.82598