Fig. 4From: The development of SSR markers based on RNA-sequencing and its validation between and within Carex L. speciesPCoA analysis of 79 materials of Carex. The first principal component accounts for 29.6% and the second principal component accounts for 19.8%. The red diamond represents the germplasm resources from China, the green square represents New Zealand, the blue triangle represents North America, and the yellow circle represents GermanyBack to article page