Figure 7From: Evolution of the nuclear ribosomal DNA intergenic spacer in four species of the Daphnia pulex complexUnrooted Neighbor-joining dendrogram of IGS B repeats from representatives of four species in the Daphnia pulex complex. Dpc = D. pulicaria, DpxE = European D. pulex, DpxNA = North American D. pulex, Dten = D. tenebrosa.Back to article page