Fig. 4From: Spatial differences in Casuarina equisetifolia L. endophyte community structureEndophytes in seeds acting as the species pool transmit to different ecological niches. OTU Venn analysis represents the characteristics: shared and specific microorganisms in different ecological niches, namely, a showing endophytic fungi and b showing endophytic bacteria in seeds, branchlets, roots, and litter of C. equisetifolia at the genus level. c, d Vertical dispersal of endophytic fungi (left) and bacteria (right) in seeds, branchlets, roots, and litter of C. equisetifolia at genus stand. U represents an unknown sourceBack to article page