Fig. 2
From: SILVA, RDP, Greengenes, NCBI and OTT — how do these taxonomies compare?
Composition of the five taxonomies. a Composition by rank type. Main rank stands for either root, domain, phylum, class, order, family, genus or species; intermediate includes all ‘sub–’, ‘infra–’, ‘super–’ etc. ranks. b Composition with respect to the number of nodes at each rank from root to genus. Square areas correspond to the number of nodes at each rank in each taxonomic classification