root › cellular organisms › Bacteria › Pseudomonadati › FCB group › Bacteroidota/Chlorobiota group › Bacteroidota › Flavobacteriia › Flavobacteriales › Flavobacteriales incertae sedis › Candidatus Walczuchella › unclassified Candidatus Walczuchella › Candidatus Walczuchella endosymbiont of Icerya purchasi