||Bacteria Escherichia coli
||Neidhardt et al Physiology of the Bacterial Cell, second edition 1996 Macnab chapter 10- Flagella and motility p.1 2nd paragraph
||"The flagella are varied in number (typically about 5 to 10 per cell) and originate at random points around the cell surface, a pattern called peritrichous flagellation." Note- on p.12 table 3 Table - link the following value appears "No. of flagella/cell : From 0 to around 15 typically around 8."
||Ron Milo, Paul Jorgensen, Mike Springer