education > microbiology > microbiology legends > Cycle 20 - 2006 Select the Microbiology Legend you wish to view from the list below: Cycle 20 Organism 1 Salmonella Cycle 20 Organism 2 Streptococcus Cycle 20 Organism 3 Acinetobacter Cycle 20 Organism 4 Citrobacter Cycle 20 Organism 5 Clostridium perfringens Cycle 20 Organism 6 Stenotrophomonas maltophilia Cycle 20 Organism 7 Enterococcus faecium Cycle 20 Organism 8 Listeria monocytogenes Cycle 20 Organism 9 Pasteurella multocida Cycle 20 Organism 10 Yersinia enterocolitica Cycle 20 Organism 11 Klebsiella pneumoniae Cycle 20 Organism 12 Enteropathogenic E. coli.