Bacteria Pseudomonads Free-Living Aerobic Nitrogen-Fixing Bacteria Acetic Acid bacteria Zymomonas and Chromobacterium Vibrio and related genera Facultatively Aerobic Gram-Negative Rods Neisseria and other Gram-Negative Cocci Rickettsia Clamydias Gram-Positive bacteria: cocci Lactic Acid bacteria Endospore-Forming Gram-Positive Rods and Cocci Mycoplasmas High GC Gram-Positive Bacteria: " Actinomycetes Coryneform Bacteria Propionic Acid Bacteria Mycobacteria Filamentous ActinomycetesBacteria Pseudomonads Free-Living Aerobic Nitrogen-Fixing Bacteria Acetic Acid Bacteria Zymomonas and Chromobacterium Vibrio and Related Genera Facultatively Aerobic Gram-Negative Rods Neisseria and other Gram-Negative Cocci Rickettsias Clamydias Gram-Positive Bacteria: Cocci Lactic Acid Bacteria Endospore-Forming Gram-Positive Rods and Cocci Mycoplasmas High GC Gram-Positive Bacteria: “Actinomycetes” Coryneform Bacteria Propionic Acid Bacteria Mycobacteria Filamentous Actinomycetes