Group Listing Aerobes: GNC Aerobes: GNR - Enterobacteriaceae Aerobes: GNR - Haemophilus, HACEK and others Aerobes: GNR - Nonfermenters Aerobes: GPC Aerobes: GPR Anaerobes: GNC Anaerobes: GNR Bacteroides distasonis Bacteroides fragilis Bacteroides ovatus Bacteroides thetaiotaomicron Bacteroides ureolyticus Bacteroides vulgatus Fusobacterium mortiferum Microscopic morphology 1000x Gram stain, broth 1000x Gram stain, plate Colonial morphology An BA | Macro BRU | Macro Fusobacterium necrophorum Fusobacterium nucleatum Fusobacterium varium Prevotella melaninogenica Anaerobes: GPC Anaerobes: GPR Anaerobes: GPR, Spore-forming Mycobacteria