Group Listing Aerobes: GNC Aerobes: GNR - Enterobacteriaceae Aerobes: GNR - Haemophilus, HACEK and others Aerobes: GNR - Nonfermenters Aerobes: GPC Aerobes: GPR Anaerobes: GNC Anaerobes: GNR Anaerobes: GPC Finegoldia magna Micromonas micros Peptoniphilus asaccharolyticus Peptostreptococcus anaerobius Microscopic morphology 1000x Gram stain, broth Colonial morphology An BA | Macro BRU | Macro Anaerobes: GPR Anaerobes: GPR, Spore-forming Mycobacteria