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 Anaerobes: GPR Anaerobes: GPR, Spore-forming Clostridium butyricum Clostridium clostridioforme Clostridium difficile Clostridium innocuum Clostridium perfringens Clostridium ramosum Clostridium septicum Microscopic morphology 1000x Gram stain, plate Colonial morphology An BA | Macro An BA | Backlight BRU | Backlight BRU | Backlight Clostridium sordellii Clostridium sporogenes Mycobacteria