Colony MorphologyEnterobacter aerogenesEnterobacter aerogenes

Colony Morphology Shape Size: Margin (edge): Elevation: Light transmission/Color: Texture: Appearance:

Colony SizeDependent on the: the growth medium the number of colonies present on a

plate

punctiform small medium large

Colony Texture Possible textures include:

smooth to wrinkled rough Granular

Colony Appearance

Shiny or dull

Colony Light Transmission/Color The light transmission through

colonies can range from: complete (transparent) intermediate (translucent) completely lacking (opaque)

Colonies can come in a rainbow of colors.

Serratia marcescans

Colony shape and size: round and medium Margin: irregular Elevation: raised Color: red center,

white edge Texture: moist, smooth

Bacillus cereus  Colony shape and size:

irregular, large

Margin: undulate to curled

Elevation: flat to raised

Color: opaque

Texture: smooth

Escherichia coli Colony shape and size:

Irregular, Small to medium Margin: undulate Elevation: slightly raised Color: translucent Texture: Shiny, smooth

Micrococcus luteus Colony shape and size:

circular, pinhead Margin: entire Elevation: convex Color:

beige to yellow Texture: shiny, smooth

Staphylococcus epidermidis

Colony shape and size: small and round Margin: entire Elevation: convex Color: off-white Texture: Smooth

Pseudomonas fluorescens

Colony shape and size: irregular, small to medium

Margin: smooth to wavy Elevation: flat to raised Color:Transparent to light yellow Texture: shiny, smooth

Bacillus Megaterium

Colony shape and size: round and medium

Margin: smoothElevation: flat to raised

Color:beige to whiteTexture: smooth