pinpoint colonies on blood agar, some may have slight green or clear areas around the outside edge

Streptococcus, sp. includes Streptococcus pyogenes and Streptococcus pneumonia

smooth white colonies on blood agar plate some may have clear zone around edges

Staphylococcus, sp includes Staphylococcus aureus

large creamy white colonies as colonies get older small “feet” can be seen. Fungus growth may seem fuzzy.

yeasts includes Candida albicans

medium to large white or slightly gray colonies on blood agar plate Some colonies may be mucoid.

Gram negative rods includes Escherichia coli and Salmonella typhi

large dry spreading colonies or medium white colonies with double zones of clear beta hemolysis

Gram positive rods includes Bacillus sp. and Clostridium perfringes