Normal conjunctival flora is-
E coli
Pseudomonas
Coagulase negative staphylococci
lactobacillus
Staphylococcus epidermidis is an innocuous flora of lid and conjunctiva. It can also produce blepharo conjunctivitis Staphylococcus aureus is the most common cause of bacterial conjunctivitis and blepharoconjunctivitis. Ref: A K KHURANA COMPREHENSIVE OPHTALMOLOGY,E4,page-55
Conjunctiva