Enterobacter aerogenes? Unknown bacteria ID, is a lactose fermentor and citrate positive. Other options include Alcaligenes faecalis, E. coli, Proteus vulgaris, Pseudomonas aeruginosa, or Salmonella arizoniae : r/microbiology
Enterobacter Aerogenes - an overview | ScienceDirect Topics
Various Bacteria Gram Stain: Introduction, List of Bacteria, Short Demonstr