Mannitol salt agar (MSA) with growth of S. aureus, CoNS and no growth of E. coli
<a href="//commons.wikimedia.org/wiki/User:Ajay_Kumar_Chaurasiya" title="User:Ajay Kumar Chaurasiya">Ajay Kumar Chaurasiya</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>