VetBact - Standard Gram Staining Quiz

Question

Species/subspecies	G+	G-
Which of the following bacteria is/are Gram positive (G+) and which ones are Gram negative (G-)?
Ehrlichia canis:
Bartonella elizabethae:
Moraxella osloensis:
Clostridioides difficile:
Serratia marcescens marcescens:
List correct answers