 Other characteristics of its appearance mentioned in the morphology section might also be used to identify the species.Moreover, the histopathology test will expect a granuloma consisting of a variety of immune cells in which hypha or hyphal fragments (4–10 μm diameter) often stain bright pink in H&E sections.When biopsy is not available, immunofluorescent test can also be used to identify "B. ranarum" strains.