Mycobacterium fallax

Mycobacterium fallax is a species of the phylum Actinobacteria (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus "Mycobacterium".
Description.
Gram-positive, nonmotile and acid-fast rods (0.5 – 1 µm long) except for a small number (less than 20%) of cyanophil forms.
Colony characteristics
Physiology
Differential characteristics