Final answer:
The other bacterial genus that is acid fast is Nocardia.
Step-by-step explanation:
The other bacterial genus that is acid fast is Nocardia. Acid-fast staining is a procedure that is used to detect bacteria that have a waxy lipid layer in their cell walls, making them resistant to regular staining methods. One of the most well-known acid-fast bacteria is Mycobacterium tuberculosis, the causative agent of tuberculosis.