Slowly growing Mycobacteria

Mycobacteria that form colonies clearly visible to the naked eye in more than 7 days on subculture are termed slow growers.

They can cause disease in humans.

Rough

 * Mycobacterium africanum
 * Mycobacterium bovis
 * Mycobacterium leprae
 * Mycobacterium lacus
 * Mycobacterium lepraemurium
 * Mycobacterium microti
 * Mycobacterium pinnipedii
 * Mycobacterium shottsii
 * Mycobacterium tuberculosis

Smooth

 * Mycobacterium branderi
 * Mycobacterium heidelbergense
 * Mycobacterium intracellulare
 * Mycobacterium malmoense

Smooth to rough

 * Mycobacterium gastri
 * Mycobacterium haemophilum

Small and Transparent

 * Mycobacterium avium avium
 * Mycobacterium avium paratuberculosis
 * Mycobacterium avium silvaticum
 * Mycobacterium genavense
 * Mycobacterium montefiorense
 * Mycobacterium ulcerans

Photochromogenic

 * Mycobacterium intermedium

Yellow and smooth
 * Mycobacterium asiaticum
 * Mycobacterium marinum

Yellow and rough
 * Mycobacterium kansasii

Yellow

 * Mycobacterium conspicuum
 * Mycobacterium botniense
 * Mycobacterium farcinogenes
 * Mycobacterium heckeshornense
 * Mycobacterium interjectum
 * Mycobacterium kubicae
 * Mycobacterium lentiflavum
 * Mycobacterium nebraskense
 * Mycobacterium nebraskense
 * Mycobacterium palustre
 * Mycobacterium tusciae

Yellow-Orange

 * Mycobacterium cookii
 * Mycobacterium flavescens
 * Mycobacterium gordonae

Rose-Pink

 * Mycobacterium hiberniae