<prompt> Farmers lung is caused by -Micromonospore faeniaAspergillosisHistoplasma capsulatamAll of the above  <response>: Ans. is a i.e., Micromonospore faenia Spores of some thermophilic actinomycetes such as faenia and Saccharomonsporia species may induce allergic alveolitis leading to COPD,farmers lung. 