The geographical distribution of a particular living thing
2004, Brian P. Hedlund & James T. Staley, “Microbial Endemism and Biogeography”, in Alan T. Bull ed., Microbial Diversity and Bioprospecting[1], ISBN 1555812678, page 225:
First, any international traveler knows that many pathogenic microbes, both viral and bacterial, have distinct biogeographies.