WWF (World Wildlife Fund) ecologists currently divide the land surface of the Earth into 8 major ecozones containing 867 smaller terrestrial ecoregions (see list).
Eremolaena humblotiana, know by the vernacular names Amaninombilahy, Hamaninaombilahy and Fotona, is found in the humid Madagascar lowland forests and Madagascar subhumid forests ecoregions, up to 1200–1500 meters elevation, from the Brickaville to Vatomandry area, Betampona Reserve, Zahamena Reserve, and the area around Lac Alaotra.