Pseudechinolaena polystachya has a naturally extensive range, predominantly flourishing in the tropical and subtropical regions across continents such as South America, Africa, and Asia. Native to a broad expanse that includes parts of Central and South America, the swathes of Africa from the savannas to the rainforests, and pockets of tropical Asia, pseudechinolaena polystachya has adapted to various climates within these major regions.