- Source: O. princeps
O. princeps may refer to:
Ochotona princeps, the American pika, a mammal species found in western North America
Oscillatoria princeps, a cyanobacterium species in the genus Oscillatoria
O. princeps may refer to:
Ochotona princeps, the American pika, a mammal species found in western North America
Oscillatoria princeps, a cyanobacterium species in the genus Oscillatoria