Pterospora, commonly known as pinedrops, wooodland pinedrops, Albany beechdrops, or giant bird's nest is a North American genus in the subfamily Monotropoidiae of the blueberry family, and includes only the species Pterospora andromedea. It grows in coniferous or mixed forests. It is widespread across much of Canada as well as the western and northeastern United States to and northern Mexico (Sonora, Coahuila, Durango, Nuevo León). Along with Monotropa it is one of the more frequently encountered members of the Monotropoidiae.