[Wikipedia] Myco-heterotroph: Pterospora, commonly known as pinedrops,[1] woodland pinedrops,[2] Albany beechdrops, or giant bird's nest is a North American genus in the subfamily Monotropoideae of the heath family, and includes only the species Pterospora andromedea.[3][4] It grows as a mycoheterotroph (relying on fungi rather than photosynthesis for nutrients) in coniferous or mixed forests. (link added by Mary Ann Machi)