Pyroloideae is a subfamily of plants in the family Ericaceae.
It was formerly treated as a separate family, Pyrolaceae.
[1] It has also been treated as the tribe Pyroleae within the subfamily Monotropoideae.
It consists of four genera: Chimaphila containing 5 species, Pyrola containing 30 species and Moneses and Orthilia which are monotypic.
They are mixotrophic, gaining nutrition from photosynthesis, but also from mycorrhizal fungi.