Pyroloideae

Moneses uniflora, the one-flowered wintergreen (British Isles), single delight, wax-flower, shy maiden, star of Bethlehem (Aleutians), '''St. Olaf's candlestick (Norway), wood nymph, or frog's reading lamp, is a plant of the family of Ericaceae, that is indigenous to moist coniferous forests in temperate regions of the Northern Hemisphere from Spain to Japan and across North America. It is the sole member of genus Moneses'''.

Orthilia is a genus of flowering plants in the family Ericaceae. It has only one species, Orthilia secunda. Its common names are sidebells wintergreen, one-sided-wintergreen and serrated-wintergreen. It is also called one-sided pyrola, one-sided shinleaf, and one-sided wintergreen. It was previously part of genus Pyrola, the wintergreens.

Pyroloideae is a subfamily of plants in the family Ericaceae. It was formerly treated as a separate family, Pyrolaceae. 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.