1) Dilleniid dicot family 2) Family pyrolaceae 3) Wintergreen family 
Pyrolaceae was a small family of flowering plants under the old Cronquist system of plant classification. It included the four genera Chimaphila, Moneses, Orthilia, and Pyrola, and sometimes also the eight genera formerly usually placed in the family Monotropaceae. Recent genetic research by the Angiosperm Phylogeny Group has however demonstrated ...
(from the article `Ericales`) The Pyrolaceae (the shinleaf family) is composed of 4 genera and about 45 species and is endemic to the Northern Hemisphere and most diverse in the ...
[n] - evergreen herbs of temperate regions: genera Pyrola
family Pyrolaceae noun evergreen herbs of temperate regions: genera Pyrola, Chimaphila, Moneses, Orthilia