Eriogonum pyrolifolium subsp. coryphaeum (Torr. & A.Gray) Piper & Beattie (Polygonaceae) is native to British Columbia, California, Idaho, Montana, Oregon, Washington. Flora of the World documents 3 occurrences across 1 country.
This name is a synonym
Specimens are listed under the accepted name Eriogonum pyrolifolium Torr. & A.Gray
