Rheum undulatum Linnaeus, Species Plantarum, ed. 2, 1: 531. 1762.

"Habitat in China, Sibiria." RCN: 2927.

Type not designated.

Original material: [icon] in Linnaeus, Amoen. Acad. 3: 212, t. 4. 1751; [icon] in Amman, Stirp. Rar. Ruth.: 9. 1739.

Current name: Rheum undulatum L. ( Polygonaceae).