Hypericum perfoliatum Linnaeus, Systema Naturae, ed. 12, 2: 510. 1767.
RCN: 5764.
Lectotype (Burtt in Burtt & Davis in Kew Bull. 4: 102. 1949): Herb. Linn. No. 943.44 (LINN) .
Current name: Hypericum perfoliatum L. ( Clusiaceae).