Convolvulus spithamaeus Linnaeus, Species Plantarum 1: 158. 1753.

"Habitat in Virginia." RCN: 1260.

Lectotype (Tryon in Rhodora 41: 417, pl. 557. 1939): Clayton 553 (BM-000051655).

Current name: Calystegia spithamaea (L.) Pursh ( Convolvulaceae).

Note: Tryon’s pl. 557 clarifies that the "type specimen" is clearly Clayton 553 (BM).