Asclepias verticillata Linnaeus, Species Plantarum 1: 217. 1753.

"Habitat in Virginia." RCN: 1787.

Lectotype (Britten in J. Bot. 36: 265. 1898): Clayton 216 (BM-000051173).

Current name: Asclepias verticillata L. ( Asclepiadaceae).

Note: See extensive review by Reveal & al. (in Huntia 7: 212-213. 1987).