Nomenclature

Physostegia Benth., Edwards's Bot. Reg. 15: sub t. 1289. 1829.

List of Physostegia Species

References to Physostegia

• Cantino, P. D. 1981 . The Physotegia puppurea-lentophylla-dentriculata problem: Taxonomic and nomenclatural clarification. Rhodora 83: 581-593.
• Cantino, P. D. 1982 . A monograph of the genus Phytostegia. Contr. Gray Herb. 211: 1-105.