- IPNI Life Sciences Identifier (LSID)
- United States Exploring Expedition. During the years 1838, 1839, 1840, 1841, 1842. Under the Command of Charles Wilkes, U.S.N. vol. XV. Botany. Phanerogamia by Asa Gray with a Folia Atlas of 100 Plates. Part 1. Philadelphia
- 15: 345, t. 37
- Family as entered in IPNI
- Ins. Sandvic
C. Wilkes Expl. Exped.