Taxon - Links and literature
The Interim Register of Marine and Nonmarine Genera [1299992]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Eucephalus Nuttall, 1840]
Data retrieved on: 5 January 2020
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [as Eucephalus Nutt.]Data retrieved on: 19 September 2019