^Warming, E., 1884. Haandbog i den systematiske botanik. Anden gjennemsete udgave. 2nd ed. Kjøbenhavn, 434 pp. German translation (1890) of the 2nd Danish edition available atChlorophyceae archive.org: [1]. English translation (1895) of the 3rd Danish edition (1892) available at archive.org: [2].
^Guiry, M.D.; Guiry, G.M. Class: Chlorophyceae taxonomy browser. AlgaeBase version 4.2 World-wide electronic publication, National University of Ireland, Galway. 2007 [2007-09-23].
