1. Bostock, P.D. & A.E. Holland (2010). Census of the Queensland Flora. Queensland Herbarium Biodiversity and Ecosystem Sciences, Department of Environment and Resource, Brisbane, 320 pp.
2. Bryant, J.A. & N.F. Stewart (2011). Order charales pp742-765. In: John, D.M., B.A Whitton & A. J. Brook (eds.). The freshwater algal flora of the British Isles: An identification guide to freshwater & Terrestrial Algae, Cambridge University Press, Cambridge, UK, 878 pp.
3. Casanova, M.T. (2009). An overview of Nitella in Australia (Characeae, Charophyta). Australian Systematic Botany 22: 192–218.
4. Demhardt, I.J. (2005). Alfred Wegener’s hypothesis on continental drift and its discussion in Petermanns Geographische Mitteilungen (1912–1942). Polarforschung 75(1): 29–35.
5. Graham, L., J.E. Graham, L.W. Wilcox & M.E. Cook (2016). Algae. 3rd edition. LJLM Press, USA, 689 pp.