Template:Krienitz et al., 2004
- Krienitz, L., Hegewald, E.H., Hepperle, D., Huss, V.A.R., Rohr, T. & Wolf, M. 2004. Phylogenetic relationship of Chlorella and Parachlorella gen. nov. (Chlorophyta, Trebouxiophyceae). Phycologia 43(5): 529–542, 19 figs, 3 tables. DOI: 10.2216/i0031-8884-43-5-529.1