Template:Ettl & Gärtner, 1987
- Ettl, H. & Gärtner, G. 1987. Taxonomic and nomenclatural changes and descriptions of new taxa of the Tetrasporales, Chlorococcales and Gloeodendrales (Chlorophyta, Chlamydophyceae and Chlorophyceae). Nova Hedwigia 44: 509–517.