Template:Friedl & O′Kelly, 2002
- Friedl, T. & O'Kelly, C.J. 2002. Phylogenetic relationships of green algae assigned to the genus Planophila (Chlorophyta): evidence from 18S rDNA sequence data and ultrastructure. European Journal of Phycology 37(3): 373–384. DOI: 10.1017/S0967026202003712