Template:Sym & Pienaar, 1995
- Sym, S.D. & Pienaar, R.N. 1995. Taxonomy of Pyramimonas obovata and other observations on the subgenus Vestigifera of Pyramimonas (Prasinophyceae, Chlorophyta). Phycological Research 43(1): 17–32. DOI: 10.1111/j.1440-1835.1995.tb00002.x
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