Viridiophytes: green plants -> UTC Clade

Systematics within the Chlorophyceae have changed substantially as a result of ultrastructural and molecular investigations. The class may be broadly separated into those in which flagella basal bodies are displaced clockwise (CW clade, with one exception) and those in which they are directly opposed (DO; the other orders shown here). A number of orders display the DO characteristic, but their position within the phylogeny are often unresolved. One such group is the Oedogoniales (represented here by Oedogonium and Bulbochaete), which features cell division and life cycles different from all other algae. It has been suggested that the Chlorophyceae could be split into further classes on this basis.

Indigenous or exotic to New Zealand.

NZ Flora Web Site Link to the Ngā Tipu o Aotearoa Database

Booton, G.C., Floyd, G.L., Fuerst, P.A. (1998) Origins and affinities of the filamentous green algal orders Chaetophorales and Oedogoniales based on 18S rRNA gene sequences. Journal of Phycology 34, 312–318.
Buchheim, M.A., Michalopulos, E.A., Buchheim, J.A. (2001) Phylogeny of the Chlorophyceae with special reference to the Sphaeropleales: a study of 18S and 26S rDNA data. Journal of Phycology, 37, 819–835.
Huss, V.A.R., Frank, C., Hartmann, E.C., Hirmer, M., Kloboucek, A., Seidel, B.M., Wenzeler, P., Kessler, E. (1999) Biochemical taxonomy and molecular phylogeny of the genus Chlorella sensu lato (Chlorophyta). Journal of Phycology, 35, 587–598.
Lewis, L. (1997) Diversity and phylogenetic placement of Bracteacoccus Tereg (Chlorophyceae, Chlorophyta) based on 18S ribosomal RNA gene sequence data. Journal of Phycology, 33, 279–285.
Nakayama, T., Watanabe, S., Inouye, I. (1996) Phylogeny of wall-less green flagellates inferred from 18S rDNA sequence data. Phycological Research, 44, 151–161.
Phil Novis PhycologistPhycologist
Last updated: 05-Mar-2013