At any stage, you can move up or down the Taxonomic hierachy of Antarctic/subantarctic species by clicking on any name. Lower level taxon counts are shown in [].
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| Kingdom | Plantae | |
| Phylum | Chlorophyta | |
| Class | Ulvophyceae | |
| Order | Codiolales | |
| Family | Acrosiphoniaceae | |
| Genus | Acrosiphonia |
List of Individual Species - see Taxon profile using the name of the taxa.
| Acrosiphonia arcta | J Argadh 1848 | ||
| Acrosiphonia pacifica | (Montagne) J Argadh in Hohenacker 1857 |