Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
[crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Clade neomura Cavalier-Smith, 1987
Domain Eukaryota Chatton, 1925 - eukaryotes
Clade discaria Cavalier-Smith, 2021
Clade natates Cavalier-Smith, 2021
Clade photaria Cavalier-Smith, 2021
Clade eucorta Cavalier-Smith, 2021
Superkingdom Corticata Lankester, 1878 - corticates
Kingdom Plantae Haeckel (1866) - plants
Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
Phylum Chlorophyta Pascher (1914) [coordinate rank] - green algae
"core chlorophytes"
Class Chlorophyceae Wille (1884) - chlorophytes
Order Sphaeropleales Luerssen (1877)
Family Hydrodictyaceae Dumort.
Genus Pediastrum F.J.F. Meyen (1829)
Pediastrum duplex F.J.F. Meyen (1829)
Pediastrum duplex var. asperum (A.K.H. Braun, 1855) A. Hansgirg (1886)
Pediastrum duplex var. cohaerens (K.H. Bohlin, 1897) A.E. Ergashev (1979)
Pediastrum duplex var. cornutum Racib. (1889)
Pediastrum duplex var. genuinum (A.K.H. Braun, 1855) N.G. von Lagerheim (1882)
Pediastrum duplex var. lividum Racib. (1889)
Pediastrum duplex var. montanum D.A. Tarnogradskii (1957)
Pediastrum duplex var. punctatum (W. Krieger, 1929) O.O. Parra Barientos (1979)
01 Pediastrum duplex f. denticulatum Isabella & R.J. Patel
02 Pediastrum duplex var. convexum W. Krieger
03.1 Pediastrum duplex var. duplexᵀ F.J.F. Meyen (1829)
03.2 Pediastrum duplex var. reticulatum von Lagerheim (1882)
04 Pediastrum duplex var. tetraodon
05 Pediastrum duplex var. rotundatum Lucks
06 Pediastrum duplex var. gracillimum W.West & G.S.West (1895)
07 Pediastrum duplex var. irregulare G.R. Hegde & K. Somanna
08 Pediastrum duplex var. longicorne W. Krieger
09 Pediastrum duplex var. rugulosum Raciborski (1889)
10 Pediastrum duplex var. subgranulatum Racib. (1890)