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 Scenedesmaceae Oltmanns
Genus Scenedesmusᵀ F.J.F. Meyen (1829)
Scenedesmus quadricauda (Turpin) L.A. de Bréb., in L.A. de Bréb. & L.L. Godey (1835)
01 Scenedesmus quadricauda f. crassiaculeatus Uherkovich
02 Scenedesmus quadricauda f. granulatus T. Hortobágyi (1960)
03 Scenedesmus quadricauda f. minus Ralfs
04 Scenedesmus quadricauda var. armatus (Chodat) Deduss.
05 Scenedesmus quadricauda var. dispar Bréb.
06 Scenedesmus quadricauda var. ecornis Francé
07 Scenedesmus quadricauda var. horridus Kirchner
08 Scenedesmus quadricauda var. incurvus Playfair
09 Scenedesmus quadricauda var. inermius Playfair
10 Scenedesmus quadricauda var. longispinus G.M. Sm.
11 Scenedesmus quadricauda var. maximus W.West & G.S.West (1895)
12 Scenedesmus quadricauda var. parvus G.M. Sm. (1916)
13 Scenedesmus quadricauda var. quadrispina (R.H. Chodat, 1913) G.M. Sm. (1916)