23231113
[Thalloid algae] (thallus with articulation)
- 0 Hegel's 'System of Science'
- 1 Logic (Thinking of Thinking, Science of Science)
- 2 Nature (science of matter)
- 3 Spirit/Mind (Science of humanities)
- 21 Mechanics
- 22 Physics (including Chemistry)
- 23 Organism / Life (Subjectivity)
- 231 The Earth (Geology)
- 232 Plant life (biology of the vegetal)
- 233 Animal life (biology of the animal)
- 2321 Shapes of plant life
- 2322 Plant relation to its enviroment
- 2323 Genus process of the plants
- 23231 [Special plant species]
- 23232 Beginnings of sexual organs
- 23233 Fertilization
- 232311 [Thallophytes] (without root, shoot or leaf)
- 232312 [Spore plants] (alternation of generations, dispersal by spores)
- 232313 [Seed plants] (seed instead of spore)
- 2323111 [Algae] (life out of light)
- 2323112 [Fungi] (life out of consuming)
- 2323113 [Lichen] (fungus-alga unit)
- 23231111 [Algal colonies] (cell aggregates without articulation: Volvox)
- 23231112 [Filamentous algae] (Spirogyra)
- 23231113 [Thalloid algae] (thallus with articulation)
- 232311131 [Red Algae]
- 232311132 [Brown algae] (kelp)
- 232311133 [Green algae and stoneworts] (sister group of the land plants)