Registered 23,131 species  (Collections:371,610; Observations:72,812; Other records:4,270)
Classification : Eukarya - Bikonta
真核生物ドメイン - Bikonta

Kingdom Plantae        植物界

Cavalier-Smith, T. (1998) A revised six-kingdom system of life. Biological Reviews, 73, 203-266. 
Yoon, H. S., Zuccarello, G. C. and D. Bhattacharya (2010) Evolutionary history and taxonomy of red algae. In: J. Seckbach and D. J. Chapman (eds.), Red algae in the genomic age, Cellular origin, life in extreme habitats and astrobiology 13. Springer Netherlands. pp. 25-42.