See text. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Divisions Green algae Chlorophyta Charophyta Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) †Rhyniophyta - rhyniophytes †Zosterophyllophyta - zosterophylls Lycopodiophyta - clubmosses †Trimerophytophyta - trimerophytes Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta... Classes Marattiopsida Osmundopsida Gleicheniopsida Pteridopsida A fern, or pteridophyte, is any one of a group of some twenty thousand species of plants classified in the Division Pteridophyta, formerly known as Filicophyta. ... Orders Marattiales Christenseniales The Marattiales are basal ferns that are quite different from many plants familiar to people in temperate zones. ... Orders Marattiales Christenseniales The Marattiopsida are primitive ferns that are largely quite different from many of the plants that are familiar to people in temperate zones. ... Categories: Possible copyright violations ...
Christensenia (syn.KaulfussiaC.Presl) is a genus of the botanicalfamily Marattiaceae. In scientific classification, synonymy is the existence of multiple systematic names to label the same organism. ... Karel Bořivoj Presl (1794-1852) was a Bohemian botanist He lived all his life in Prague, and was a professor at the University of Prague. ... See genus (mathematics) for the use of the term in mathematics. ... Pinguicula grandiflora Botany is the scientific study of plantlife. ... In biological classification, family (Latin: familia, plural familiae) is 1) a rank or 2) a taxon in that rank. ...
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