A proposed phylogeny of the Plantae after Kenrick and Crane[15] is as follows, with modification to the Pteridophyta from Smith et al.[16] The Prasinophyceae may be a paraphyletic basal group to all green plants.
Prasinophyceae (micromonads)
Streptobionta
Embryophytes
Stomatophytes
Polysporangiates
Tracheophytes
Eutracheophytes
Euphyllophytina
Lignophytia
Spermatophytes (seed plants)
Progymnospermophyta
Pteridophyta
Pteridopsida (true ferns)
Marattiopsida
Equisetopsida (horsetails)
Psilotopsida (whisk ferns & adders'-tongues)
Cladoxylopsida
Lycophytina
Lycopodiophyta
Zosterophyllophyta
Rhyniophyta
Aglaophyton
Horneophytopsida
Bryophyta (mosses)
Anthocerotophyta (hornworts)
Marchantiophyta (liverworts)
Charophyta
Chlorophyta
Trebouxiophyceae (Pleurastrophyceae)
Chlorophyceae
Ulvophyceae