Opinions from A. B. Doweld 2001

  • 'Aneurophytaceae belongs to Aneurophytales'
  • 'Aneurophytales belongs to Aneurophytopsida'
  • 'Aneurophyton belongs to Aneurophytaceae'
  • 'Aneurophytophyta belongs to Cycadophytanae'
  • 'Aneurophytophytina belongs to Aneurophytophyta'
  • 'Aneurophytopsida belongs to Aneurophytophytina'
  • 'Angaropeltidaceae belongs to Umkomasiales'
  • 'Angaropeltis belongs to Angaropeltidaceae'
  • 'Angaropeltis piniforme belongs to Angaropeltis'
  • 'Angaropeltis sentjakense belongs to Angaropeltis'
  • 'Arberiaceae belongs to Arberiales'
  • 'Arberiales belongs to Arberiopsida'
  • 'Arberiopsida belongs to Peltaspermophyta'
  • 'Archaeopteridaceae belongs to Archaeopteridales'
  • 'Archaeopteridales belongs to Archaeopteridopsida'
  • 'Archaeopteridophyta is a subjective synonym of Aneurophytophyta'
  • 'Archaeopteridophytina belongs to Aneurophytophyta'
  • 'Archaeopteridopsida belongs to Archaeopteridophytina'
  • 'Archaeopteris belongs to Archaeopteridaceae'
  • 'Asterocalamitaceae belongs to Asterocalamitales'
  • 'Asterocalamitales belongs to Asterocalamitopsida'
  • 'Asterocalamitopsida belongs to Equisetophyta'
  • 'Asterothecales belongs to Marattiopsida'
  • 'Autophyllitaceae belongs to Autophyllitales'
  • 'Autophyllitales belongs to Asterocalamitopsida'
  • 'Autuniaceae belongs to Peltaspermales'
  • 'Botryopteridiaceae belongs to Botryopteridiales'
  • 'Botryopteridiales belongs to Botryopteridiopsida'
  • 'Botryopteridiophyta belongs to Pteridophytanae'
  • 'Botryopteridiopsida belongs to Botryopteridiophyta'
  • 'Botryopteridium belongs to Botryopteridiaceae'
  • 'Breyteniaceae belongs to Dictyopteridiales'
  • 'Bryobiotina belongs to Tracheophyta'
  • 'Calamitales belongs to Calamitopsida'
  • 'Calamitopsida belongs to Equisetophyta'
  • 'Calamocarpales belongs to Calamitopsida'
  • 'Calathiopsidaceae belongs to Pullarithecales'
  • 'Cardiolepis is replaced by Angaropeltis'
  • 'Cardiolepis sentjakensis belongs to Cardiolepis' according to Esaulova 1986
  • 'Cardiolepis sentjakensis is an objective synonym of Angaropeltis sentjakense'
  • 'Cingulariaceae belongs to Calamitales'
  • 'Cladoxylophyta belongs to Pteridophytanae'
  • 'Cladoxylopsida belongs to Cladoxylophyta'
  • 'Codonospermaceae belongs to Codonospermales'
  • 'Codonospermales belongs to Pachytestopsida'
  • 'Colpospermaceae belongs to Hexapterospermales'
  • 'Cooksoniales belongs to Zosterophyllopsida'
  • 'Cordaitopsida belongs to Pinophyta'
  • 'Cornucarpaceae belongs to Callistophytales'
  • 'Crossothecaceae belongs to Crossothecales'
  • 'Crossothecales belongs to Urnatopteridopsida'
  • 'Crossozamiaceae belongs to Cycadales'
  • 'Cycadaceae belongs to Cycadales'
  • 'Cycadales belongs to Cycadopsida'
  • 'Cycadeoideales belongs to Cycadeoideopsida'
  • 'Cycadeoideophyta belongs to Cycadophytanae'
  • 'Cycadeoideopsida belongs to Cycadeoideophyta'
  • 'Cycadophyta belongs to Cycadophytanae'
  • 'Cycadophytanae belongs to Pteridobiotina'
  • 'Cycadopsida belongs to Cycadophyta'
  • 'Denkaniaceae belongs to Lidgettoniales'
  • 'Dictyopteridiaceae belongs to Dictyopteridiales'
  • 'Dictyopteridiales belongs to Dictyopteridiopsida'
  • 'Dictyopteridiopsida belongs to Peltaspermophyta'
  • 'Dioaceae belongs to Dioales'
  • 'Dioales belongs to Cycadopsida'
  • 'Dioon belongs to Dioaceae'
  • 'Discopteridaceae belongs to Discopteridales'
  • 'Discopteridales belongs to Urnatopteridopsida'
  • 'Echinostachyales belongs to Equisetopsida'
  • 'Equisetophyta belongs to Pteridophytanae'
  • 'Equisetopsida belongs to Equisetophyta'
  • 'Ferugliocladales belongs to Voltziopsida'
  • 'Filicopsida is a subjective synonym of Pteridopsida'
  • 'Ginkgoopsida belongs to Ginkgophyta'
  • 'Glossopteridaceae is a subjective synonym of Dictyopteridiaceae'
  • 'Glossopteridopsida is a subjective synonym of Dictyopteridiopsida'
  • 'Gnetophyta belongs to Cycadophytanae'
  • 'Gnetopsida belongs to Gnetophyta'
  • 'Gnetopsidaceae belongs to Pullarithecales'
  • 'Gondwanostachyales belongs to Equisetopsida'
  • 'Hexapterospermaceae belongs to Hexapterospermales'
  • 'Hexapterospermales belongs to Lyginopteridopsida'
  • 'Isoetophyta belongs to Lycopodiobiotina'
  • 'Isoetophytina belongs to Isoetophyta'
  • 'Jurinodendraceae belongs to Jurinodendrales'
  • 'Jurinodendrales belongs to Lepidocarpopsida'
  • 'Jurinodendron belongs to Jurinodendraceae'
  • 'Kallostachyaceae belongs to Calamitales'
  • 'Karkeniaceae belongs to Karkeniales'
  • 'Karkeniales belongs to Umaltolepididae'
  • 'Konnostachyaceae belongs to Gondwanostachyales'
  • 'Konnostachys belongs to Konnostachyaceae'
  • 'Langiophytaceae belongs to Langiophytales'
  • 'Langiophytales belongs to Langiophytopsida'
  • 'Langiophytophyta belongs to Bryobiotina'
  • 'Langiophytopsida belongs to Langiophytophyta'
  • 'Leclercqiaceae belongs to Leclercqiales'
  • 'Leclercqiales belongs to Leclercqiopsida'
  • 'Leclercqiophytina belongs to Isoetophyta'
  • 'Leclercqiopsida belongs to Leclercqiophytina'
  • 'Lepidocarpopsida belongs to Isoetophytina'
  • 'Leuthardtiaceae belongs to Peltaspermales'
  • 'Lidgettoniales belongs to Dictyopteridiopsida'
  • 'Lycopodiobiotina belongs to Tracheophyta'
  • 'Lycopodiophyta belongs to Lycopodiobiotina'
  • 'Lycopodiopsida belongs to Lycopodiophyta'
  • 'Lyginopteridopsida belongs to Cycadophytanae'
  • 'Lyonophytaceae belongs to Lyonophytales'
  • 'Lyonophytales belongs to Langiophytopsida'
  • 'Magnoliophyta belongs to Cycadophytanae'
  • 'Marattiophyta belongs to Pteridophytanae'
  • 'Marattiopsida belongs to Marattiophyta'
  • 'Miadesmiales belongs to Selaginellopsida'
  • 'Moresnetiales belongs to Moresnetiopsida'
  • 'Moresnetiophyta belongs to Cycadophytanae'
  • 'Moresnetiopsida belongs to Moresnetiophyta'
  • 'Neomariopteridaceae belongs to Neomariopteridales'
  • 'Neomariopteridales belongs to Botryopteridiopsida'
  • 'Neurophyllaceae is replaced by Konnostachyaceae'
  • 'Noeggerathiophyta belongs to Cycadophytanae'
  • 'Ophioglossophyta belongs to Pteridophytanae'
  • 'Otoviciaceae belongs to Walchiales'
  • 'Pachytestaceae belongs to Pachytestales'
  • 'Pachytestales belongs to Pachytestopsida'
  • 'Pachytestopsida belongs to Cycadophyta'
  • 'Palissyales belongs to Voltziopsida'
  • 'Parabotryopteridium belongs to Botryopteridiaceae'
  • 'Parthaceae belongs to Lidgettoniales'
  • 'Peltaspermales belongs to Peltaspermopsida'
  • 'Peltaspermophyta belongs to Cycadophytanae'
  • 'Peltaspermopsida belongs to Peltaspermophyta'
  • 'Pentoxylopsida belongs to Peltaspermophyta'
  • 'Phasmatocycadaceae belongs to Phasmatocycadales'
  • 'Phasmatocycadales belongs to Phasmatocycadopsida'
  • 'Phasmatocycadopsida belongs to Cycadophyta'
  • 'Pinales belongs to Pinopsida'
  • 'Pinophyta belongs to Cycadophytanae'
  • 'Pinopsida belongs to Pinophyta'
  • 'Podocarpopsida belongs to Pinophyta'
  • 'Polylophospermaceae belongs to Pachytestales'
  • 'Polypodiophyta is a subjective synonym of Pteridophyta'
  • 'Polypodiopsida is a subjective synonym of Pteridopsida'
  • 'Primofilix belongs to Botryopteridiaceae'
  • 'Psilophytaceae belongs to Psilophytales'
  • 'Psilophytales belongs to Psilophytopsida'
  • 'Psilophyton belongs to Psilophytaceae'
  • 'Psilophytophyta belongs to Psylophytanae'
  • 'Psilophytopsida belongs to Psilophytophyta'
  • 'Psylophytanae belongs to Pteridobiotina'
  • 'Psilophytanae is a misspelling of Psylophytanae'
  • 'Pteridobiotina belongs to Tracheophyta'
  • 'Pteridophyta belongs to Pteridophytanae'
  • 'Pteridophytanae belongs to Pteridobiotina'
  • 'Pteridopsida belongs to Pteridophyta'
  • 'Ptychocarpaceae belongs to Asterothecales'
  • 'Pullarithecaceae belongs to Pullarithecales'
  • 'Pullarithecales belongs to Moresnetiopsida'
  • 'Renaliaceae belongs to Zosterophyllales'
  • 'Rhyniaceae belongs to Rhyniales'
  • 'Rhyniales belongs to Rhyniopsida'
  • 'Rhyniophyta belongs to Psylophytanae'
  • 'Rhyniopsida belongs to Rhyniophyta'
  • 'Rigbyales belongs to Dictyopteridiopsida'
  • 'Rufloriaceae is a subjective synonym of Vojnovskyaceae'
  • 'Selaginellophytina belongs to Isoetophyta'
  • 'Selaginellopsida belongs to Selaginellophytina'
  • 'Senftenbergiales belongs to Botryopteridiopsida'
  • 'Sphenophyllophyta belongs to Pteridophytanae'
  • 'Sporophyllitaceae belongs to Sporophyllitales'
  • 'Sporophyllitales belongs to Peltaspermopsida'
  • 'Stauropteridopsida belongs to Botryopteridiophyta'
  • 'Steloxylaceae belongs to Steloxylales'
  • 'Steloxylales belongs to Cladoxylopsida'
  • 'Stephanospermaceae belongs to Pachytestales'
  • 'Sturianthaceae belongs to Cycadeoideales'
  • 'Taxopsida belongs to Pinophyta'
  • 'Tracheophyta was reranked as a unranked clade and belongs to Plantae'
  • 'Trichopityaceae belongs to Trichopityales'
  • 'Trichopityales belongs to Peltaspermopsida'
  • 'Trimerophytaceae belongs to Psilophytales'
  • 'Trimerophytales is a subjective synonym of Psilophytales'
  • 'Trimerophyton belongs to Trimerophytaceae'
  • 'Trimerophytophyta is a subjective synonym of Psilophytophyta'
  • 'Trimerophytopsida is a subjective synonym of Psilophytopsida'
  • 'Ullmanniales belongs to Voltziopsida'
  • 'Umaltolepidales belongs to Umaltolepididae'
  • 'Umaltolepididae belongs to Ginkgoopsida'
  • 'Umkomasiales belongs to Peltaspermopsida'
  • 'Urnatopteridaceae belongs to Urnatopteridales'
  • 'Urnatopteridales belongs to Urnatopteridopsida'
  • 'Urnatopteridopsida belongs to Botryopteridiophyta'
  • 'Vojnovskyaceae belongs to Vojnovskyales'
  • 'Vojnovskyales belongs to Arberiopsida'
  • 'Voltziaceae belongs to Voltziales'
  • 'Voltziales belongs to Voltziopsida'
  • 'Voltziopsida belongs to Pinophyta'
  • 'Zosterophyllales belongs to Zosterophyllopsida'
  • 'Zosterophyllophyta belongs to Lycopodiobiotina'
  • 'Zosterophyllopsida belongs to Zosterophyllophyta'