Opinions from C. A. Lapasha and C. N. Miller 1985

  • 'Acrostichopteris belongs to Filicales'
  • 'Acrostichopteris longipennis belongs to Acrostichopteris'
  • 'Arcellites belongs to Marsileales'
  • 'Bennettitales belongs to Cycadopsida'
  • 'Caytoniaceae belongs to Caytoniales'
  • 'Caytoniales belongs to Pteridospermopsida'
  • 'Cladophlebis belongs to Filicales'
  • 'Cladophlebis virginiensis belongs to Cladophlebis'
  • 'Coniopteris belongs to Thyrsopterideae'
  • 'Cycadopsida belongs to Cycadophyta'
  • 'Dicksoniaceae belongs to Filicales'
  • 'Diettertia belongs to Jungermanniales'
  • 'Diettertia montanensis belongs to Diettertia'
  • 'Dipteridaceae belongs to Filicales'
  • 'Equisetaceae belongs to Equisetales'
  • 'Equisetales belongs to Sphenopsida'
  • 'Equisetum belongs to Equisetaceae'
  • 'Equisetum cascadensis belongs to Equisetum'
  • 'Equisetum montanense [misspelled as Equisetum montanensis] belongs to Equisetum'
  • 'Filicales belongs to Filicopsida'
  • 'Filicopsida belongs to Pteridophyta'
  • 'Ginkgo belongs to Ginkgoaceae'
  • 'Ginkgo pluripartita belongs to Ginkgo'
  • 'Ginkgoaceae belongs to Ginkgoales'
  • 'Ginkgoales belongs to Coniferopsida'
  • 'Ginkgoales belongs to Ginkgophyta'
  • 'Hausmannia belongs to Dipteridaceae'
  • 'Hausmannia montanensis belongs to Hausmannia'
  • 'Hepaticae belongs to Bryophyta'
  • 'Isoetales belongs to Lycopsida'
  • 'Jungermanniales belongs to Hepaticae'
  • 'Klukia belongs to Schizaeaceae'
  • 'Klukia canadensis belongs to Klukia'
  • 'Lycopsida belongs to Lycophyta'
  • 'Marchantiaceae belongs to Marchantiales'
  • 'Marchantiales belongs to Hepaticae'
  • 'Marchantiolites belongs to Marchantiaceae'
  • 'Marsileales belongs to Filicopsida'
  • 'Metzgeriales belongs to Hepaticae'
  • 'Metzgeriites belongs to Metzgeriales'
  • 'Minerisporites belongs to Isoetales'
  • 'Parazollopsis belongs to Salviniales'
  • 'Pseudocycas belongs to Bennettitales'
  • 'Pseudocycas douglasii belongs to Pseudocycas'
  • 'Pteridospermopsida belongs to Pteridospermophyta'
  • 'Sagenopteris belongs to Caytoniaceae'
  • 'Sagenopteris elliptica belongs to Sagenopteris'
  • 'Sagenopteris mclearni belongs to Sagenopteris'
  • 'Sagenopteris williamsii belongs to Sagenopteris'
  • 'Schizaeaceae belongs to Filicales'
  • 'Sphenopsida belongs to Sphenophyta'
  • 'Sphenopteris belongs to Filicales'
  • 'Sphenopteris hymenophylloides is recombined as Coniopteris hymenophylloides'
  • 'Thyrsopterideae belongs to Dicksoniaceae'
  • 'Zamites belongs to Bennettitales'
  • 'Zamites arcticus belongs to Zamites'