Opinions from C. B. Ettinghausen 1880
- 'Abietineae belongs to Gymnospermae'
- 'Agave belongs to Liliaceae'
- 'Agave eocenica belongs to Agave' according to Ettinghausen and Gardner 1879
- 'Agave eocenica belongs to Agave'
- 'Amomum belongs to Zingiberaceae'
- 'Amomum sheppyense belongs to Amomum' according to Ettinghausen and Gardner 1879
- 'Amomum sheppyense belongs to Amomum'
- 'Callitris belongs to Cupressineae'
- 'Caulinites belongs to Najadeae'
- 'Caulinites sheppyensis belongs to Caulinites' according to Ettinghausen and Gardner 1879
- 'Caulinites sheppyensis belongs to Caulinites'
- 'Cocos burtinii is recombined as Nipa burtini'
- 'Cocos burtinii belongs to Cocos' according to Brongniart 1828
- 'Cocos parkinsonis is recombined as Nipa parkinsonis'
- 'Cupressineae belongs to Gymnospermae'
- 'Cupressinites comptonii is recombined as Callitris comptonii'
- 'Cupressinites corrugatus is recombined as Solenostrobus corrugatus'
- 'Cupressinites crassus is recombined as Hybothya crassa'
- 'Cupressinites curtus is recombined as Callitris curta'
- 'Cupressinites elongata is corrected as Cupressinites elongatus and belongs to Cupressinites'
- 'Cupressinites globosus belongs to Cupressinites'
- 'Cupressinites recurvatus belongs to Cupressinites'
- 'Cupressinites semiplotus is recombined as Solenostrobus semiplotus'
- 'Cupressinites subangulatus is recombined as Solenostrobus subangulatus'
- 'Cupressinites subfusiformis belongs to Cupressinites'
- 'Cupressinites sulcatus is recombined as Solenostrobus sulcatus'
- 'Cyperaceae belongs to Monocotyledones'
- 'Cyperites belongs to Cyperaceae'
- 'Cyperites eocenicus belongs to Cyperites' according to Ettinghausen and Gardner 1879
- 'Cyperites eocenicus belongs to Cyperites'
- 'Liliaceae belongs to Monocotyledones'
- 'Musa belongs to Musaceae'
- 'Musa eocenica belongs to Musa' according to Ettinghausen and Gardner 1879
- 'Musaceae belongs to Monocotyledones'
- 'Najadaceae is corrected as Najadeae and belongs to Monocotyledones'
- 'Nipadites is a subjective synonym of Nipa'
- 'Nipadites acutus is a subjective synonym of Nipa burtini'
- 'Nipadites clavatus is a subjective synonym of Nipa burtini'
- 'Nipadites crassus is a subjective synonym of Nipa burtini'
- 'Nipadites ellipticus is recombined as Nipa elliptica'
- 'Nipadites giganteus is a subjective synonym of Nipa burtini'
- 'Nipadites lanceolatus is recombined as Nipa lanceolata'
- 'Nipadites pruniformis is a subjective synonym of Nipa burtini'
- 'Nipadites pyramidalis is a subjective synonym of Nipa semiteres'
- 'Nipadites semiteres is recombined as Nipa semiteres'
- 'Nipadites turgidus is a subjective synonym of Nipa parkinsonis'
- 'Nipadites umbonatus is a subjective synonym of Nipa burtini'
- 'Palmae belongs to Monocotyledones'
- 'Petrophiloides cellularis is a subjective synonym of Sequoia bowerbankii'
- 'Petrophiloides cylindricus is a subjective synonym of Sequoia bowerbankii'
- 'Petrophiloides richardsonii is a subjective synonym of Sequoia bowerbankii'
- 'Pinus belongs to Abietineae'
- 'Pinus sheppyensis belongs to Pinus' according to Ettinghausen and Gardner 1879
- 'Pinus sheppyensis belongs to Pinus'
- 'Salisburia belongs to Taxineae'
- 'Salisburia eocenica belongs to Salisburia' according to Ettinghausen and Gardner 1879
- 'Sequoia belongs to Abietineae'
- 'Sequoia bowerbankii belongs to Sequoia' according to Ettingshausen and Gardner 1879
- 'Sequoia bowerbankii belongs to Sequoia'
- 'Smilacaceae [misspelled as Smilaceae] belongs to Monocotyledones'
- 'Smilax belongs to Smilaceae'
- 'Smilax pristina belongs to Smilax' according to Ettinghausen and Gardner 1879
- 'Taxineae belongs to Gymnospermae'
- 'Zingiberaceae belongs to Monocotyledones'