| Cattleya Dora LawrenceC. Dora Lawrence | | Jan 1 1954 | Cosanka |
| Cattleya TriopasC. Triopas | | Jan 1 1913 | T. Lawrence |
| Cattleya Adolphi-IrisC. Adolphi-Iris | | Jan 1 1912 | T. Lawrence |
| Catyclia Nemorale-GigasCty. Nemorale-Gigasintergenericprimary | | Feb 4 1911 | T. Lawrence |
| Cyrtochilum Ramos-EdwardiiCyr. Ramos-Edwardiiprimary | | Jan 1 1911 | T. Lawrence |
| Cattleya Fascinator-MossiaeC. Fascinator-Mossiae | | Jan 1 1911 | T. Lawrence |
| Oncidium SwietenicolorOnc. Swietenicolor | | Jan 1 1911 | T. Lawrence |
| Paphiopedilum EurybiadesPaph. Eurybiades | | Jan 1 1911 | T. Lawrence |
| Rhyncholaeliocattleya TriuneRlc. Triuneintergeneric | | Jan 1 1911 | T. Lawrence |
| Cattleya BletchleyfloraC. Bletchleyflora | | Jan 1 1910 | T. Lawrence |
| Dendrobium WiganatumDen. Wiganatum | | Jan 1 1910 | T. Lawrence |
| Dendrobium AinsworthatumDen. Ainsworthatum | | Jan 1 1910 | T. Lawrence |
| Cattleya TrimyraC. Trimyra | | Jan 1 1910 | T. Lawrence |
| Masdevallia BockingensisMasd. Bockingensisprimary | | Jan 1 1909 | Courtauld |
| Laeliocattleya BellaLc. Bellaintergenericprimary | | Jan 1 1908 | T. Lawrence |
| Laeliocattleya LawrenceiLc. Lawrenceiintergenericprimary | | Jan 1 1908 | T. Lawrence |
| Cattleya Alcides (1908)C. Alcides (1908)primary | | Jan 1 1908 | T. Lawrence |
| Cattleya Adolph-HarrisonianaC. Adolph-Harrisoniana | | Jan 1 1908 | T. Lawrence |
| Cattlianthe Pum-EximiaCtt. Pum-Eximiaintergeneric | | Jan 1 1908 | T. Lawrence |
| Laeliocattleya Purple MayLc. Purple Mayintergenericprimary | | Jan 1 1907 | T. Lawrence |
| Cattleya TempleanaC. Templeana | | Jan 1 1907 | T. Lawrence |
| Epicattleya LawrenceiEpc. Lawrenceiintergenericprimary | | Jan 1 1905 | T. Lawrence |
| Epicattleya Gaskello-ParkinsoniiEpc. Gaskello-Parkinsoniiintergenericprimary | | Jan 1 1905 | T. Lawrence |
| Epidendrum Radico-xanthinumEpi. Radico-xanthinumprimary | | Jan 1 1905 | T. Lawrence |
| Paphiopedilum Sandero-selligerumPaph. Sandero-selligerum | | Dec 17 1904 | T. Lawrence |
| Dendrobium MyraDen. Myraprimary | | Jan 1 1904 | T. Lawrence |
| Laeliocattleya Autumno-cinnabarinaLc. Autumno-cinnabarinaintergenericprimary | | Jan 1 1903 | T. Lawrence |
| Cattleychea Vitell-BrosaCtyh. Vitell-Brosaintergenericprimary | | Jan 1 1902 | T. Lawrence |
| Paphiopedilum BerkeleyanumPaph. Berkeleyanumprimary | | Jan 1 1902 | T. Lawrence |
| Catyclia WhiteiCty. Whiteiintergenericprimary | | Jan 1 1902 | T. Lawrence |
| Cattleychea LawrenceiCtyh. Lawrenceiintergenericprimary | | Jan 1 1902 | T. Lawrence |
| Masdevallia FerrieriensisMasd. Ferrieriensisprimary | | Jan 1 1902 | T. Lawrence |
| Masdevallia Igneo-EstradaeMasd. Igneo-Estradaeprimary | | Jan 1 1902 | T. Lawrence |
| Cattleya Praestans-bicolorC. Praestans-bicolorprimary | | Jan 1 1902 | T. Lawrence |
| Paphiopedilum Chamber-insignePaph. Chamber-insigneprimary | | Jan 1 1901 | T. Lawrence |
| Laeliocattleya HighburyensisLc. Highburyensisprimary | | May 26 1900 | T. Lawrence |
| Paphiopedilum Rothschildiano-tonsumPaph. Rothschildiano-tonsumprimary | | Jan 1 1900 | T. Lawrence |
| Dendrobium MelpomeneDen. Melpomene | | Jan 1 1900 | T. Lawrence |
| Paphiopedilum Rothschildiano-lawrenceanumPaph. Rothschildiano-lawrenceanumprimary | | Jan 1 1900 | T. Lawrence |
| Calanthe LimatodesCal. Limatodes | | Jan 1 1900 | T. Lawrence |
| Paphiopedilum SolonPaph. Solonprimary | | Jan 1 1900 | T. Lawrence |
| Paphiopedilum Chamberlaino-insignePaph. Chamberlaino-insigneprimary | | Jan 1 1900 | T. Lawrence |
| Paphiopedilum Laevigato-purpuratumPaph. Laevigato-purpuratumprimary | | Jan 1 1900 | T. Lawrence |
| Paphiopedilum Rothschildiano-superbiensPaph. Rothschildiano-superbiensprimary | | Jan 1 1900 | T. Lawrence |
| Paphiopedilum PhiloPaph. Philoprimary | | Jan 1 1900 | T. Lawrence |
| Masdevallia FalcataMasd. Falcataprimary | | Jan 1 1899 | T. Lawrence |
| Paphiopedilum RichmaniiPaph. Richmaniiprimary | | Jan 1 1899 | T. Lawrence |
| Calanthe RevertensCal. Revertensintergenericprimary | | Dec 13 1898 | T. Lawrence |
| Cattleya Saint BenoitC. Saint Benoitprimary | | Jan 1 1898 | T. Lawrence |
| Calanthe LabrosiorCal. Labrosiorprimary | | Jan 1 1898 | T. Lawrence |
| Coelogyne BurfordienseCoel. Burfordienseprimary | | Jan 1 1898 | T. Lawrence |
| Paphiopedilum Argo-MorganiaePaph. Argo-Morganiae | | Jan 1 1898 | T. Lawrence |
| Dendrobium The PearlDen. The Pearl | | Jan 1 1898 | T. Lawrence |
| Paphiopedilum Lady Audrey BullerPaph. Lady Audrey Buller | | Jan 1 1898 | T. Lawrence |
| Dendrobium RainbowDen. Rainbow | | Jan 1 1898 | T. Lawrence |
| Dendrobium Formoso-LowiiDen. Formoso-Lowiiprimary | | Jan 1 1898 | T. Lawrence |
| Brassocattleya LindleyanoelegansBc. Lindleyanoelegansintergeneric | | Dec 18 1897 | T. Lawrence |
| Brassocattleya LawrenceiBc. Lawrenceiintergenericprimary | | Dec 18 1897 | T. Lawrence |
| Epidendrum Xantho-RadicansEpi. Xantho-Radicansprimary | | Jan 1 1897 | T. Lawrence |
| Paphiopedilum Hirsuto-sallieriPaph. Hirsuto-sallieri | | Jan 1 1897 | T. Lawrence |
| Cattleya Janet (1897)C. Janet (1897)primary | | Jan 1 1897 | T. Lawrence |
| Epidendrum Xantho-RadiansEpi. Xantho-Radiansprimary | | Jan 1 1897 | T. Lawrence |
| Paphiopedilum PlatycolorPaph. Platycolorprimary | | Jan 1 1896 | T. Lawrence |
| Dendrobium EuterpeDen. Euterpeprimary | | Jan 1 1896 | T. Lawrence |
| Dendrobium Kingiano-speciosumDen. Kingiano-speciosum | | Jan 1 1896 | T. Lawrence |
| Cattleya Thetis (1896)C. Thetis (1896) | | Jan 1 1896 | T. Lawrence |
| Paphiopedilum Barbato-bellatulumPaph. Barbato-bellatulumprimary | | Jan 1 1896 | T. Lawrence |
| Dendrobium ThaliaDen. Thalia | | Jan 1 1896 | T. Lawrence |
| Dendrobium ClioDen. Clio | | Jan 1 1896 | T. Lawrence |
| Cymbidium Lowio-EburneumCym. Lowio-Eburneumprimary | | Jan 1 1896 | T. Lawrence |
| Paphiopedilum Calloso-bellumPaph. Calloso-bellumprimary | | Jan 1 1896 | T. Lawrence |
| Paphiopedilum Callo-bellumPaph. Callo-bellumprimary | | Jan 1 1896 | T. Lawrence |
| Paphiopedilum Miss Clara MeasuresPaph. Miss Clara Measuresprimary | | Jan 1 1896 | T. Lawrence |
| Paphiopedilum Sanderi-selligerumPaph. Sanderi-selligerum | | Jan 1 1895 | T. Lawrence |
| Calanthe CastaCal. Castaprimary | | Jan 1 1895 | T. Lawrence |
| Dendrobium Heterocarpo-nobileDen. Heterocarpo-nobileprimary | | Jan 1 1895 | T. Lawrence |
| Paphiopedilum Dido (1895)Paph. Dido (1895) | | Jan 1 1895 | T. Lawrence |
| Dendrobium PallensDen. Pallens | | Jan 1 1894 | T. Lawrence |
| Dendrobium DidoDen. Dido | | Jan 1 1894 | T. Lawrence |
| Dendrobium LunaDen. Luna | | Jan 1 1894 | T. Lawrence |
| Dendrobium HebeDen. Hebe | | Jan 1 1894 | T. Lawrence |
| Paphiopedilum The PardPaph. The Pardprimary | | Jan 1 1894 | T. Lawrence |
| Paphiopedilum HarrisifroyaePaph. Harrisifroyae | | Jan 1 1893 | T. Lawrence |
| Dendrobium BurfordienseDen. Burfordienseprimary | | Jan 1 1893 | T. Lawrence |
| Paphiopedilum Conco-LawrePaph. Conco-Lawreprimary | | Jan 1 1893 | T. Lawrence |
| Paphiopedilum Harrisi-FroyaePaph. Harrisi-Froyae | | Jan 1 1893 | T. Lawrence |
| Paphiopedilum Oeno-SuperbiensPaph. Oeno-Superbiens | | Jan 1 1893 | T. Lawrence |
| Dendrobium Specio-kingianumDen. Specio-kingianum | | Jan 1 1892 | T. Lawrence |
| Paphiopedilum LaurebellumPaph. Laurebellumprimary | | Jan 1 1892 | T. Lawrence |
| Paphiopedilum LansbergeaePaph. Lansbergeaeprimary | | Jan 1 1892 | T. Lawrence |
| Calanthe BurfordiensisCal. Burfordiensisprimary | | Jan 1 1892 | T. Lawrence |
| Paphiopedilum LawrebelPaph. Lawrebelprimary | | Jan 1 1892 | T. Lawrence |
| Paphiopedilum LawrebellumPaph. Lawrebellumprimary | | Jan 1 1892 | T. Lawrence |
| Masdevallia ShuttryanaMasd. Shuttryanaprimary | | Jan 1 1892 | T. Lawrence |
| Dendrobium Kingianum-speciosumDen. Kingianum-speciosumprimary | | Jan 1 1892 | T. Lawrence |
| Calanthe VersicolorCal. Versicolorprimary | | Jan 1 1891 | T. Lawrence |
| Dendrobium XanthocentrumDen. Xanthocentrumprimary | | Jan 1 1890 | T. Lawrence |
| Dendrobium XanthocentronDen. Xanthocentronprimary | | Jan 1 1890 | T. Lawrence |
| Calanthe Rosea Cal. Rosea | | Jan 1 1890 | T. Lawrence |
| Calanthe Victoria ReginaCal. Victoria Regina | | Jan 1 1890 | T. Lawrence |
| Dendrobium JunoDen. Junoprimary | | Jan 1 1890 | T. Lawrence |
| Paphiopedilum PicturatumPaph. Picturatumprimary | | Jan 1 1889 | T. Lawrence |
| Paphiopedilum BurfordiensePaph. Burfordienseprimary | | Dec 22 1888 | T. Lawrence |
| Dendrobium ChlorosteleDen. Chlorosteleprimary | | Jan 1 1887 | T. Lawrence |
| Dendrobium ChrysodiscusDen. Chrysodiscus | | Jan 1 1887 | T. Lawrence |
| Calanthe SanguinariaCal. Sanguinariaprimary | | Jan 1 1886 | T. Lawrence |
| Calanthe PorphyreaCal. Porphyreaprimary | | Jan 1 1884 | T. Lawrence |
| Paphiopedilum LeeanumPaph. Leeanumprimary | | Jan 1 1884 | T. Lawrence |
| Paphiopedilum Lowii-superbiensPaph. Lowii-superbiensprimary | | Jan 1 1882 | T. Lawrence |
| Oncidium Alexandrae (1879)Onc. Alexandrae (1879)primary | | Jan 1 1879 | O/U |
| Dendrobium MelanodiscusDen. Melanodiscus | | Jan 1 1877 | T. Lawrence |