| Oncidium Speculation | 29 May 2021 | Oncidium Lois Posey × Oncidium Eximium |
| Oncidium Goldilocks | 01 Jan 1957 | Oncidium Eximium × Oncidium Brimstone Butterfly |
| Oncidium Roxy | 01 Jan 1953 | Oncidium Aphrodite (1917-1) × Oncidium Eximium |
| Oncidopsis Catana | 01 Jan 1939 | Oncidopsis Bleu-Ardent × Oncidium Eximium |
| Oncidium Mermaid | 01 Jan 1938 | Oncidium Eximium × Oncidium Mercutans |
| Oncidium Siegfrieda | 01 Jan 1937 | Oncidium Eximium × Oncidium His Majesty |
| Oncidium Isabelle Dewar-Durie | 01 Jan 1937 | Oncidium Eximium × Oncidium Omar |
| Oncidium Judith II | 01 Jan 1936 | Oncidium Crethus × Oncidium Eximium |
| Oncidium Avril | 01 Jan 1936 | Oncidium Eximium × Oncidium Titan |
| Oncidium Nene | 01 Jan 1936 | Oncidium Eximium × Oncidium Miguelito |
| Oncidium Silvius | 01 Jan 1935 | Oncidium Eximium × Oncidium Harlequin (1906) |
| Oncidium Norium | 01 Jan 1935 | Oncidium Eximium × Oncidium Nora (1918) |
| Oncidium Lisette | 01 Jan 1934 | Oncidium Codeham × Oncidium Eximium |
| Oncidium Loraine | 01 Jan 1934 | Oncidium Couronne d'Or (1931) × Oncidium Eximium |
| Oncidium Elsbeth | 01 Jan 1933 | Oncidium Eximium × Oncidium Molly |
| Oncidium Sylvia (1933) | 01 Jan 1933 | Oncidium Norma (1919) × Oncidium Eximium |
| Oncidium W. Hanbury Aggs | 01 Jan 1933 | Oncidium Eximium × Oncidium Sylvia M. Aggs |
| Oncidium Mimas | 01 Jan 1933 | Oncidium Eximium × Oncidium Saint Mungo |
| Oncidium Rosex | 01 Jan 1933 | Oncidium Eximium × Oncidium Rosina |
| Oncidium Tethys | 01 Jan 1933 | Oncidium Eximium × Oncidium Toreador |
| Oncidium Jessie | 01 Jan 1932 | Oncidium Phyllis (1914) × Oncidium Eximium |
| Oncidium Editha | 01 Jan 1931 | Oncidium Eximium × Oncidium Thyades |
| Oncidium Barbara Cursham | 01 Jan 1931 | Oncidium Eximium × Oncidium Phyllis Cursham |
| Oncidium Elsie (1931) | 01 Jan 1931 | Oncidium Dodeham × Oncidium Eximium |
| Oncidium Berenice (1931) | 01 Jan 1931 | Oncidium Berham × Oncidium Eximium |
| Oncidium Lucretia (1931) | 01 Jan 1931 | Oncidium President Harding (S) × Oncidium Eximium |
| Oncidium Portland | 01 Jan 1931 | Oncidium Eximium × Oncidium Faustina |
| Oncidium Brading | 01 Jan 1931 | Oncidium Conqueror × Oncidium Eximium |
| Oncidium Casablanca | 01 Jan 1931 | Oncidium Amabelicity × Oncidium Eximium |
| Oncidium Sidley | 01 Jan 1931 | Oncidium Eximium × Oncidium Lilian (1917) |
| Oncidium Cluny | 01 Jan 1931 | Oncidium Eximium × Oncidium Llewellyn |
| Oncidium Mrs. Grant | 01 Jan 1931 | Oncidium Dreadnought × Oncidium Eximium |
| Oncidium Alcides (1931) | 01 Jan 1931 | Oncidium Eximium × Oncidium Iago |
| Oncidium Ivan | 01 Jan 1931 | Oncidium Eximium × Oncidium Illustre (1908) |
| Oncidium Clifton (1930) | 01 Jan 1930 | Oncidium Europa × Oncidium Eximium |
| Oncostele Amiens | 01 Jan 1930 | Oncostele Graireana × Oncidium Eximium |
| Oncidium Harrow | 01 Jan 1930 | Oncidium Eileen × Oncidium Eximium |
| Oncidium Prince of Orange | 01 Jan 1930 | Oncidium Eximium × Oncidium Xanthinum |
| Cyrtocidium Colorata | 01 Jan 1928 | Cyrtocidium Brindlejonc × Oncidium Eximium |
| Oncidium Chailey | 01 Jan 1928 | Oncidium Eximium × Oncidium Tityus |
| Oncidium Chelwood | 01 Jan 1928 | Oncidium Eximium × Oncidium Rosefieldense |
| Oncidium Elva | 01 Jan 1928 | Oncidium Alcantara × Oncidium Eximium |
| Oncidium Eximensis | 01 Jan 1928 | Oncidium Daltonensis × Oncidium Eximium |
| Oncidium Ben Hur | 01 Jan 1928 | Oncidium Joiceyi × Oncidium Eximium |
| Oncidium Lottie | 01 Jan 1927 | Oncidium Eximium × Oncidium Louise |
| Oncidium Mignon | 01 Jan 1927 | Oncidium Gwendoline × Oncidium Eximium |
| Oncidium Nebo | 01 Jan 1927 | Oncidium Nada × Oncidium Eximium |
| Oncidium Comet | 01 Jan 1927 | Oncidium Britannia × Oncidium Eximium |
| Oncidium Amita | 01 Jan 1927 | Oncidium Eximium × Oncidium Purple Queen |
| Oncidium Nubia | 01 Jan 1926 | Oncidium Eximium × Oncidium Saint James |
| Oncidium Orlando | 01 Jan 1926 | Oncidium Eximium × Oncidium Saint George |
| Oncidium Brunius | 01 Jan 1925 | Oncidium Eximium × Oncidium Princess Yolande |
| Oncidium Maharanee | 01 Jan 1925 | Oncidium Eximium × Oncidium Majesticum |
| Oncidium Ceramic | 01 Jan 1925 | Oncidium Eximium × Oncidium Watsonii |
| Oncidium Argus | 01 Jan 1925 | Oncidium Sibyl × Oncidium Eximium |
| Oncidium Thelma | 01 Jan 1925 | Oncidium Eximium × Oncidium Radiant |
| Oncidium Arachne | 01 Feb 1924 | Oncidium Eximium × Oncidium Vuylstekei |
| Oncidium Asmode | 01 Jan 1924 | Oncidium Eximium × Oncidium Queen Mary (1912) |
| Oncidium Avoca (1924) | 01 Jan 1924 | Oncidium Eximium × Oncidium King Manoel (1923) |
| Oncidium Margarita | 01 Jan 1924 | Oncidium Eximium × Oncidium Doreen |
| Oncidium Miala | 01 Jan 1924 | Oncidium Thwaitesii (1908) × Oncidium Eximium |
| Miltonidium Ailsa | 01 Jan 1924 | Miltonidium Princess Marie Jose × Oncidium Eximium |
| Oncidium Monte Carlo | 01 Jan 1924 | Oncidium Eximium × Oncidium Gatton Emperor |
| Oncidium Talana | 01 Jan 1924 | Oncidium Eximium × Oncidium Mirabeau |
| Oncidium Horus | 01 Jan 1924 | Oncidium Eximium × Oncidium Georgius Rex |
| Oncidium Saint Hilda | 01 Jan 1923 | Oncidium Crispo-Solon × Oncidium Eximium |
| Oncidium Antrim | 01 Jan 1923 | Oncidium Eximium × Oncidium Thais |
| Oncidium J. H. Knight | 01 Jan 1923 | Oncidium Eximillus × Oncidium Eximium |
| Oncidium Magpie | 01 Jul 1922 | Oncidium Eximium × Oncidium Magali Sander |
| Oncidium Citrinum | 01 Jan 1922 | Oncidium Boadicea × Oncidium Eximium |
| Oncidium Clarinda | 01 Jan 1922 | Oncidium Zephyr × Oncidium Eximium |
| Cyrtocidium Socotra | 01 Jan 1922 | Cyrtocidium Devossiana × Oncidium Eximium |
| Oncostele Eximatum | 01 Jan 1922 | Oncidium Eximium × Rhynchostele maculata |
| Oncidium Mirexium | 01 Jan 1922 | Oncidium Eximium × Oncidium Mirum |
| Oncidium Achilles | 01 Jan 1922 | Oncidium Black Prince × Oncidium Eximium |
| Oncidium Sylvanus | 01 Jan 1922 | Oncidium Aquitania × Oncidium Eximium |
| Oncidium Vesuvius (1921) | 01 Nov 1921 | Oncidium Amethyst × Oncidium Eximium |
| Oncidium Metis | 21 Jul 1921 | Oncidium Brewii × Oncidium Eximium |
| Oncidium Robert Venables | 05 Apr 1921 | Oncidium Eximium × Oncidium Rosella |
| Oncidium Trident | 25 Jan 1921 | Oncidium Eximium × Oncidium King Albert |
| Oncidium Cora (1921) | 01 Jan 1921 | Oncidium Coronation (1907) × Oncidium Eximium |
| Oncidium Dacia | 01 Jan 1921 | Oncidium Joan × Oncidium Eximium |
| Oncidium Maureen | 01 Jan 1921 | Oncidium Chanticleer × Oncidium Eximium |
| Oncidium Mentone | 01 Jan 1921 | Oncidium Othello (1914) × Oncidium Eximium |
| Oncidium Serapis | 01 Jan 1921 | Oncidium Dusky Monarch × Oncidium Eximium |
| Oncidium Arlotta | 01 Jan 1921 | Oncidium Heatonensis × Oncidium Eximium |
| Oncidium Amber | 01 Jan 1921 | Oncidium Eximium × Oncidium Leviathan |
| Oncidium Sandow | 01 Jan 1921 | Oncidium Eximium × Oncidium Rosella |
| Oncidium Beryl | 01 Jan 1921 | Oncidium Wilsonii × Oncidium Eximium |
| Oncidium Red Admiral | 16 Nov 1920 | Oncidium Eximium × Oncidium Lambardeanum |
| Oncidium Moorgate | 19 Oct 1920 | Oncidium Eximium × Oncidium Ianthe |
| Oncidium Phillip | 01 Jul 1920 | Oncidium Eximium × Oncidium Phillipsianum |
| Oncidium Saint Nicholas | 01 Jul 1920 | Oncidium Eximium × Oncidium Promerens |
| Oncidium Adula | 27 Apr 1920 | Oncidium Eximium × Oncidium Doris |
| Oncidium Diamond | 27 Apr 1920 | Oncidium Eximium × Oncidium King Arthur |
| Oncidium Tityus ll | 01 Apr 1920 | Oncidium Crispo-Harryanum × Oncidium Eximium |
| Oncidium Cardinale | 01 Jan 1920 | Oncidium Schroederi × Oncidium Eximium |
| Oncidium Leon Perrin | 01 Jan 1920 | Oncidium Sanderae × Oncidium Eximium |
| Oncidium Eldorado | 01 Jan 1920 | Oncidium Eximium × Oncidium Lakiniae |
| Oncidium Princess Yolande | 01 Jan 1920 | Oncidium Eximium × Oncidium L'Empereur |
| Oncidium R.L. Harrow | 01 Jan 1920 | Oncidium Crispo-Harryanum × Oncidium Eximium |
| Oncidium Harold | 01 Jan 1920 | Oncidium Eximium × Oncidium Jasper |
| Oncidium Saint George | 01 Jan 1920 | Oncidium Alexandrina × Oncidium Eximium |
| Oncidium Eden | 01 Jan 1920 | Oncidium Eva × Oncidium Eximium |
| Oncidopsis Gladys | 01 Jan 1920 | Miltoniopsis Bleuana × Oncidium Eximium |
| Oncidium Vardar | 24 May 1919 | Oncidium Eximium × Oncidium Mirificum |
| Oncidium Nada | 24 May 1919 | Oncidium Red Cross × Oncidium Eximium |
| Oncidium Empire | 22 Mar 1919 | Oncidium Eximium × Oncidium Marathon |
| Oncidium Mena | 22 Mar 1919 | Oncidium Lambeauiana (1909) × Oncidium Eximium |
| Oncidium Emma | 22 Mar 1919 | Oncidium Ashteadense × Oncidium Eximium |
| Oncidium Excelsum | 01 Jan 1919 | Oncidium Eximium × Oncidium spectatissimum |
| Oncidium Vulximium | 01 Jan 1919 | Oncidium Eximium × Oncidium Vulcan |
| Oncidium Faustina | 01 Jan 1919 | Oncidium Dora (1910) × Oncidium Eximium |
| Oncidium Gattonthello | 01 Jan 1919 | Oncidium Eximium × Oncidium Maid of Gatton |
| Oncidium Colossus II | 01 Jan 1919 | Oncidium Armstrongiae × Oncidium Eximium |
| Oncostele Cordinium | 01 Jan 1919 | Rhynchostele cordata × Oncidium Eximium |
| Oncidium Garnet (1919) | 01 Jan 1919 | Oncidium Keighleyensis × Oncidium Eximium |
| Oncidium Gwendoline | 21 Dec 1918 | Oncidium Madeline × Oncidium Eximium |
| Oncidium Rosina | 21 Dec 1918 | Oncidium Eximium × Oncidium Lady Pirrie |
| Oncidium Cynthia (1918) | 21 Sep 1918 | Oncidium Eximium × Oncidium Mars |
| Oncostele Joy | 21 Sep 1918 | Oncidium Eximium × Rhynchostele ureskinneri |
| Oncidium Dircimium | 01 Jun 1918 | Oncidium Dirce × Oncidium Eximium |
| Oncidium Doreen | 01 Jun 1918 | Oncidium Empress of India (1913) × Oncidium Eximium |
| Oncidium Codeham | 13 Apr 1918 | Oncidium Royal Gem × Oncidium Eximium |
| Oncidium San-Luis | 13 Apr 1918 | Oncidium Eximium × Oncidium Fascinator |
| Oncidium Bruno | 02 Mar 1918 | Oncidium Eximium × Oncidium Hylandianum |
| Oncidium Gatton Princess | 02 Mar 1918 | Oncidium Eximium × Oncidium Queen of Gatton |
| Oncidium Corona II | 09 Feb 1918 | Oncidium Eximium × Oncidium Menier |
| Oncidium Cordoba | 01 Jan 1918 | Oncidium Eximium × Oncidium Doris |
| Oncidium Aphrodite (1917-1) | 24 Nov 1917 | Oncidium Eximium × Oncidium Président Poincaré |
| Oncidium Nysa II | 24 Nov 1917 | Oncidium Alexandra × Oncidium Eximium |
| Oncidium Alcibiades (1917) | 03 Mar 1917 | Oncidium Eximium × na ? |
| Oncidium Norma | 01 Jan 1917 | Oncidium fuscatum × Oncidium Eximium |
| Oncidium Breburne | 23 Dec 1916 | Oncidium Eximium × Oncidium Vulturia |
| Oncidium Phyllis | 12 Aug 1916 | Oncidium Eximium × Oncidium Ianthe |
| Oncidium Fabia | 03 Jun 1916 | Oncidium Aglaon × Oncidium Eximium |
| Oncidium Alcantara | 03 Jun 1916 | Oncidium Cooksoniae (1909) × Oncidium Eximium |
| Cyrtocidium Tigris | 11 Mar 1916 | Oncidium Eximium × Cyrtocidium Thompsonianum |
| Oncostele Mary Gratrix | 11 Mar 1916 | Oncidium Eximium × Rhynchostele rossii |
| Oncidium Anzac (1916) | 11 Mar 1916 | Oncidium Colossus × Oncidium Eximium |
| Oncidium Exworth | 01 Jan 1916 | Oncidium Aireworth × Oncidium Eximium |
| Oncidium Cupreum | 01 Jan 1916 | Oncidium Eximium × Oncidium Rio Tinto |
| Oncidium Peerless | 25 Dec 1915 | Oncidium Eximium × Oncidium Ossulstonii |
| Oncidium Philo | 25 Dec 1915 | Oncidium Excellens × Oncidium Eximium |
| Oncidium Aphrodite (1915) | 25 Dec 1915 | Oncidium Diana × Oncidium Eximium |
| Oncidium Pembury | 27 Nov 1915 | Oncidium Eximium × Oncidium Gandavense |
| Oncidium Adrixia | 05 Jun 1915 | Oncidium Adrianae grex × Oncidium Eximium |
| Oncidium Phillipsianum | 24 Apr 1915 | Oncidium Eximium × Oncidium luteopurpureum |
| Cyrtocidium Clothilde | 24 Apr 1915 | Oncidium Eximium × Cyrtocidium Clytie |
| Cyrtocidium Clotilde | 24 Apr 1915 | Oncidium Eximium × Cyrtocidium Clytie |
| Oncidium Ariel | 20 Mar 1915 | Oncidium × andersonianum × Oncidium Eximium |
| Cyrtocidium Edwardimium | 20 Mar 1915 | Cyrtochilum edwardii × Oncidium Eximium |
| Oncidium Westpoint Beauty | 20 Mar 1915 | Oncidium Bradshawiae (1907) × Oncidium Eximium |
| Oncidium Admiral (1915) | 20 Mar 1915 | Oncidium Eximium × Oncidium nobile |
| Oncidium Rubens (1914) | 13 Jun 1914 | Oncidium Charlesworthii (1908) × Oncidium Eximium |
| Oncidium Eximillus | 02 May 1914 | Oncidium Eximium × Oncidium Illustrissimum |
| Oncidium Brackenhurst | 02 May 1914 | Oncidium Charlesworthii (1908) × Oncidium Eximium |
| Oncidium Cyrus | 21 Mar 1914 | Oncidium Eximium × Oncidium Rolfeae |
| Oncidium Rubens | 01 Jan 1914 | Oncidium Ardentissimum × Oncidium Eximium |
| Oncidium Queen Mary (1912) | 01 Jan 1914 | Oncidium Eximium × Oncidium Vuylstekei |
| Oncidium Fuscimium | 01 Jan 1914 | Oncidium Saint Fuscien × Oncidium Eximium |
| Oncidium Hemptiniana | 01 Jan 1913 | Oncidium noezlianum × Oncidium Eximium |
| Oncidium Amethyst | 01 Jan 1913 | Oncidium Eximium × Oncidium Lambeauianum |
| Oncidium Colossus | 01 Jan 1912 | Oncidium Eximium × Oncidium Armstrongiae |
| Oncidium Majesticum | 01 Jan 1912 | Oncidium Eximium × Oncidium Percultum |
| Oncidium Marathon | 01 Jan 1912 | Oncidium Amabile × Oncidium Eximium |
| Oncidium Zulu | 01 Jan 1912 | Oncidium Eximium × Oncidium harryanum |
| Oncidium Queen Mary | 01 Jan 1911 | Oncidium Vuylstekeae (1904) × Oncidium Eximium |
| Oncidium Grand Monarque | 01 Jan 1911 | Oncidium Eximium × Oncidium Prince Albert (1907) |
| Oncidium Promerens | 01 Jan 1910 | Oncidium alexandrae × Oncidium Eximium |
| Oncidium Catherine | 01 Jan 1910 | Oncidium Eximium × Oncidium Harvengtense |
| Oncidium Splendens | 01 Jan 1910 | Oncidium Eximium × Oncidium Wilckeanum |
| Oncidium Invincible | 01 Jan 1910 | Oncidium Eximium × Oncidium Wilckeanum |
| Oncidium L'Aiglon | 01 Jan 1909 | Oncidium Eximium × Oncidium Vuylstekeae (1905) |
| Oncidium Aglaon | 01 Jan 1909 | Oncidium Eximium × Oncidium Vuylstekeae (1905) |
| Oncidium Harlequin (1906) | 01 Jan 1906 | Oncidium Eximium × na ? |
| Oncidium Arabic | 01 Jan 1906 | Oncidium Eximium × Oncidium Midnight |
| Oncidium Orpheus | 01 Jan 1900 | Oncidium alexandrae × Oncidium Eximium |