| 0 | 53125 | 12E0100010 | 'Lajka' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 2 | 12E0100010 ** |
| 1 | 53126 | 12E0100011 | 'Lunik' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 2 | 12E0100011 ** |
| 2 | 53135 | 12E0100020 | 'Rose Marie' | Rhododendron decorum Franch. | Czechoslovakia | | 2 | 12E0100020 ** |
| 3 | 53137 | 12E0100022 | 'Sputnik' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 2 | 12E0100022 ** |
| 4 | 53140 | 12E0100025 | 'Album Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100025 ** |
| 5 | 53141 | 12E0100026 | 'Album Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100026 ** |
| 6 | 53142 | 12E0100027 | 'Album Novum' | Rhododendron catawbiense Michx. | Belgium | | 2 | 12E0100027 ** |
| 7 | 53147 | 12E0100032 | 'Blue Danube' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 2 | 12E0100032 ** |
| 8 | 53149 | 12E0100034 | 'Boule de Neige' | Rhododendron hybr. | France | | 2 | 12E0100034 ** |
| 9 | 53151 | 12E0100036 | 'Catawbiense Album' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100036 ** |
| 10 | 53152 | 12E0100037 | 'Catawbiense Boursault' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100037 ** |
| 11 | 53155 | 12E0100040 | 'Violetta' | Rhododendron decorum Franch. | Czech Republic | | 2 | 12E0100040 ** |
| 12 | 53158 | 12E0100043 | 'Everestianum' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100043 ** |
| 13 | 53160 | 12E0100045 | 'Fastuosum Flore Pleno' | Rhododendron hybr. | unknown | | 2 | 12E0100045 ** |
| 14 | 53166 | 12E0100051 | 'Gomer Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100051 ** |
| 15 | 53168 | 12E0100053 | 'Herme' | Rhododendron hybr. | Germany | | 2 | 12E0100053 ** |
| 16 | 53170 | 12E0100055 | 'Holger' | Rhododendron hybr. | Germany | | 2 | 12E0100055 ** |
| 17 | 53180 | 12E0100065 | 'Lee's Dark Purple' | Rhododendron catawbiense Michx. | unknown | | 2 | 12E0100065 ** |
| 18 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 2 | 12E0100067 ** |
| 19 | 53194 | 12E0100079 | 'Quapp' | Rhododendron hybr. | Germany | | 2 | 12E0100079 ** |
| 20 | 53198 | 12E0100083 | 'Admiral Piet Hein' | Rhododendron hybr. | Netherlands | | 2 | 12E0100083 ** |
| 21 | 53204 | 12E0100089 | 'Allah' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100089 ** |
| 22 | 53210 | 12E0100095 | 'Mrs Davies Evans' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100095 ** |
| 23 | 53223 | 12E0100108 | 'Sweet Simplicity' | Rhododendron ponticum L. | United Kingdom | | 2 | 12E0100108 ** |
| 24 | 53229 | 12E0100114 | 'Darius' | Rhododendron smirnowii Trautv. | Germany | | 2 | 12E0100114 ** |
| 25 | 53236 | 12E0100121 | 'Dora Weissbach' | Rhododendron hybr. | unknown | | 2 | 12E0100121 ** |
| 26 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 2 | 12E0100126 ** |
| 27 | 53243 | 12E0100128 | 'Effner' | Rhododendron hybr. | Germany | | 2 | 12E0100128 ** |
| 28 | 53244 | 12E0100129 | 'Eidam' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 2 | 12E0100129 ** |
| 29 | 53256 | 12E0100141 | 'Florence Sarah Smith' | Rhododendron hybr. | unknown | | 2 | 12E0100141 ** |
| 30 | 53266 | 12E0100151 | 'Goldfort' | Rhododendron fortunei Lindl. subsp. fortunei | United Kingdom | | 2 | 12E0100151 ** |
| 31 | 53267 | 12E0100152 | 'Goldsworth Yellow' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100152 ** |
| 32 | 53269 | 12E0100154 | 'H. Halven' | Rhododendron hybr. | unknown | | 2 | 12E0100154 ** |
| 33 | 53275 | 12E0100160 | 'Hermann Nitzschner' | Rhododendron hybr. | Germany | | 2 | 12E0100160 ** |
| 34 | 53283 | 12E0100168 | 'May Firth' | Rhododendron hybr. | unknown | | 2 | 12E0100168 ** |
| 35 | 53307 | 12E0100192 | 'Frau Martha Lentschke' | Rhododendron hybr. | Germany | | 2 | 12E0100192 ** |
| 36 | 53311 | 12E0100196 | 'Jacksonii' | Rhododendron caucasicum Pall. | unknown | | 2 | 12E0100196 ** |
| 37 | 53312 | 12E0100197 | 'Kalinka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100197 ** |
| 38 | 53318 | 12E0100203 | 'Lumina' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100203 ** |
| 39 | 53319 | 12E0100204 | 'Madame Carvalho' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100204 ** |
| 40 | 53320 | 12E0100205 | 'Mims' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100205 ** |
| 41 | 53324 | 12E0100209 | 'Von Oheimb - Woislowitz' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100209 ** |
| 42 | 53339 | 12E0100224 | 'Roseum Superbum' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100224 ** |
| 43 | 53340 | 12E0100225 | 'Hachmann's Rosita' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100225 ** |
| 44 | 53345 | 12E0100230 | 'Silberwolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100230 ** |
| 45 | 53347 | 12E0100232 | 'Sonatine' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100232 ** |
| 46 | 53351 | 12E0100236 | 'Tatjana' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100236 ** |
| 47 | 53356 | 12E0100241 | 'Catharine van Tol' | Rhododendron catawbiense Michx. | Netherlands | | 2 | 12E0100241 ** |
| 48 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100259 ** |
| 49 | 53393 | 12E0100278 | 'Van Der Hoop' | Rhododendron hybr. | Netherlands | | 2 | 12E0100278 ** |
| 50 | 53410 | 12E0100295 | 'Alfred' | Rhododendron hybr. | Germany | | 2 | 12E0100295 ** |
| 51 | 53450 | 12E0100335 | 'Silvia' | Rhododendron hybr. | Germany | | 2 | 12E0100335 ** |
| 52 | 53458 | 12E0100343 | 'Belkanto' | Rhododendron hybr. | Germany | | 2 | 12E0100343 ** |
| 53 | 53465 | 12E0100350 | 'Balalaika' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 2 | 12E0100350 ** |
| 54 | 53474 | 12E0100359 | 'Ricarda' | Rhododendron hybr. | Germany | | 2 | 12E0100359 ** |
| 55 | 53476 | 12E0100361 | 'Sonare' | Rhododendron hybr. | Germany | | 2 | 12E0100361 ** |
| 56 | 53480 | 12E0100365 | 'Eruption' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 2 | 12E0100365 ** |
| 57 | 53496 | 12E0100381 | 'James Burchett' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 2 | 12E0100381 ** |
| 58 | 53521 | 12E0100406 | 'Falling Snow' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 2 | 12E0100406 ** |
| 59 | 53542 | 12E0100427 | 'Kings Ride' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100427 ** |
| 60 | 53552 | 12E0100437 | 'Mrs John Penn' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100437 ** |
| 61 | 53572 | 12E0100457 | 'Schwanensee' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100457 ** |
| 62 | 53632 | 12E0100517 | 'Duque de San Lucar' | Rhododendron hybr. | unknown | | 2 | 12E0100517 ** |
| 63 | 53651 | 12E0100537 | 'Golden Melodie' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 2 | 12E0100537 ** |
| 64 | 53724 | 12E0100828 | 'Schneeglanz' | Rhododendron obtusum (Lindl.) Planch. | Germany | | 2 | 12E0100828 ** |
| 65 | 53737 | 12E0100841 | 'Lednice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100841 ** |
| 66 | 53741 | 12E0100845 | 'Profesor Scholz' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czech Republic | | 2 | 12E0100845 ** |
| 67 | 53756 | 12E0100860 | 'Hluboka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100860 ** |
| 68 | 53772 | 12E0100876 | 'Svihov' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100876 ** |
| 69 | 65823 | 12E0100883 | 'Rusalka' | Rhododendron decorum Franch. | Czechoslovakia | | 2 | 12E0100883 ** |
| 70 | 67927 | 12E0100896 | 'Milesovka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100896 ** |