| 0 | 53118 | 12E0100003 | 'Aurora' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100003 ** |
| 1 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 4 | 12E0100006 ** |
| 2 | 53124 | 12E0100009 | 'Hurvinek' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 4 | 12E0100009 ** |
| 3 | 53125 | 12E0100010 | 'Lajka' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100010 ** |
| 4 | 53134 | 12E0100019 | 'Profesor Jelinek' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100019 ** |
| 5 | 53137 | 12E0100022 | 'Sputnik' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100022 ** |
| 6 | 53141 | 12E0100026 | 'Album Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100026 ** |
| 7 | 53142 | 12E0100027 | 'Album Novum' | Rhododendron catawbiense Michx. | Belgium | | 4 | 12E0100027 ** |
| 8 | 53150 | 12E0100035 | 'Caractacus' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100035 ** |
| 9 | 53158 | 12E0100043 | 'Everestianum' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100043 ** |
| 10 | 53162 | 12E0100047 | 'General Grant' | Rhododendron catawbiense Michx. | United States | | 4 | 12E0100047 ** |
| 11 | 53173 | 12E0100058 | 'Jewess' | Rhododendron caucasicum Pall. | Germany | | 4 | 12E0100058 ** |
| 12 | 53194 | 12E0100079 | 'Quapp' | Rhododendron hybr. | Germany | | 4 | 12E0100079 ** |
| 13 | 53207 | 12E0100092 | 'Mrs Furnivall' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100092 ** |
| 14 | 53209 | 12E0100094 | 'Anton' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100094 ** |
| 15 | 53210 | 12E0100095 | 'Mrs Davies Evans' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100095 ** |
| 16 | 53211 | 12E0100096 | 'Arnim' | Rhododendron hybr. | Germany | | 4 | 12E0100096 ** |
| 17 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 4 | 12E0100099 ** |
| 18 | 53218 | 12E0100103 | 'Madame Jules Porges' | Rhododendron hybr. | France | | 4 | 12E0100103 ** |
| 19 | 53233 | 12E0100118 | 'Bruns Diana' | Rhododendron hybr. | Germany | | 4 | 12E0100118 ** |
| 20 | 53235 | 12E0100120 | 'Direktoer E. Hjelm' | Rhododendron fortunei Lindl. subsp. fortunei | Netherlands | | 4 | 12E0100120 ** |
| 21 | 53239 | 12E0100124 | 'Madame Linden' | Rhododendron hybr. | Germany | | 4 | 12E0100124 ** |
| 22 | 53243 | 12E0100128 | 'Effner' | Rhododendron hybr. | Germany | | 4 | 12E0100128 ** |
| 23 | 53256 | 12E0100141 | 'Florence Sarah Smith' | Rhododendron hybr. | unknown | | 4 | 12E0100141 ** |
| 24 | 53265 | 12E0100150 | 'Goldfinch' | Rhododendron wardii W. W. Sm. | unknown | | 4 | 12E0100150 ** |
| 25 | 53295 | 12E0100180 | 'Marie Fortie' | Rhododendron hybr. | Belgium | | 4 | 12E0100180 ** |
| 26 | 53298 | 12E0100183 | 'Bambola' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100183 ** |
| 27 | 53306 | 12E0100191 | 'Fantastica' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100191 ** |
| 28 | 53307 | 12E0100192 | 'Frau Martha Lentschke' | Rhododendron hybr. | Germany | | 4 | 12E0100192 ** |
| 29 | 53312 | 12E0100197 | 'Kalinka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100197 ** |
| 30 | 53313 | 12E0100198 | 'Kantilene' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100198 ** |
| 31 | 53318 | 12E0100203 | 'Lumina' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100203 ** |
| 32 | 53320 | 12E0100205 | 'Mims' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100205 ** |
| 33 | 53324 | 12E0100209 | 'Von Oheimb - Woislowitz' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100209 ** |
| 34 | 53338 | 12E0100223 | 'Roseum Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100223 ** |
| 35 | 53339 | 12E0100224 | 'Roseum Superbum' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100224 ** |
| 36 | 53340 | 12E0100225 | 'Hachmann's Rosita' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100225 ** |
| 37 | 53341 | 12E0100226 | 'Royal Pink' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100226 ** |
| 38 | 53345 | 12E0100230 | 'Silberwolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100230 ** |
| 39 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 4 | 12E0100231 ** |
| 40 | 53353 | 12E0100238 | 'August Lamken' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100238 ** |
| 41 | 53356 | 12E0100241 | 'Catharine van Tol' | Rhododendron catawbiense Michx. | Netherlands | | 4 | 12E0100241 ** |
| 42 | 53359 | 12E0100244 | 'Hachmann's Evelyn' | Rhododendron hybr. | Germany | | 4 | 12E0100244 ** |
| 43 | 53370 | 12E0100255 | 'Juniperle' | Rhododendron hybr. | Germany | | 4 | 12E0100255 ** |
| 44 | 53382 | 12E0100267 | 'Pink Cherub' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 4 | 12E0100267 ** |
| 45 | 53383 | 12E0100268 | 'Purple Splendour' | Rhododendron ponticum L. | United Kingdom | | 4 | 12E0100268 ** |
| 46 | 53386 | 12E0100271 | 'Rendezvous' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100271 ** |
| 47 | 53388 | 12E0100273 | 'Roselyn' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 4 | 12E0100273 ** |
| 48 | 53414 | 12E0100299 | 'Hachmann's Constanze' | Rhododendron hybr. | Germany | | 4 | 12E0100299 ** |
| 49 | 53421 | 12E0100306 | 'Queen Mary' | Rhododendron hybr. | Netherlands | | 4 | 12E0100306 ** |
| 50 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100311 ** |
| 51 | 53427 | 12E0100312 | 'Vater Boehlje' | Rhododendron hybr. | Germany | | 4 | 12E0100312 ** |
| 52 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100313 ** |
| 53 | 53431 | 12E0100316 | 'Cornelia Schroeder' | Rhododendron hybr. | Germany | | 4 | 12E0100316 ** |
| 54 | 53445 | 12E0100330 | 'Pink Perfection' | Rhododendron hybr. | Belgium | | 4 | 12E0100330 ** |
| 55 | 53452 | 12E0100337 | 'Ovation' | Rhododendron haematodes Franch. | United Kingdom | | 4 | 12E0100337 ** |
| 56 | 53459 | 12E0100344 | 'Azurro' | Rhododendron hybr. | Germany | | 4 | 12E0100344 ** |
| 57 | 53473 | 12E0100358 | 'Puccini' | Rhododendron hybr. | Germany | | 4 | 12E0100358 ** |
| 58 | 53484 | 12E0100369 | 'Sylphides' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100369 ** |
| 59 | 53488 | 12E0100373 | 'Kate Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100373 ** |
| 60 | 53491 | 12E0100376 | 'Mrs R. S. Holford' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100376 ** |
| 61 | 53502 | 12E0100387 | 'Berlin' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100387 ** |
| 62 | 53503 | 12E0100388 | 'Bertha' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100388 ** |
| 63 | 53504 | 12E0100389 | 'Besse Howells' | Rhododendron catawbiense Michx. | United States | | 4 | 12E0100389 ** |
| 64 | 53507 | 12E0100392 | 'Bluebird' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100392 ** |
| 65 | 53514 | 12E0100399 | 'Doctor Tjebbes' | Rhododendron hybr. | Netherlands | | 4 | 12E0100399 ** |
| 66 | 53545 | 12E0100430 | 'Ladybird' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 4 | 12E0100430 ** |
| 67 | 53566 | 12E0100451 | 'Roland' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100451 ** |
| 68 | 53567 | 12E0100452 | 'Rosa Perle' | Rhododendron makinoi Tagg ex Nakai | Germany | | 4 | 12E0100452 ** |
| 69 | 53582 | 12E0100467 | 'Soir de Paris' | Rhododendron viscosum (L.) Torr. | Netherlands | | 4 | 12E0100467 ** |
| 70 | 53618 | 12E0100503 | 'Campfire' | Rhododendron hybr. | unknown | | 4 | 12E0100503 ** |
| 71 | 53632 | 12E0100517 | 'Duque de San Lucar' | Rhododendron hybr. | unknown | | 4 | 12E0100517 ** |
| 72 | 53634 | 12E0100519 | 'Koenigstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 4 | 12E0100519 ** |
| 73 | 53645 | 12E0100531 | 'Satschiko' | Rhododendron hybr. | Germany | | 4 | 12E0100531 ** |
| 74 | 53655 | 12E0100541 | 'Haruko' | Rhododendron hybr. | unknown | | 4 | 12E0100541 ** |
| 75 | 53663 | 12E0100549 | 'Karolina Svetla' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100549 ** |
| 76 | 53664 | 12E0100550 | 'Bozena Nemcova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100550 ** |
| 77 | 53666 | 12E0100552 | 'Pavla Kytlicova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100552 ** |
| 78 | 53676 | 12E0100562 | 'Ramapo' | Rhododendron minus Michx. var. minus | unknown | | 4 | 12E0100562 ** |
| 79 | 53678 | 12E0100564 | 'Krumlov' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 4 | 12E0100564 ** |
| 80 | 53679 | 12E0100565 | 'Buchlovice' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 4 | 12E0100565 ** |
| 81 | 53680 | 12E0100566 | 'Charles Bagley' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100566 ** |
| 82 | 53681 | 12E0100567 | 'Signalgluehen' | Rhododendron hybr. | Germany | | 4 | 12E0100567 ** |
| 83 | 53683 | 12E0100602 | 'Boubin' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100602 ** |
| 84 | 53685 | 12E0100604 | 'Profesor Jersov' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100604 ** |
| 85 | 53687 | 12E0100606 | 'Morava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100606 ** |
| 86 | 53693 | 12E0100612 | 'Ledikanense' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czechoslovakia | | 4 | 12E0100612 ** |
| 87 | 53697 | 12E0100801 | 'Sychrov' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 4 | 12E0100801 ** |
| 88 | 53699 | 12E0100803 | 'Reve d'Amour' | Rhododendron viscosum (L.) Torr. | Netherlands | | 4 | 12E0100803 ** |
| 89 | 53706 | 12E0100810 | 'Caroline Allbrook' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 4 | 12E0100810 ** |
| 90 | 53709 | 12E0100813 | 'Germania' | Rhododendron hybr. | Germany | | 4 | 12E0100813 ** |
| 91 | 53725 | 12E0100829 | 'Holstein' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100829 ** |
| 92 | 53726 | 12E0100830 | 'Hermine Seidel' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100830 ** |
| 93 | 53731 | 12E0100835 | 'Hachmann's Anastasia' | Rhododendron hybr. | Germany | | 4 | 12E0100835 ** |
| 94 | 53743 | 12E0100847 | 'Velka Morava' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100847 ** |
| 95 | 53745 | 12E0100849 | 'Veltrusy' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100849 ** |
| 96 | 53754 | 12E0100858 | 'Bezdez' | Rhododendron ponticum L. | Czech Republic | | 4 | 12E0100858 ** |
| 97 | 53755 | 12E0100859 | 'Kokorin' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100859 ** |
| 98 | 53760 | 12E0100864 | 'Kacina' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100864 ** |
| 99 | 53766 | 12E0100870 | 'Christian' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100870 ** |
| 100 | 53769 | 12E0100873 | 'C. S. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100873 ** |
| 101 | 65863 | 12E0100891 | 'Mrs Philip Martineau' | Rhododendron hybr. | England, United Kingdom | | 4 | 12E0100891 ** |
| 102 | 65919 | 12E0100894 | 'Hachhans' | Rhododendron hybr. | Germany | | 4 | 12E0100894 ** |
| 103 | 66597 | 12E0100895 | 'Rotkaeppchen' | Rhododendron hybr. | Germany | | 4 | 12E0100895 ** |
| 104 | 67928 | 12E0100897 | 'Kozakov' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100897 ** |