| 0 | 53116 | 12E0100001 | 'Alena' | Rhododendron decorum Franch. | Czechoslovakia | | 9 | 12E0100001 ** |
| 1 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 9 | 12E0100006 ** |
| 2 | 53122 | 12E0100007 | 'Eva' | Rhododendron hybr. | Czechoslovakia | | 9 | 12E0100007 ** |
| 3 | 53123 | 12E0100008 | 'Humoreska' | Rhododendron hybr. | Czechoslovakia | | 9 | 12E0100008 ** |
| 4 | 53132 | 12E0100017 | 'Panenka' | Rhododendron decorum Franch. | Czechoslovakia | | 9 | 12E0100017 ** |
| 5 | 53135 | 12E0100020 | 'Rose Marie' | Rhododendron decorum Franch. | Czechoslovakia | | 9 | 12E0100020 ** |
| 6 | 53136 | 12E0100021 | 'Saba' | Rhododendron decorum Franch. | Czechoslovakia | | 9 | 12E0100021 ** |
| 7 | 53138 | 12E0100023 | 'Vilem Heckel' | Rhododendron hybr. | Czechoslovakia | | 9 | 12E0100023 ** |
| 8 | 53139 | 12E0100024 | 'Arnost Silva Tarouca' | Rhododendron decorum Franch. | Czechoslovakia | | 9 | 12E0100024 ** |
| 9 | 53141 | 12E0100026 | 'Album Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100026 ** |
| 10 | 53142 | 12E0100027 | 'Album Novum' | Rhododendron catawbiense Michx. | Belgium | | 9 | 12E0100027 ** |
| 11 | 53143 | 12E0100028 | 'America' | Rhododendron hybr. | Netherlands | | 9 | 12E0100028 ** |
| 12 | 53147 | 12E0100032 | 'Blue Danube' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 9 | 12E0100032 ** |
| 13 | 53150 | 12E0100035 | 'Caractacus' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100035 ** |
| 14 | 53151 | 12E0100036 | 'Catawbiense Album' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100036 ** |
| 15 | 53152 | 12E0100037 | 'Catawbiense Boursault' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100037 ** |
| 16 | 53153 | 12E0100038 | 'Catawbiense Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100038 ** |
| 17 | 53156 | 12E0100041 | 'Doctor H. C. Dresselhuys' | Rhododendron hybr. | Netherlands | | 9 | 12E0100041 ** |
| 18 | 53157 | 12E0100042 | 'Edward S. Rand' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100042 ** |
| 19 | 53159 | 12E0100044 | 'F. D. Godman' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100044 ** |
| 20 | 53160 | 12E0100045 | 'Fastuosum Flore Pleno' | Rhododendron hybr. | unknown | | 9 | 12E0100045 ** |
| 21 | 53161 | 12E0100046 | 'Furnivall's Daughter' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100046 ** |
| 22 | 53163 | 12E0100048 | 'Genoveva' | Rhododendron catawbiense Michx. | Germany | | 9 | 12E0100048 ** |
| 23 | 53167 | 12E0100052 | 'Gudrun' | Rhododendron hybr. | Germany | | 9 | 12E0100052 ** |
| 24 | 53176 | 12E0100061 | 'Lady Annette de Trafford' | Rhododendron maximum L. | United Kingdom | | 9 | 12E0100061 ** |
| 25 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 9 | 12E0100067 ** |
| 26 | 53191 | 12E0100076 | 'Picturatum' | Rhododendron maximum L. | United Kingdom | | 9 | 12E0100076 ** |
| 27 | 53202 | 12E0100087 | 'Albert Schweitzer' | Rhododendron hybr. | Netherlands | | 9 | 12E0100087 ** |
| 28 | 53231 | 12E0100116 | 'Delta' | Rhododendron hybr. | Germany | | 9 | 12E0100116 ** |
| 29 | 53236 | 12E0100121 | 'Dora Weissbach' | Rhododendron hybr. | unknown | | 9 | 12E0100121 ** |
| 30 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 9 | 12E0100126 ** |
| 31 | 53242 | 12E0100127 | 'Duke of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 9 | 12E0100127 ** |
| 32 | 53243 | 12E0100128 | 'Effner' | Rhododendron hybr. | Germany | | 9 | 12E0100128 ** |
| 33 | 53266 | 12E0100151 | 'Goldfort' | Rhododendron fortunei Lindl. subsp. fortunei | United Kingdom | | 9 | 12E0100151 ** |
| 34 | 53269 | 12E0100154 | 'H. Halven' | Rhododendron hybr. | unknown | | 9 | 12E0100154 ** |
| 35 | 53275 | 12E0100160 | 'Hermann Nitzschner' | Rhododendron hybr. | Germany | | 9 | 12E0100160 ** |
| 36 | 53284 | 12E0100169 | 'Ponticum Roseum' | Rhododendron hybr. | United States | | 9 | 12E0100169 ** |
| 37 | 53294 | 12E0100179 | 'Lord Fairhaven' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100179 ** |
| 38 | 53295 | 12E0100180 | 'Marie Fortie' | Rhododendron hybr. | Belgium | | 9 | 12E0100180 ** |
| 39 | 53296 | 12E0100181 | 'Anilin' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100181 ** |
| 40 | 53300 | 12E0100185 | 'Hachmann's Belona' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100185 ** |
| 41 | 53304 | 12E0100189 | 'Daniela' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100189 ** |
| 42 | 53313 | 12E0100198 | 'Kantilene' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100198 ** |
| 43 | 53315 | 12E0100200 | 'Lamentosa' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100200 ** |
| 44 | 53316 | 12E0100201 | 'Leopardii' | Rhododendron arboreum Sm. | United Kingdom | | 9 | 12E0100201 ** |
| 45 | 53322 | 12E0100207 | 'Mrs P. den Ouden' | Rhododendron hybr. | Netherlands | | 9 | 12E0100207 ** |
| 46 | 53323 | 12E0100208 | 'Nova Zembla' | Rhododendron catawbiense Michx. | Netherlands | | 9 | 12E0100208 ** |
| 47 | 53338 | 12E0100223 | 'Roseum Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100223 ** |
| 48 | 53339 | 12E0100224 | 'Roseum Superbum' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100224 ** |
| 49 | 53342 | 12E0100227 | 'Scharnhorst' | Rhododendron catawbiense Michx. | Germany | | 9 | 12E0100227 ** |
| 50 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 9 | 12E0100231 ** |
| 51 | 53365 | 12E0100250 | 'Bibber' | Rhododendron catawbiense Michx. | Germany | | 9 | 12E0100250 ** |
| 52 | 53366 | 12E0100251 | 'Herzas' | Rhododendron wardii W. W. Sm. | Germany | | 9 | 12E0100251 ** |
| 53 | 53369 | 12E0100254 | 'Hachmann's Junifeuer' | Rhododendron hybr. | Germany | | 9 | 12E0100254 ** |
| 54 | 53372 | 12E0100257 | 'Vitalio' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 9 | 12E0100257 ** |
| 55 | 53373 | 12E0100258 | 'Toucan' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100258 ** |
| 56 | 53376 | 12E0100261 | 'Margret' | Rhododendron smirnowii Trautv. | Germany | | 9 | 12E0100261 ** |
| 57 | 53391 | 12E0100276 | 'Schneebukett' | Rhododendron hybr. | Germany | | 9 | 12E0100276 ** |
| 58 | 53393 | 12E0100278 | 'Van Der Hoop' | Rhododendron hybr. | Netherlands | | 9 | 12E0100278 ** |
| 59 | 53397 | 12E0100282 | 'Admiral Vanessa' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 9 | 12E0100282 ** |
| 60 | 53411 | 12E0100296 | 'Blue Bell' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100296 ** |
| 61 | 53414 | 12E0100299 | 'Hachmann's Constanze' | Rhododendron hybr. | Germany | | 9 | 12E0100299 ** |
| 62 | 53419 | 12E0100304 | 'Old Port' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100304 ** |
| 63 | 53421 | 12E0100306 | 'Queen Mary' | Rhododendron hybr. | Netherlands | | 9 | 12E0100306 ** |
| 64 | 53423 | 12E0100308 | 'Susan' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100308 ** |
| 65 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 9 | 12E0100311 ** |
| 66 | 53430 | 12E0100315 | 'Ben Moseley' | Rhododendron fortunei Lindl. subsp. fortunei | United States | | 9 | 12E0100315 ** |
| 67 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 9 | 12E0100318 ** |
| 68 | 53437 | 12E0100322 | 'Sammetglut' | Rhododendron hybr. | Germany | | 9 | 12E0100322 ** |
| 69 | 53456 | 12E0100341 | 'Berliner Liebe' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 9 | 12E0100341 ** |
| 70 | 53464 | 12E0100349 | 'Tamarindos' | Rhododendron hybr. | Germany | | 9 | 12E0100349 ** |
| 71 | 53472 | 12E0100357 | 'Konsonanz' | Rhododendron hybr. | Germany | | 9 | 12E0100357 ** |
| 72 | 53473 | 12E0100358 | 'Puccini' | Rhododendron hybr. | Germany | | 9 | 12E0100358 ** |
| 73 | 53476 | 12E0100361 | 'Sonare' | Rhododendron hybr. | Germany | | 9 | 12E0100361 ** |
| 74 | 53484 | 12E0100369 | 'Sylphides' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100369 ** |
| 75 | 53488 | 12E0100373 | 'Kate Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100373 ** |
| 76 | 53494 | 12E0100379 | 'Parkfeuer' | Rhododendron hybr. | Germany | | 9 | 12E0100379 ** |
| 77 | 53497 | 12E0100382 | 'Albert Close' | Rhododendron maximum L. | unknown | | 9 | 12E0100382 ** |
| 78 | 53498 | 12E0100383 | 'Ariel' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 9 | 12E0100383 ** |
| 79 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 9 | 12E0100394 ** |
| 80 | 53512 | 12E0100397 | 'Cynthia' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100397 ** |
| 81 | 53513 | 12E0100398 | 'Schneegold' | Rhododendron hybr. | Germany | | 9 | 12E0100398 ** |
| 82 | 53514 | 12E0100399 | 'Doctor Tjebbes' | Rhododendron hybr. | Netherlands | | 9 | 12E0100399 ** |
| 83 | 53525 | 12E0100410 | 'General D. Eisenhower' | Rhododendron griffithianum Wight | Netherlands | | 9 | 12E0100410 ** |
| 84 | 53526 | 12E0100411 | 'Gina Lollobrigida' | Rhododendron hybr. | Netherlands | | 9 | 12E0100411 ** |
| 85 | 53527 | 12E0100412 | 'Hachmann's Charmant' | Rhododendron hybr. | Germany | | 9 | 12E0100412 ** |
| 86 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 9 | 12E0100423 ** |
| 87 | 53540 | 12E0100425 | 'Radiant' | Rhododendron hybr. | Netherlands | | 9 | 12E0100425 ** |
| 88 | 53545 | 12E0100430 | 'Ladybird' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 9 | 12E0100430 ** |
| 89 | 53577 | 12E0100462 | 'The General' | Rhododendron catawbiense Michx. | United States | | 9 | 12E0100462 ** |
| 90 | 53598 | 12E0100483 | 'Golden Flare' | Rhododendron hybr. | Netherlands | | 9 | 12E0100483 ** |
| 91 | 53614 | 12E0100499 | 'Spaetlese' | Rhododendron hybr. | unknown | | 9 | 12E0100499 ** |
| 92 | 53632 | 12E0100517 | 'Duque de San Lucar' | Rhododendron hybr. | unknown | | 9 | 12E0100517 ** |
| 93 | 53650 | 12E0100536 | 'Gloria Mundi' | Rhododendron hybr. | unknown | | 9 | 12E0100536 ** |
| 94 | 53685 | 12E0100604 | 'Profesor Jersov' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 9 | 12E0100604 ** |
| 95 | 53703 | 12E0100807 | 'Anna Rose Whitney' | Rhododendron hybr. | United States | | 9 | 12E0100807 ** |
| 96 | 53713 | 12E0100817 | 'Multimaculatum' | Rhododendron ponticum L. | United Kingdom | | 9 | 12E0100817 ** |
| 97 | 53718 | 12E0100822 | 'Dominik' | Rhododendron hybr. | Germany | | 9 | 12E0100822 ** |
| 98 | 53721 | 12E0100825 | 'Gartendirektor Rieger' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 9 | 12E0100825 ** |
| 99 | 53728 | 12E0100832 | 'Moser's Maroon' | Rhododendron hybr. | France | | 9 | 12E0100832 ** |
| 100 | 53731 | 12E0100835 | 'Hachmann's Anastasia' | Rhododendron hybr. | Germany | | 9 | 12E0100835 ** |
| 101 | 53739 | 12E0100843 | 'Loket' | Rhododendron strigillosum Franch. | Czech Republic | | 9 | 12E0100843 ** |
| 102 | 53750 | 12E0100854 | 'Wryneck' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100854 ** |
| 103 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 9 | 12E0100862 ** |
| 104 | 53759 | 12E0100863 | 'Lipnice' | Rhododendron hybr. | Czech Republic | | 9 | 12E0100863 ** |
| 105 | 53764 | 12E0100868 | 'Golden Eagle' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100868 ** |
| 106 | 53766 | 12E0100870 | 'Christian' | Rhododendron catawbiense Michx. | Germany | | 9 | 12E0100870 ** |
| 107 | 65600 | 12E0100882 | 'Klenova' | Rhododendron hybr. | Czech Republic | | 9 | 12E0100882 ** |
| 108 | 65840 | 12E0100887 | 'Karin Seleger' | Rhododendron insigne Hemsl. & E. H. Wilson | Switzerland | | 9 | 12E0100887 ** |
| 109 | 65863 | 12E0100891 | 'Mrs Philip Martineau' | Rhododendron hybr. | England, United Kingdom | | 9 | 12E0100891 ** |
| 110 | 65918 | 12E0100893 | 'Hachmann's Mercator' | Rhododendron hybr. | Germany | | 9 | 12E0100893 ** |
| 111 | 65919 | 12E0100894 | 'Hachhans' | Rhododendron hybr. | Germany | | 9 | 12E0100894 ** |