| 0 | 53119 | 12E0100004 | 'Bohumil Kavka' | Rhododendron hybr. | Czechoslovakia | | 2 | 12E0100004 ** |
| 1 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 2 | 12E0100006 ** |
| 2 | 53122 | 12E0100007 | 'Eva' | Rhododendron hybr. | Czechoslovakia | | 2 | 12E0100007 ** |
| 3 | 53124 | 12E0100009 | 'Hurvinek' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 2 | 12E0100009 ** |
| 4 | 53127 | 12E0100012 | 'Marka' | Rhododendron decorum Franch. | Czechoslovakia | | 2 | 12E0100012 ** |
| 5 | 53128 | 12E0100013 | 'Milan' | Rhododendron hybr. | Czechoslovakia | | 2 | 12E0100013 ** |
| 6 | 53138 | 12E0100023 | 'Vilem Heckel' | Rhododendron hybr. | Czechoslovakia | | 2 | 12E0100023 ** |
| 7 | 53146 | 12E0100031 | 'Bernstein' | Rhododendron hybr. | Germany | | 2 | 12E0100031 ** |
| 8 | 53148 | 12E0100033 | Blue Peter | Rhododendron hybr. | United Kingdom | | 2 | 12E0100033 ** |
| 9 | 53150 | 12E0100035 | 'Caractacus' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100035 ** |
| 10 | 53169 | 12E0100054 | 'Holbein' | Rhododendron hybr. | Germany | | 2 | 12E0100054 ** |
| 11 | 53171 | 12E0100056 | 'Hugh Koster' | Rhododendron hybr. | Netherlands | | 2 | 12E0100056 ** |
| 12 | 53184 | 12E0100069 | 'Margot' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100069 ** |
| 13 | 53188 | 12E0100073 | 'Myrte' | Rhododendron hybr. | Germany | | 2 | 12E0100073 ** |
| 14 | 53189 | 12E0100074 | 'Nicoline' | Rhododendron hybr. | Germany | | 2 | 12E0100074 ** |
| 15 | 53191 | 12E0100076 | 'Picturatum' | Rhododendron maximum L. | United Kingdom | | 2 | 12E0100076 ** |
| 16 | 53200 | 12E0100085 | 'Alaric' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100085 ** |
| 17 | 53202 | 12E0100087 | 'Albert Schweitzer' | Rhododendron hybr. | Netherlands | | 2 | 12E0100087 ** |
| 18 | 53211 | 12E0100096 | 'Arnim' | Rhododendron hybr. | Germany | | 2 | 12E0100096 ** |
| 19 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 2 | 12E0100099 ** |
| 20 | 53240 | 12E0100125 | 'Doctor V. H. Rutgers' | Rhododendron hybr. | Netherlands | | 2 | 12E0100125 ** |
| 21 | 53272 | 12E0100157 | 'Hassan' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100157 ** |
| 22 | 53283 | 12E0100168 | 'May Firth' | Rhododendron hybr. | unknown | | 2 | 12E0100168 ** |
| 23 | 53295 | 12E0100180 | 'Marie Fortie' | Rhododendron hybr. | Belgium | | 2 | 12E0100180 ** |
| 24 | 53317 | 12E0100202 | 'Lissabon' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 2 | 12E0100202 ** |
| 25 | 53323 | 12E0100208 | 'Nova Zembla' | Rhododendron catawbiense Michx. | Netherlands | | 2 | 12E0100208 ** |
| 26 | 53329 | 12E0100214 | 'Polar Star' | Rhododendron smirnowii Trautv. | Netherlands | | 2 | 12E0100214 ** |
| 27 | 53336 | 12E0100221 | 'Renata' | Rhododendron hybr. | Germany | | 2 | 12E0100221 ** |
| 28 | 53338 | 12E0100223 | 'Roseum Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100223 ** |
| 29 | 53342 | 12E0100227 | 'Scharnhorst' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100227 ** |
| 30 | 53343 | 12E0100228 | 'Schneekrone' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100228 ** |
| 31 | 53344 | 12E0100229 | 'Schneewolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100229 ** |
| 32 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 2 | 12E0100231 ** |
| 33 | 53352 | 12E0100237 | 'Van Weerden Poelman' | Rhododendron hybr. | Netherlands | | 2 | 12E0100237 ** |
| 34 | 53353 | 12E0100238 | 'August Lamken' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 2 | 12E0100238 ** |
| 35 | 53357 | 12E0100242 | 'Elisabeth Hobbie' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 2 | 12E0100242 ** |
| 36 | 53359 | 12E0100244 | 'Hachmann's Evelyn' | Rhododendron hybr. | Germany | | 2 | 12E0100244 ** |
| 37 | 53362 | 12E0100247 | 'Goldrausch' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100247 ** |
| 38 | 53371 | 12E0100256 | 'Hachmann's Lagerfeuer' | Rhododendron hybr. | Germany | | 2 | 12E0100256 ** |
| 39 | 53375 | 12E0100260 | 'Maharani' | Rhododendron hybr. | Germany | | 2 | 12E0100260 ** |
| 40 | 53386 | 12E0100271 | 'Rendezvous' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100271 ** |
| 41 | 53387 | 12E0100272 | 'Hachmann's Rosarka' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 2 | 12E0100272 ** |
| 42 | 53397 | 12E0100282 | 'Admiral Vanessa' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 2 | 12E0100282 ** |
| 43 | 53399 | 12E0100284 | 'Anna Robenek' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 2 | 12E0100284 ** |
| 44 | 53400 | 12E0100285 | 'Donar' | Rhododendron smirnowii Trautv. | Germany | | 2 | 12E0100285 ** |
| 45 | 53402 | 12E0100287 | 'Kluis Sensation' | Rhododendron griffithianum Wight | Netherlands | | 2 | 12E0100287 ** |
| 46 | 53412 | 12E0100297 | 'Caucasicum Pictum' | Rhododendron caucasicum Pall. | United Kingdom | | 2 | 12E0100297 ** |
| 47 | 53414 | 12E0100299 | 'Hachmann's Constanze' | Rhododendron hybr. | Germany | | 2 | 12E0100299 ** |
| 48 | 53421 | 12E0100306 | 'Queen Mary' | Rhododendron hybr. | Netherlands | | 2 | 12E0100306 ** |
| 49 | 53431 | 12E0100316 | 'Cornelia Schroeder' | Rhododendron hybr. | Germany | | 2 | 12E0100316 ** |
| 50 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 2 | 12E0100318 ** |
| 51 | 53445 | 12E0100330 | 'Pink Perfection' | Rhododendron hybr. | Belgium | | 2 | 12E0100330 ** |
| 52 | 53453 | 12E0100338 | 'Odessa' | Rhododendron smirnowii Trautv. | unknown | | 2 | 12E0100338 ** |
| 53 | 53460 | 12E0100345 | 'Hachmann's Felicitas' | Rhododendron hybr. | Germany | | 2 | 12E0100345 ** |
| 54 | 53461 | 12E0100346 | 'Marietta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100346 ** |
| 55 | 53467 | 12E0100352 | 'Astrid' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100352 ** |
| 56 | 53482 | 12E0100367 | 'Festivo' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100367 ** |
| 57 | 53497 | 12E0100382 | 'Albert Close' | Rhododendron maximum L. | unknown | | 2 | 12E0100382 ** |
| 58 | 53504 | 12E0100389 | 'Besse Howells' | Rhododendron catawbiense Michx. | United States | | 2 | 12E0100389 ** |
| 59 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100394 ** |
| 60 | 53512 | 12E0100397 | 'Cynthia' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100397 ** |
| 61 | 53526 | 12E0100411 | 'Gina Lollobrigida' | Rhododendron hybr. | Netherlands | | 2 | 12E0100411 ** |
| 62 | 53529 | 12E0100414 | 'Herkules' | Rhododendron campanulatum D. Don | Germany | | 2 | 12E0100414 ** |
| 63 | 53544 | 12E0100429 | 'Lady Longman' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100429 ** |
| 64 | 53553 | 12E0100438 | 'Mrs T. H. Lowinsky' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100438 ** |
| 65 | 53562 | 12E0100447 | 'Professor J. H. Zaaijer' | Rhododendron catawbiense Michx. | Netherlands | | 2 | 12E0100447 ** |
| 66 | 53567 | 12E0100452 | 'Rosa Perle' | Rhododendron makinoi Tagg ex Nakai | Germany | | 2 | 12E0100452 ** |
| 67 | 53571 | 12E0100456 | 'Schneespiegel' | Rhododendron hybr. | Germany | | 2 | 12E0100456 ** |
| 68 | 53614 | 12E0100499 | 'Spaetlese' | Rhododendron hybr. | unknown | | 2 | 12E0100499 ** |
| 69 | 53615 | 12E0100500 | 'Brunella' | Rhododendron hybr. | unknown | | 2 | 12E0100500 ** |
| 70 | 53631 | 12E0100516 | 'Doria' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 2 | 12E0100516 ** |
| 71 | 53634 | 12E0100519 | 'Koenigstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 2 | 12E0100519 ** |
| 72 | 53639 | 12E0100524 | 'Hachmann's Estrella' | Rhododendron hybr. | Germany | | 2 | 12E0100524 ** |
| 73 | 53653 | 12E0100539 | 'Hachmann's Granada' | Rhododendron hybr. | Germany | | 2 | 12E0100539 ** |
| 74 | 53663 | 12E0100549 | 'Karolina Svetla' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 2 | 12E0100549 ** |
| 75 | 53675 | 12E0100561 | 'Vuyk's Rosyred' | Rhododendron hybr. | unknown | | 2 | 12E0100561 ** |
| 76 | 53682 | 12E0100601 | 'Blanice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 2 | 12E0100601 ** |
| 77 | 53687 | 12E0100606 | 'Morava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 2 | 12E0100606 ** |
| 78 | 53692 | 12E0100611 | 'Vltava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 2 | 12E0100611 ** |
| 79 | 53702 | 12E0100806 | 'Hachmann's Mikado' | Rhododendron hybr. | Germany | | 2 | 12E0100806 ** |
| 80 | 53703 | 12E0100807 | 'Anna Rose Whitney' | Rhododendron hybr. | United States | | 2 | 12E0100807 ** |
| 81 | 53704 | 12E0100808 | 'Nippon' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100808 ** |
| 82 | 53705 | 12E0100809 | 'Bilderdijk' | Rhododendron hybr. | Belgium | | 2 | 12E0100809 ** |
| 83 | 53709 | 12E0100813 | 'Germania' | Rhododendron hybr. | Germany | | 2 | 12E0100813 ** |
| 84 | 53711 | 12E0100815 | 'Jock Brydon' | Rhododendron occidentale (Torr. & A. Gray) A. Gray | Oregon, United States | | 2 | 12E0100815 ** |
| 85 | 53715 | 12E0100819 | 'Viscy' | Rhododendron hybr. | Germany | | 2 | 12E0100819 ** |
| 86 | 53719 | 12E0100823 | 'Hachmann's Kabarett' | Rhododendron hybr. | Germany | | 2 | 12E0100823 ** |
| 87 | 53726 | 12E0100830 | 'Hermine Seidel' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100830 ** |
| 88 | 53727 | 12E0100831 | 'Goeteborg' | Rhododendron smirnowii Trautv. | Sweden | | 2 | 12E0100831 ** |
| 89 | 53729 | 12E0100833 | 'Taurus' | Rhododendron catawbiense Michx. | United States | | 2 | 12E0100833 ** |
| 90 | 53730 | 12E0100834 | 'Hachmann's Feuerschein' | Rhododendron hybr. | Germany | | 2 | 12E0100834 ** |
| 91 | 53733 | 12E0100837 | 'Charis' | Rhododendron hybr. | Germany | | 2 | 12E0100837 ** |
| 92 | 53735 | 12E0100839 | 'Kuks' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100839 ** |
| 93 | 53739 | 12E0100843 | 'Loket' | Rhododendron strigillosum Franch. | Czech Republic | | 2 | 12E0100843 ** |
| 94 | 53740 | 12E0100844 | 'Mala Skala' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100844 ** |
| 95 | 53742 | 12E0100846 | 'Rohozec' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100846 ** |
| 96 | 53743 | 12E0100847 | 'Velka Morava' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100847 ** |
| 97 | 53745 | 12E0100849 | 'Veltrusy' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100849 ** |
| 98 | 53746 | 12E0100850 | 'Fuellhorn' | Rhododendron hybr. | Germany | | 2 | 12E0100850 ** |
| 99 | 53763 | 12E0100867 | 'Belladona' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100867 ** |
| 100 | 53765 | 12E0100869 | 'Ignatius Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100869 ** |
| 101 | 53766 | 12E0100870 | 'Christian' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100870 ** |
| 102 | 53768 | 12E0100872 | 'Osmar' | Rhododendron williamsianum Rehder & E. H. Wilson | United Kingdom | | 2 | 12E0100872 ** |
| 103 | 53769 | 12E0100873 | 'C. S. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100873 ** |
| 104 | 53773 | 12E0100877 | 'Sovinec' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100877 ** |
| 105 | 53775 | 12E0100879 | 'Krakovec' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100879 ** |
| 106 | 64801 | 12E0100881 | 'Jezeri' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100881 ** |
| 107 | 65840 | 12E0100887 | 'Karin Seleger' | Rhododendron insigne Hemsl. & E. H. Wilson | Switzerland | | 2 | 12E0100887 ** |
| 108 | 65919 | 12E0100894 | 'Hachhans' | Rhododendron hybr. | Germany | | 2 | 12E0100894 ** |
| 109 | 67928 | 12E0100897 | 'Kozakov' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100897 ** |
| 110 | 68273 | 12E0100568 | 'Certoryje' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100568 ** |