| 0 | 53116 | 12E0100001 | 'Alena' | Rhododendron decorum Franch. | Czechoslovakia | | 4 | 12E0100001 ** |
| 1 | 53129 | 12E0100014 | 'Moravanka' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 4 | 12E0100014 ** |
| 2 | 53132 | 12E0100017 | 'Panenka' | Rhododendron decorum Franch. | Czechoslovakia | | 4 | 12E0100017 ** |
| 3 | 53138 | 12E0100023 | 'Vilem Heckel' | Rhododendron hybr. | Czechoslovakia | | 4 | 12E0100023 ** |
| 4 | 53149 | 12E0100034 | 'Boule de Neige' | Rhododendron hybr. | France | | 4 | 12E0100034 ** |
| 5 | 53173 | 12E0100058 | 'Jewess' | Rhododendron caucasicum Pall. | Germany | | 4 | 12E0100058 ** |
| 6 | 53199 | 12E0100084 | 'Verbesserte Adriaan Koster' | Rhododendron hybr. | Netherlands | | 4 | 12E0100084 ** |
| 7 | 53216 | 12E0100101 | 'Bashful' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 4 | 12E0100101 ** |
| 8 | 53239 | 12E0100124 | 'Madame Linden' | Rhododendron hybr. | Germany | | 4 | 12E0100124 ** |
| 9 | 53252 | 12E0100137 | 'Mount Everest' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100137 ** |
| 10 | 53262 | 12E0100147 | 'Giganteum' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100147 ** |
| 11 | 53266 | 12E0100151 | 'Goldfort' | Rhododendron fortunei Lindl. subsp. fortunei | United Kingdom | | 4 | 12E0100151 ** |
| 12 | 53271 | 12E0100156 | 'Harvest Moon' | Rhododendron campylocarpum Hook. f. | Netherlands | | 4 | 12E0100156 ** |
| 13 | 53298 | 12E0100183 | 'Bambola' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100183 ** |
| 14 | 53315 | 12E0100200 | 'Lamentosa' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100200 ** |
| 15 | 53316 | 12E0100201 | 'Leopardii' | Rhododendron arboreum Sm. | United Kingdom | | 4 | 12E0100201 ** |
| 16 | 53317 | 12E0100202 | 'Lissabon' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100202 ** |
| 17 | 53326 | 12E0100211 | 'Oudijk's Sensation' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100211 ** |
| 18 | 53331 | 12E0100216 | 'Cannon's Double' | Rhododendron hybr. | United States | | 4 | 12E0100216 ** |
| 19 | 53342 | 12E0100227 | 'Scharnhorst' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100227 ** |
| 20 | 53343 | 12E0100228 | 'Schneekrone' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100228 ** |
| 21 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 4 | 12E0100231 ** |
| 22 | 53353 | 12E0100238 | 'August Lamken' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100238 ** |
| 23 | 53354 | 12E0100239 | 'Blueshine Girl' | Rhododendron wardii W. W. Sm. | Germany | | 4 | 12E0100239 ** |
| 24 | 53359 | 12E0100244 | 'Hachmann's Evelyn' | Rhododendron hybr. | Germany | | 4 | 12E0100244 ** |
| 25 | 53363 | 12E0100248 | 'Bad Eilsen' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 4 | 12E0100248 ** |
| 26 | 53373 | 12E0100258 | 'Toucan' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100258 ** |
| 27 | 53376 | 12E0100261 | 'Margret' | Rhododendron smirnowii Trautv. | Germany | | 4 | 12E0100261 ** |
| 28 | 53392 | 12E0100277 | 'Stadt Essen' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100277 ** |
| 29 | 53395 | 12E0100280 | 'Vorwerk Abendsonne' | Rhododendron hybr. | Germany | | 4 | 12E0100280 ** |
| 30 | 53423 | 12E0100308 | 'Susan' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100308 ** |
| 31 | 53425 | 12E0100310 | 'Goerlitz' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100310 ** |
| 32 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100311 ** |
| 33 | 53427 | 12E0100312 | 'Vater Boehlje' | Rhododendron hybr. | Germany | | 4 | 12E0100312 ** |
| 34 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100313 ** |
| 35 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 4 | 12E0100318 ** |
| 36 | 53468 | 12E0100353 | 'Schneeauge' | Rhododendron hybr. | Germany | | 4 | 12E0100353 ** |
| 37 | 53475 | 12E0100360 | 'Malwine' | Rhododendron hybr. | Germany | | 4 | 12E0100360 ** |
| 38 | 53477 | 12E0100362 | 'Morgenrot' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100362 ** |
| 39 | 53484 | 12E0100369 | 'Sylphides' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100369 ** |
| 40 | 53489 | 12E0100374 | 'Bruns Loreley' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100374 ** |
| 41 | 53490 | 12E0100375 | 'Otto Hahn' | Rhododendron hybr. | Germany | | 4 | 12E0100375 ** |
| 42 | 53492 | 12E0100377 | 'Sarina' | Rhododendron hybr. | Germany | | 4 | 12E0100377 ** |
| 43 | 53499 | 12E0100384 | 'Arthur Stevens' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100384 ** |
| 44 | 53511 | 12E0100396 | 'Curlew' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100396 ** |
| 45 | 53518 | 12E0100403 | 'Saturnus' | Rhododendron hybr. | Netherlands | | 4 | 12E0100403 ** |
| 46 | 53529 | 12E0100414 | 'Herkules' | Rhododendron campanulatum D. Don | Germany | | 4 | 12E0100414 ** |
| 47 | 53536 | 12E0100421 | 'Hachmann's Juanita' | Rhododendron hybr. | Germany | | 4 | 12E0100421 ** |
| 48 | 53540 | 12E0100425 | 'Radiant' | Rhododendron hybr. | Netherlands | | 4 | 12E0100425 ** |
| 49 | 53541 | 12E0100426 | 'Ken Janeck' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 4 | 12E0100426 ** |
| 50 | 53551 | 12E0100436 | 'Melidioso' | Rhododendron hybr. | Germany | | 4 | 12E0100436 ** |
| 51 | 53567 | 12E0100452 | 'Rosa Perle' | Rhododendron makinoi Tagg ex Nakai | Germany | | 4 | 12E0100452 ** |
| 52 | 53568 | 12E0100453 | 'Hachmann's Rosenelfe' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100453 ** |
| 53 | 53571 | 12E0100456 | 'Schneespiegel' | Rhododendron hybr. | Germany | | 4 | 12E0100456 ** |
| 54 | 53573 | 12E0100458 | 'Silver Lady' | Rhododendron hybr. | Germany | | 4 | 12E0100458 ** |
| 55 | 53581 | 12E0100466 | 'Kalamaika' | Rhododendron hybr. | Germany | | 4 | 12E0100466 ** |
| 56 | 53582 | 12E0100467 | 'Soir de Paris' | Rhododendron viscosum (L.) Torr. | Netherlands | | 4 | 12E0100467 ** |
| 57 | 53591 | 12E0100476 | 'Fasching' | Rhododendron hybr. | Germany | | 4 | 12E0100476 ** |
| 58 | 53608 | 12E0100493 | 'Allotria' | Rhododendron kaempferi Planch. | Germany | | 4 | 12E0100493 ** |
| 59 | 53634 | 12E0100519 | 'Koenigstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 4 | 12E0100519 ** |
| 60 | 53635 | 12E0100520 | 'Lilienstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 4 | 12E0100520 ** |
| 61 | 53636 | 12E0100521 | 'Rauschenstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 4 | 12E0100521 ** |
| 62 | 53638 | 12E0100523 | 'Wildenstein' | Rhododendron kiusianum Makino | unknown | | 4 | 12E0100523 ** |
| 63 | 53645 | 12E0100531 | 'Satschiko' | Rhododendron hybr. | Germany | | 4 | 12E0100531 ** |
| 64 | 53653 | 12E0100539 | 'Hachmann's Granada' | Rhododendron hybr. | Germany | | 4 | 12E0100539 ** |
| 65 | 53654 | 12E0100540 | 'Graziella' | Rhododendron hybr. | Germany | Historic | 4 | 12E0100540 ** |
| 66 | 53655 | 12E0100541 | 'Haruko' | Rhododendron hybr. | unknown | | 4 | 12E0100541 ** |
| 67 | 53660 | 12E0100546 | 'Hinodegiri' | Rhododendron hybr. | Japan | | 4 | 12E0100546 ** |
| 68 | 53662 | 12E0100548 | 'Marie Podvalova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100548 ** |
| 69 | 53663 | 12E0100549 | 'Karolina Svetla' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100549 ** |
| 70 | 53664 | 12E0100550 | 'Bozena Nemcova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100550 ** |
| 71 | 53665 | 12E0100551 | 'Zofie Podlipska' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100551 ** |
| 72 | 53667 | 12E0100553 | 'Fuego' | Rhododendron haematodes Franch. | Germany | | 4 | 12E0100553 ** |
| 73 | 53671 | 12E0100557 | 'Silberglanz' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100557 ** |
| 74 | 53672 | 12E0100558 | 'Silvester' | Rhododendron hybr. | Netherlands | | 4 | 12E0100558 ** |
| 75 | 53675 | 12E0100561 | 'Vuyk's Rosyred' | Rhododendron hybr. | unknown | | 4 | 12E0100561 ** |
| 76 | 53681 | 12E0100567 | 'Signalgluehen' | Rhododendron hybr. | Germany | | 4 | 12E0100567 ** |
| 77 | 53682 | 12E0100601 | 'Blanice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100601 ** |
| 78 | 53683 | 12E0100602 | 'Boubin' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100602 ** |
| 79 | 53684 | 12E0100603 | 'Doubrava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100603 ** |
| 80 | 53685 | 12E0100604 | 'Profesor Jersov' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100604 ** |
| 81 | 53686 | 12E0100605 | 'Labe' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100605 ** |
| 82 | 53687 | 12E0100606 | 'Morava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100606 ** |
| 83 | 53688 | 12E0100607 | 'Orlice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100607 ** |
| 84 | 53690 | 12E0100609 | 'Otava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100609 ** |
| 85 | 53691 | 12E0100610 | 'Sazava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100610 ** |
| 86 | 53692 | 12E0100611 | 'Vltava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100611 ** |
| 87 | 53693 | 12E0100612 | 'Ledikanense' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czechoslovakia | | 4 | 12E0100612 ** |
| 88 | 53699 | 12E0100803 | 'Reve d'Amour' | Rhododendron viscosum (L.) Torr. | Netherlands | | 4 | 12E0100803 ** |
| 89 | 53712 | 12E0100816 | 'Madame Albert van Hecke' | Rhododendron kaempferi Planch. | Belgium | | 4 | 12E0100816 ** |
| 90 | 53715 | 12E0100819 | 'Viscy' | Rhododendron hybr. | Germany | | 4 | 12E0100819 ** |
| 91 | 53718 | 12E0100822 | 'Dominik' | Rhododendron hybr. | Germany | | 4 | 12E0100822 ** |
| 92 | 53724 | 12E0100828 | 'Schneeglanz' | Rhododendron obtusum (Lindl.) Planch. | Germany | | 4 | 12E0100828 ** |
| 93 | 53726 | 12E0100830 | 'Hermine Seidel' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100830 ** |
| 94 | 53727 | 12E0100831 | 'Goeteborg' | Rhododendron smirnowii Trautv. | Sweden | | 4 | 12E0100831 ** |
| 95 | 53732 | 12E0100836 | 'Dolcemente' | Rhododendron hybr. | Germany | | 4 | 12E0100836 ** |
| 96 | 53735 | 12E0100839 | 'Kuks' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100839 ** |
| 97 | 53740 | 12E0100844 | 'Mala Skala' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100844 ** |
| 98 | 53742 | 12E0100846 | 'Rohozec' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100846 ** |
| 99 | 53749 | 12E0100853 | 'Pruhonice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100853 ** |
| 100 | 65823 | 12E0100883 | 'Rusalka' | Rhododendron decorum Franch. | Czechoslovakia | | 4 | 12E0100883 ** |
| 101 | 65824 | 12E0100884 | 'Loreta' | Rhododendron wardii W. W. Sm. | Czech Republic | | 4 | 12E0100884 ** |
| 102 | 65825 | 12E0100885 | 'Zvikov' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100885 ** |
| 103 | 65846 | 12E0100888 | 'Snezka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100888 ** |
| 104 | 66597 | 12E0100895 | 'Rotkaeppchen' | Rhododendron hybr. | Germany | | 4 | 12E0100895 ** |
| 105 | 67927 | 12E0100896 | 'Milesovka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100896 ** |
| 106 | 68273 | 12E0100568 | 'Certoryje' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100568 ** |