| 0 | 53116 | 12E0100001 | 'Alena' | Rhododendron decorum Franch. | Czechoslovakia | | 0 | 12E0100001 ** |
| 1 | 53119 | 12E0100004 | 'Bohumil Kavka' | Rhododendron hybr. | Czechoslovakia | | 0 | 12E0100004 ** |
| 2 | 53128 | 12E0100013 | 'Milan' | Rhododendron hybr. | Czechoslovakia | | 0 | 12E0100013 ** |
| 3 | 53133 | 12E0100018 | 'Petr' | Rhododendron hybr. | Czechoslovakia | | 0 | 12E0100018 ** |
| 4 | 53153 | 12E0100038 | 'Catawbiense Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100038 ** |
| 5 | 53154 | 12E0100039 | 'Cunningham's White' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100039 ** |
| 6 | 53161 | 12E0100046 | 'Furnivall's Daughter' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100046 ** |
| 7 | 53168 | 12E0100053 | 'Herme' | Rhododendron hybr. | Germany | | 0 | 12E0100053 ** |
| 8 | 53179 | 12E0100064 | 'Lavender Girl' | Rhododendron fortunei Lindl. subsp. fortunei | United Kingdom | | 0 | 12E0100064 ** |
| 9 | 53191 | 12E0100076 | 'Picturatum' | Rhododendron maximum L. | United Kingdom | | 0 | 12E0100076 ** |
| 10 | 53194 | 12E0100079 | 'Quapp' | Rhododendron hybr. | Germany | | 0 | 12E0100079 ** |
| 11 | 53198 | 12E0100083 | 'Admiral Piet Hein' | Rhododendron hybr. | Netherlands | | 0 | 12E0100083 ** |
| 12 | 53199 | 12E0100084 | 'Verbesserte Adriaan Koster' | Rhododendron hybr. | Netherlands | | 0 | 12E0100084 ** |
| 13 | 53213 | 12E0100098 | 'August' | Rhododendron hybr. | Germany | | 0 | 12E0100098 ** |
| 14 | 53221 | 12E0100106 | 'Blue Tit' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 0 | 12E0100106 ** |
| 15 | 53229 | 12E0100114 | 'Darius' | Rhododendron smirnowii Trautv. | Germany | | 0 | 12E0100114 ** |
| 16 | 53235 | 12E0100120 | 'Direktoer E. Hjelm' | Rhododendron fortunei Lindl. subsp. fortunei | Netherlands | | 0 | 12E0100120 ** |
| 17 | 53242 | 12E0100127 | 'Duke of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 0 | 12E0100127 ** |
| 18 | 53253 | 12E0100138 | 'Sir Charles Butler' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 0 | 12E0100138 ** |
| 19 | 53262 | 12E0100147 | 'Giganteum' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100147 ** |
| 20 | 53303 | 12E0100188 | 'Canary' | Rhododendron hybr. | Netherlands | | 0 | 12E0100188 ** |
| 21 | 53316 | 12E0100201 | 'Leopardii' | Rhododendron arboreum Sm. | United Kingdom | | 0 | 12E0100201 ** |
| 22 | 53322 | 12E0100207 | 'Mrs P. den Ouden' | Rhododendron hybr. | Netherlands | | 0 | 12E0100207 ** |
| 23 | 53331 | 12E0100216 | 'Cannon's Double' | Rhododendron hybr. | United States | | 0 | 12E0100216 ** |
| 24 | 53338 | 12E0100223 | 'Roseum Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100223 ** |
| 25 | 53373 | 12E0100258 | 'Toucan' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100258 ** |
| 26 | 53385 | 12E0100270 | 'Redwood' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 0 | 12E0100270 ** |
| 27 | 53405 | 12E0100290 | 'Prinses Marijke' | Rhododendron hybr. | Netherlands | | 0 | 12E0100290 ** |
| 28 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 0 | 12E0100311 ** |
| 29 | 53429 | 12E0100314 | 'Persil' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100314 ** |
| 30 | 53444 | 12E0100329 | 'Doktor Ernst Schaele' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 0 | 12E0100329 ** |
| 31 | 53445 | 12E0100330 | 'Pink Perfection' | Rhododendron hybr. | Belgium | | 0 | 12E0100330 ** |
| 32 | 53492 | 12E0100377 | 'Sarina' | Rhododendron hybr. | Germany | | 0 | 12E0100377 ** |
| 33 | 53496 | 12E0100381 | 'James Burchett' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 0 | 12E0100381 ** |
| 34 | 53503 | 12E0100388 | 'Bertha' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100388 ** |
| 35 | 53506 | 12E0100391 | 'Blue Tit Magor' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 0 | 12E0100391 ** |
| 36 | 53507 | 12E0100392 | 'Bluebird' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100392 ** |
| 37 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100394 ** |
| 38 | 53511 | 12E0100396 | 'Curlew' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100396 ** |
| 39 | 53536 | 12E0100421 | 'Hachmann's Juanita' | Rhododendron hybr. | Germany | | 0 | 12E0100421 ** |
| 40 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 0 | 12E0100423 ** |
| 41 | 53540 | 12E0100425 | 'Radiant' | Rhododendron hybr. | Netherlands | | 0 | 12E0100425 ** |
| 42 | 53545 | 12E0100430 | 'Ladybird' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 0 | 12E0100430 ** |
| 43 | 53559 | 12E0100444 | 'Pride of Cambridge' | Rhododendron hybr. | unknown | | 0 | 12E0100444 ** |
| 44 | 53560 | 12E0100445 | 'Silver Slipper' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100445 ** |
| 45 | 53589 | 12E0100474 | 'Cecile' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100474 ** |
| 46 | 53591 | 12E0100476 | 'Fasching' | Rhododendron hybr. | Germany | | 0 | 12E0100476 ** |
| 47 | 53598 | 12E0100483 | 'Golden Flare' | Rhododendron hybr. | Netherlands | | 0 | 12E0100483 ** |
| 48 | 53608 | 12E0100493 | 'Allotria' | Rhododendron kaempferi Planch. | Germany | | 0 | 12E0100493 ** |
| 49 | 53609 | 12E0100494 | 'Azurika' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 0 | 12E0100494 ** |
| 50 | 53610 | 12E0100495 | 'Azurwolke' | Rhododendron hybr. | unknown | | 0 | 12E0100495 ** |
| 51 | 53613 | 12E0100498 | 'Blaauw's Pink' | Rhododendron hybr. | unknown | | 0 | 12E0100498 ** |
| 52 | 53618 | 12E0100503 | 'Campfire' | Rhododendron hybr. | unknown | | 0 | 12E0100503 ** |
| 53 | 53625 | 12E0100510 | 'Corneille' | Rhododendron hybr. | unknown | | 0 | 12E0100510 ** |
| 54 | 53626 | 12E0100511 | 'Diamant Lachs' | Rhododendron kiusianum Makino | Germany | | 0 | 12E0100511 ** |
| 55 | 53627 | 12E0100512 | 'Diamant Purpur' | Rhododendron kiusianum Makino | Germany | | 0 | 12E0100512 ** |
| 56 | 53628 | 12E0100513 | 'Diamant Rosa' | Rhododendron kiusianum Makino | Germany | | 0 | 12E0100513 ** |
| 57 | 53629 | 12E0100514 | 'Diamant Rot' | Rhododendron kiusianum Makino | Germany | | 0 | 12E0100514 ** |
| 58 | 53631 | 12E0100516 | 'Doria' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 0 | 12E0100516 ** |
| 59 | 53634 | 12E0100519 | 'Koenigstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 0 | 12E0100519 ** |
| 60 | 53635 | 12E0100520 | 'Lilienstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 0 | 12E0100520 ** |
| 61 | 53636 | 12E0100521 | 'Rauschenstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 0 | 12E0100521 ** |
| 62 | 53637 | 12E0100522 | 'Schrammstein' | Rhododendron kiusianum Makino | unknown | | 0 | 12E0100522 ** |
| 63 | 53638 | 12E0100523 | 'Wildenstein' | Rhododendron kiusianum Makino | unknown | | 0 | 12E0100523 ** |
| 64 | 53639 | 12E0100524 | 'Hachmann's Estrella' | Rhododendron hybr. | Germany | | 0 | 12E0100524 ** |
| 65 | 53644 | 12E0100530 | 'Florida' | Rhododendron hybr. | unknown | | 0 | 12E0100530 ** |
| 66 | 53645 | 12E0100531 | 'Satschiko' | Rhododendron hybr. | Germany | | 0 | 12E0100531 ** |
| 67 | 53653 | 12E0100539 | 'Hachmann's Granada' | Rhododendron hybr. | Germany | | 0 | 12E0100539 ** |
| 68 | 53655 | 12E0100541 | 'Haruko' | Rhododendron hybr. | unknown | | 0 | 12E0100541 ** |
| 69 | 53660 | 12E0100546 | 'Hinodegiri' | Rhododendron hybr. | Japan | | 0 | 12E0100546 ** |
| 70 | 53662 | 12E0100548 | 'Marie Podvalova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 0 | 12E0100548 ** |
| 71 | 53663 | 12E0100549 | 'Karolina Svetla' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 0 | 12E0100549 ** |
| 72 | 53664 | 12E0100550 | 'Bozena Nemcova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 0 | 12E0100550 ** |
| 73 | 53665 | 12E0100551 | 'Zofie Podlipska' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 0 | 12E0100551 ** |
| 74 | 53666 | 12E0100552 | 'Pavla Kytlicova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 0 | 12E0100552 ** |
| 75 | 53672 | 12E0100558 | 'Silvester' | Rhododendron hybr. | Netherlands | | 0 | 12E0100558 ** |
| 76 | 53674 | 12E0100560 | 'Marilee' | Rhododendron nakaharae Hayata | unknown | | 0 | 12E0100560 ** |
| 77 | 53675 | 12E0100561 | 'Vuyk's Rosyred' | Rhododendron hybr. | unknown | | 0 | 12E0100561 ** |
| 78 | 53677 | 12E0100563 | 'Audia' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 0 | 12E0100563 ** |
| 79 | 53678 | 12E0100564 | 'Krumlov' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 0 | 12E0100564 ** |
| 80 | 53679 | 12E0100565 | 'Buchlovice' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 0 | 12E0100565 ** |
| 81 | 53681 | 12E0100567 | 'Signalgluehen' | Rhododendron hybr. | Germany | | 0 | 12E0100567 ** |
| 82 | 53682 | 12E0100601 | 'Blanice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100601 ** |
| 83 | 53683 | 12E0100602 | 'Boubin' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100602 ** |
| 84 | 53684 | 12E0100603 | 'Doubrava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100603 ** |
| 85 | 53685 | 12E0100604 | 'Profesor Jersov' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100604 ** |
| 86 | 53686 | 12E0100605 | 'Labe' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100605 ** |
| 87 | 53687 | 12E0100606 | 'Morava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100606 ** |
| 88 | 53688 | 12E0100607 | 'Orlice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100607 ** |
| 89 | 53689 | 12E0100608 | 'Oslava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100608 ** |
| 90 | 53690 | 12E0100609 | 'Otava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100609 ** |
| 91 | 53691 | 12E0100610 | 'Sazava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100610 ** |
| 92 | 53692 | 12E0100611 | 'Vltava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 0 | 12E0100611 ** |
| 93 | 53693 | 12E0100612 | 'Ledikanense' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czechoslovakia | | 0 | 12E0100612 ** |
| 94 | 53695 | 12E0100702 | 'Largo' | Rhododendron forrestii Balf. f. ex Diels | Czechoslovakia | | 0 | 12E0100702 ** |
| 95 | 53712 | 12E0100816 | 'Madame Albert van Hecke' | Rhododendron kaempferi Planch. | Belgium | | 0 | 12E0100816 ** |
| 96 | 53716 | 12E0100820 | 'Bariton' | Rhododendron hybr. | Germany | | 0 | 12E0100820 ** |
| 97 | 53719 | 12E0100823 | 'Hachmann's Kabarett' | Rhododendron hybr. | Germany | | 0 | 12E0100823 ** |
| 98 | 53728 | 12E0100832 | 'Moser's Maroon' | Rhododendron hybr. | France | | 0 | 12E0100832 ** |
| 99 | 53734 | 12E0100838 | 'Cervena Lhota' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 0 | 12E0100838 ** |
| 100 | 53739 | 12E0100843 | 'Loket' | Rhododendron strigillosum Franch. | Czech Republic | | 0 | 12E0100843 ** |
| 101 | 53740 | 12E0100844 | 'Mala Skala' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 0 | 12E0100844 ** |
| 102 | 53741 | 12E0100845 | 'Profesor Scholz' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czech Republic | | 0 | 12E0100845 ** |
| 103 | 53742 | 12E0100846 | 'Rohozec' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 0 | 12E0100846 ** |
| 104 | 53743 | 12E0100847 | 'Velka Morava' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 0 | 12E0100847 ** |
| 105 | 53745 | 12E0100849 | 'Veltrusy' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 0 | 12E0100849 ** |
| 106 | 53747 | 12E0100851 | 'Vizovice' | Rhododendron kiusianum Makino | Czech Republic | | 0 | 12E0100851 ** |
| 107 | 53748 | 12E0100852 | 'Bouzov' | Rhododendron decorum Franch. | Czech Republic | | 0 | 12E0100852 ** |
| 108 | 53751 | 12E0100855 | 'Blue Boy' | Rhododendron hybr. | Washington, United States | | 0 | 12E0100855 ** |
| 109 | 53752 | 12E0100856 | 'Krivoklat' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100856 ** |
| 110 | 53754 | 12E0100858 | 'Bezdez' | Rhododendron ponticum L. | Czech Republic | | 0 | 12E0100858 ** |
| 111 | 53756 | 12E0100860 | 'Hluboka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 0 | 12E0100860 ** |
| 112 | 53757 | 12E0100861 | 'Karlstejn' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100861 ** |
| 113 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100862 ** |
| 114 | 53759 | 12E0100863 | 'Lipnice' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100863 ** |
| 115 | 53769 | 12E0100873 | 'C. S. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100873 ** |
| 116 | 53772 | 12E0100876 | 'Svihov' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100876 ** |
| 117 | 53773 | 12E0100877 | 'Sovinec' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100877 ** |
| 118 | 53774 | 12E0100878 | 'Strekov' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100878 ** |
| 119 | 53775 | 12E0100879 | 'Krakovec' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100879 ** |
| 120 | 65600 | 12E0100882 | 'Klenova' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100882 ** |
| 121 | 65825 | 12E0100885 | 'Zvikov' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100885 ** |
| 122 | 67928 | 12E0100897 | 'Kozakov' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100897 ** |