| 0 | 53116 | 12E0100001 | 'Alena' | Rhododendron decorum Franch. | Czechoslovakia | | 2 | 12E0100001 ** |
| 1 | 53119 | 12E0100004 | 'Bohumil Kavka' | Rhododendron hybr. | Czechoslovakia | | 2 | 12E0100004 ** |
| 2 | 53122 | 12E0100007 | 'Eva' | Rhododendron hybr. | Czechoslovakia | | 2 | 12E0100007 ** |
| 3 | 53127 | 12E0100012 | 'Marka' | Rhododendron decorum Franch. | Czechoslovakia | | 2 | 12E0100012 ** |
| 4 | 53128 | 12E0100013 | 'Milan' | Rhododendron hybr. | Czechoslovakia | | 2 | 12E0100013 ** |
| 5 | 53129 | 12E0100014 | 'Moravanka' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 2 | 12E0100014 ** |
| 6 | 53130 | 12E0100015 | 'Marie Oliva Schlickova' | Rhododendron decorum Franch. | Czechoslovakia | | 2 | 12E0100015 ** |
| 7 | 53133 | 12E0100018 | 'Petr' | Rhododendron hybr. | Czechoslovakia | | 2 | 12E0100018 ** |
| 8 | 53136 | 12E0100021 | 'Saba' | Rhododendron decorum Franch. | Czechoslovakia | | 2 | 12E0100021 ** |
| 9 | 53140 | 12E0100025 | 'Album Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100025 ** |
| 10 | 53143 | 12E0100028 | 'America' | Rhododendron hybr. | Netherlands | | 2 | 12E0100028 ** |
| 11 | 53147 | 12E0100032 | 'Blue Danube' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 2 | 12E0100032 ** |
| 12 | 53148 | 12E0100033 | Blue Peter | Rhododendron hybr. | United Kingdom | | 2 | 12E0100033 ** |
| 13 | 53151 | 12E0100036 | 'Catawbiense Album' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100036 ** |
| 14 | 53153 | 12E0100038 | 'Catawbiense Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100038 ** |
| 15 | 53155 | 12E0100040 | 'Violetta' | Rhododendron decorum Franch. | Czech Republic | | 2 | 12E0100040 ** |
| 16 | 53166 | 12E0100051 | 'Gomer Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100051 ** |
| 17 | 53176 | 12E0100061 | 'Lady Annette de Trafford' | Rhododendron maximum L. | United Kingdom | | 2 | 12E0100061 ** |
| 18 | 53179 | 12E0100064 | 'Lavender Girl' | Rhododendron fortunei Lindl. subsp. fortunei | United Kingdom | | 2 | 12E0100064 ** |
| 19 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 2 | 12E0100067 ** |
| 20 | 53191 | 12E0100076 | 'Picturatum' | Rhododendron maximum L. | United Kingdom | | 2 | 12E0100076 ** |
| 21 | 53199 | 12E0100084 | 'Verbesserte Adriaan Koster' | Rhododendron hybr. | Netherlands | | 2 | 12E0100084 ** |
| 22 | 53202 | 12E0100087 | 'Albert Schweitzer' | Rhododendron hybr. | Netherlands | | 2 | 12E0100087 ** |
| 23 | 53212 | 12E0100097 | 'Arno' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100097 ** |
| 24 | 53216 | 12E0100101 | 'Bashful' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 2 | 12E0100101 ** |
| 25 | 53221 | 12E0100106 | 'Blue Tit' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 2 | 12E0100106 ** |
| 26 | 53223 | 12E0100108 | 'Sweet Simplicity' | Rhododendron ponticum L. | United Kingdom | | 2 | 12E0100108 ** |
| 27 | 53236 | 12E0100121 | 'Dora Weissbach' | Rhododendron hybr. | unknown | | 2 | 12E0100121 ** |
| 28 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 2 | 12E0100126 ** |
| 29 | 53246 | 12E0100131 | 'Emma' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100131 ** |
| 30 | 53269 | 12E0100154 | 'H. Halven' | Rhododendron hybr. | unknown | | 2 | 12E0100154 ** |
| 31 | 53275 | 12E0100160 | 'Hermann Nitzschner' | Rhododendron hybr. | Germany | | 2 | 12E0100160 ** |
| 32 | 53284 | 12E0100169 | 'Ponticum Roseum' | Rhododendron hybr. | United States | | 2 | 12E0100169 ** |
| 33 | 53288 | 12E0100173 | 'Lady Decies' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100173 ** |
| 34 | 53289 | 12E0100174 | 'Midsummer' | Rhododendron maximum L. | United Kingdom | | 2 | 12E0100174 ** |
| 35 | 53290 | 12E0100175 | 'Moses' | Rhododendron hybr. | Germany | | 2 | 12E0100175 ** |
| 36 | 53294 | 12E0100179 | 'Lord Fairhaven' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100179 ** |
| 37 | 53300 | 12E0100185 | 'Hachmann's Belona' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100185 ** |
| 38 | 53310 | 12E0100195 | 'Hero' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100195 ** |
| 39 | 53319 | 12E0100204 | 'Madame Carvalho' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100204 ** |
| 40 | 53323 | 12E0100208 | 'Nova Zembla' | Rhododendron catawbiense Michx. | Netherlands | | 2 | 12E0100208 ** |
| 41 | 53332 | 12E0100217 | 'Progres' | Rhododendron caucasicum Pall. | unknown | | 2 | 12E0100217 ** |
| 42 | 53344 | 12E0100229 | 'Schneewolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100229 ** |
| 43 | 53350 | 12E0100235 | 'Brigitte' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 2 | 12E0100235 ** |
| 44 | 53361 | 12E0100246 | 'Goldika' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100246 ** |
| 45 | 53368 | 12E0100253 | 'Julischka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100253 ** |
| 46 | 53369 | 12E0100254 | 'Hachmann's Junifeuer' | Rhododendron hybr. | Germany | | 2 | 12E0100254 ** |
| 47 | 53371 | 12E0100256 | 'Hachmann's Lagerfeuer' | Rhododendron hybr. | Germany | | 2 | 12E0100256 ** |
| 48 | 53373 | 12E0100258 | 'Toucan' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100258 ** |
| 49 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100259 ** |
| 50 | 53376 | 12E0100261 | 'Margret' | Rhododendron smirnowii Trautv. | Germany | | 2 | 12E0100261 ** |
| 51 | 53377 | 12E0100262 | 'Obergaertner Robenek' | Rhododendron hybr. | Germany | | 2 | 12E0100262 ** |
| 52 | 53398 | 12E0100283 | 'Ammerland' | Rhododendron hybr. | Germany | | 2 | 12E0100283 ** |
| 53 | 53405 | 12E0100290 | 'Prinses Marijke' | Rhododendron hybr. | Netherlands | | 2 | 12E0100290 ** |
| 54 | 53410 | 12E0100295 | 'Alfred' | Rhododendron hybr. | Germany | | 2 | 12E0100295 ** |
| 55 | 53411 | 12E0100296 | 'Blue Bell' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100296 ** |
| 56 | 53423 | 12E0100308 | 'Susan' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100308 ** |
| 57 | 53438 | 12E0100323 | 'Bruns Schneewittchen' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 2 | 12E0100323 ** |
| 58 | 53439 | 12E0100324 | 'Ursula Seidel' | Rhododendron hybr. | Germany | | 2 | 12E0100324 ** |
| 59 | 53458 | 12E0100343 | 'Belkanto' | Rhododendron hybr. | Germany | | 2 | 12E0100343 ** |
| 60 | 53462 | 12E0100347 | 'Rasputin' | Rhododendron hybr. | Germany | | 2 | 12E0100347 ** |
| 61 | 53469 | 12E0100354 | 'Hachmann's Diadem' | Rhododendron hybr. | Germany | | 2 | 12E0100354 ** |
| 62 | 53471 | 12E0100356 | 'Nicoletta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100356 ** |
| 63 | 53472 | 12E0100357 | 'Konsonanz' | Rhododendron hybr. | Germany | | 2 | 12E0100357 ** |
| 64 | 53476 | 12E0100361 | 'Sonare' | Rhododendron hybr. | Germany | | 2 | 12E0100361 ** |
| 65 | 53480 | 12E0100365 | 'Eruption' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 2 | 12E0100365 ** |
| 66 | 53481 | 12E0100366 | 'Eggert Rohwer' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100366 ** |
| 67 | 53483 | 12E0100368 | 'Fruehlingsgold' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100368 ** |
| 68 | 53489 | 12E0100374 | 'Bruns Loreley' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100374 ** |
| 69 | 53490 | 12E0100375 | 'Otto Hahn' | Rhododendron hybr. | Germany | | 2 | 12E0100375 ** |
| 70 | 53492 | 12E0100377 | 'Sarina' | Rhododendron hybr. | Germany | | 2 | 12E0100377 ** |
| 71 | 53495 | 12E0100380 | 'Nigrescens' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100380 ** |
| 72 | 53498 | 12E0100383 | 'Ariel' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 2 | 12E0100383 ** |
| 73 | 53506 | 12E0100391 | 'Blue Tit Magor' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 2 | 12E0100391 ** |
| 74 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100394 ** |
| 75 | 53511 | 12E0100396 | 'Curlew' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100396 ** |
| 76 | 53512 | 12E0100397 | 'Cynthia' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100397 ** |
| 77 | 53517 | 12E0100402 | 'Edelweiss' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100402 ** |
| 78 | 53525 | 12E0100410 | 'General D. Eisenhower' | Rhododendron griffithianum Wight | Netherlands | | 2 | 12E0100410 ** |
| 79 | 53529 | 12E0100414 | 'Herkules' | Rhododendron campanulatum D. Don | Germany | | 2 | 12E0100414 ** |
| 80 | 53559 | 12E0100444 | 'Pride of Cambridge' | Rhododendron hybr. | unknown | | 2 | 12E0100444 ** |
| 81 | 53560 | 12E0100445 | 'Silver Slipper' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100445 ** |
| 82 | 53562 | 12E0100447 | 'Professor J. H. Zaaijer' | Rhododendron catawbiense Michx. | Netherlands | | 2 | 12E0100447 ** |
| 83 | 53571 | 12E0100456 | 'Schneespiegel' | Rhododendron hybr. | Germany | | 2 | 12E0100456 ** |
| 84 | 53581 | 12E0100466 | 'Kalamaika' | Rhododendron hybr. | Germany | | 2 | 12E0100466 ** |
| 85 | 53602 | 12E0100487 | 'Hachmann's Harlekin' | Rhododendron hybr. | Germany | | 2 | 12E0100487 ** |
| 86 | 53610 | 12E0100495 | 'Azurwolke' | Rhododendron hybr. | unknown | | 2 | 12E0100495 ** |
| 87 | 53613 | 12E0100498 | 'Blaauw's Pink' | Rhododendron hybr. | unknown | | 2 | 12E0100498 ** |
| 88 | 53626 | 12E0100511 | 'Diamant Lachs' | Rhododendron kiusianum Makino | Germany | | 2 | 12E0100511 ** |
| 89 | 53627 | 12E0100512 | 'Diamant Purpur' | Rhododendron kiusianum Makino | Germany | | 2 | 12E0100512 ** |
| 90 | 53629 | 12E0100514 | 'Diamant Rot' | Rhododendron kiusianum Makino | Germany | | 2 | 12E0100514 ** |
| 91 | 53636 | 12E0100521 | 'Rauschenstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 2 | 12E0100521 ** |
| 92 | 53638 | 12E0100523 | 'Wildenstein' | Rhododendron kiusianum Makino | unknown | | 2 | 12E0100523 ** |
| 93 | 53668 | 12E0100554 | 'Baroness Henry Schroeder' | Rhododendron hybr. | Germany | | 2 | 12E0100554 ** |
| 94 | 53671 | 12E0100557 | 'Silberglanz' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100557 ** |
| 95 | 53677 | 12E0100563 | 'Audia' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 2 | 12E0100563 ** |
| 96 | 53682 | 12E0100601 | 'Blanice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 2 | 12E0100601 ** |
| 97 | 53684 | 12E0100603 | 'Doubrava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 2 | 12E0100603 ** |
| 98 | 53688 | 12E0100607 | 'Orlice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 2 | 12E0100607 ** |
| 99 | 53689 | 12E0100608 | 'Oslava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 2 | 12E0100608 ** |
| 100 | 53708 | 12E0100812 | 'Hyperion' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100812 ** |
| 101 | 53710 | 12E0100814 | 'Sapporo' | Rhododendron hybr. | Germany | | 2 | 12E0100814 ** |
| 102 | 53711 | 12E0100815 | 'Jock Brydon' | Rhododendron occidentale (Torr. & A. Gray) A. Gray | Oregon, United States | | 2 | 12E0100815 ** |
| 103 | 53714 | 12E0100818 | 'Monsieur Marcel Menard' | Rhododendron hybr. | France | | 2 | 12E0100818 ** |
| 104 | 53716 | 12E0100820 | 'Bariton' | Rhododendron hybr. | Germany | | 2 | 12E0100820 ** |
| 105 | 53718 | 12E0100822 | 'Dominik' | Rhododendron hybr. | Germany | | 2 | 12E0100822 ** |
| 106 | 53719 | 12E0100823 | 'Hachmann's Kabarett' | Rhododendron hybr. | Germany | | 2 | 12E0100823 ** |
| 107 | 53727 | 12E0100831 | 'Goeteborg' | Rhododendron smirnowii Trautv. | Sweden | | 2 | 12E0100831 ** |
| 108 | 53736 | 12E0100840 | 'Sarasate' | Rhododendron hybr. | Germany | | 2 | 12E0100840 ** |
| 109 | 53737 | 12E0100841 | 'Lednice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100841 ** |
| 110 | 53740 | 12E0100844 | 'Mala Skala' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100844 ** |
| 111 | 53744 | 12E0100848 | 'Bakkarat' | Rhododendron hybr. | Germany | | 2 | 12E0100848 ** |
| 112 | 53746 | 12E0100850 | 'Fuellhorn' | Rhododendron hybr. | Germany | | 2 | 12E0100850 ** |
| 113 | 53747 | 12E0100851 | 'Vizovice' | Rhododendron kiusianum Makino | Czech Republic | | 2 | 12E0100851 ** |
| 114 | 53749 | 12E0100853 | 'Pruhonice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100853 ** |
| 115 | 53763 | 12E0100867 | 'Belladona' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100867 ** |
| 116 | 53772 | 12E0100876 | 'Svihov' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100876 ** |
| 117 | 53773 | 12E0100877 | 'Sovinec' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100877 ** |
| 118 | 53775 | 12E0100879 | 'Krakovec' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100879 ** |
| 119 | 64798 | 12E0100880 | 'Kotnov' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100880 ** |
| 120 | 64801 | 12E0100881 | 'Jezeri' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100881 ** |
| 121 | 65846 | 12E0100888 | 'Snezka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100888 ** |
| 122 | 67927 | 12E0100896 | 'Milesovka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100896 ** |