| 0 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 5 | 12E0100006 ** |
| 1 | 53131 | 12E0100016 | 'Motyl' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100016 ** |
| 2 | 53135 | 12E0100020 | 'Rose Marie' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100020 ** |
| 3 | 53142 | 12E0100027 | 'Album Novum' | Rhododendron catawbiense Michx. | Belgium | | 5 | 12E0100027 ** |
| 4 | 53145 | 12E0100030 | 'Bellini' | Rhododendron wardii W. W. Sm. | Germany | | 5 | 12E0100030 ** |
| 5 | 53154 | 12E0100039 | 'Cunningham's White' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100039 ** |
| 6 | 53158 | 12E0100043 | 'Everestianum' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100043 ** |
| 7 | 53159 | 12E0100044 | 'F. D. Godman' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100044 ** |
| 8 | 53160 | 12E0100045 | 'Fastuosum Flore Pleno' | Rhododendron hybr. | unknown | | 5 | 12E0100045 ** |
| 9 | 53162 | 12E0100047 | 'General Grant' | Rhododendron catawbiense Michx. | United States | | 5 | 12E0100047 ** |
| 10 | 53168 | 12E0100053 | 'Herme' | Rhododendron hybr. | Germany | | 5 | 12E0100053 ** |
| 11 | 53169 | 12E0100054 | 'Holbein' | Rhododendron hybr. | Germany | | 5 | 12E0100054 ** |
| 12 | 53189 | 12E0100074 | 'Nicoline' | Rhododendron hybr. | Germany | | 5 | 12E0100074 ** |
| 13 | 53199 | 12E0100084 | 'Verbesserte Adriaan Koster' | Rhododendron hybr. | Netherlands | | 5 | 12E0100084 ** |
| 14 | 53204 | 12E0100089 | 'Allah' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100089 ** |
| 15 | 53209 | 12E0100094 | 'Anton' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100094 ** |
| 16 | 53210 | 12E0100095 | 'Mrs Davies Evans' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100095 ** |
| 17 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 5 | 12E0100099 ** |
| 18 | 53218 | 12E0100103 | 'Madame Jules Porges' | Rhododendron hybr. | France | | 5 | 12E0100103 ** |
| 19 | 53221 | 12E0100106 | 'Blue Tit' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 5 | 12E0100106 ** |
| 20 | 53235 | 12E0100120 | 'Direktoer E. Hjelm' | Rhododendron fortunei Lindl. subsp. fortunei | Netherlands | | 5 | 12E0100120 ** |
| 21 | 53238 | 12E0100123 | 'Doktor h. c. Alexander Steffen' | Rhododendron hybr. | unknown | | 5 | 12E0100123 ** |
| 22 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 5 | 12E0100126 ** |
| 23 | 53243 | 12E0100128 | 'Effner' | Rhododendron hybr. | Germany | | 5 | 12E0100128 ** |
| 24 | 53244 | 12E0100129 | 'Eidam' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 5 | 12E0100129 ** |
| 25 | 53246 | 12E0100131 | 'Emma' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100131 ** |
| 26 | 53247 | 12E0100132 | 'Erich' | Rhododendron hybr. | Germany | | 5 | 12E0100132 ** |
| 27 | 53248 | 12E0100133 | 'Erika' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 5 | 12E0100133 ** |
| 28 | 53252 | 12E0100137 | 'Mount Everest' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100137 ** |
| 29 | 53261 | 12E0100146 | 'Gesche' | Rhododendron hybr. | Germany | | 5 | 12E0100146 ** |
| 30 | 53267 | 12E0100152 | 'Goldsworth Yellow' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100152 ** |
| 31 | 53280 | 12E0100165 | 'Ibsen' | Rhododendron smirnowii Trautv. | unknown | | 5 | 12E0100165 ** |
| 32 | 53290 | 12E0100175 | 'Moses' | Rhododendron hybr. | Germany | | 5 | 12E0100175 ** |
| 33 | 53294 | 12E0100179 | 'Lord Fairhaven' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100179 ** |
| 34 | 53298 | 12E0100183 | 'Bambola' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100183 ** |
| 35 | 53299 | 12E0100184 | 'Barmstedt' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100184 ** |
| 36 | 53300 | 12E0100185 | 'Hachmann's Belona' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100185 ** |
| 37 | 53303 | 12E0100188 | 'Canary' | Rhododendron hybr. | Netherlands | | 5 | 12E0100188 ** |
| 38 | 53307 | 12E0100192 | 'Frau Martha Lentschke' | Rhododendron hybr. | Germany | | 5 | 12E0100192 ** |
| 39 | 53311 | 12E0100196 | 'Jacksonii' | Rhododendron caucasicum Pall. | unknown | | 5 | 12E0100196 ** |
| 40 | 53315 | 12E0100200 | 'Lamentosa' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100200 ** |
| 41 | 53317 | 12E0100202 | 'Lissabon' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100202 ** |
| 42 | 53318 | 12E0100203 | 'Lumina' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100203 ** |
| 43 | 53331 | 12E0100216 | 'Cannon's Double' | Rhododendron hybr. | United States | | 5 | 12E0100216 ** |
| 44 | 53336 | 12E0100221 | 'Renata' | Rhododendron hybr. | Germany | | 5 | 12E0100221 ** |
| 45 | 53343 | 12E0100228 | 'Schneekrone' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100228 ** |
| 46 | 53345 | 12E0100230 | 'Silberwolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100230 ** |
| 47 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 5 | 12E0100231 ** |
| 48 | 53347 | 12E0100232 | 'Sonatine' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100232 ** |
| 49 | 53349 | 12E0100234 | 'Scarlet Wonder' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 5 | 12E0100234 ** |
| 50 | 53350 | 12E0100235 | 'Brigitte' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 5 | 12E0100235 ** |
| 51 | 53352 | 12E0100237 | 'Van Weerden Poelman' | Rhododendron hybr. | Netherlands | | 5 | 12E0100237 ** |
| 52 | 53353 | 12E0100238 | 'August Lamken' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100238 ** |
| 53 | 53355 | 12E0100240 | 'Hachmann's Brasilia' | Rhododendron wardii W. W. Sm. | Germany | | 5 | 12E0100240 ** |
| 54 | 53359 | 12E0100244 | 'Hachmann's Evelyn' | Rhododendron hybr. | Germany | | 5 | 12E0100244 ** |
| 55 | 53363 | 12E0100248 | 'Bad Eilsen' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 5 | 12E0100248 ** |
| 56 | 53368 | 12E0100253 | 'Julischka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100253 ** |
| 57 | 53370 | 12E0100255 | 'Juniperle' | Rhododendron hybr. | Germany | | 5 | 12E0100255 ** |
| 58 | 53373 | 12E0100258 | 'Toucan' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100258 ** |
| 59 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100259 ** |
| 60 | 53379 | 12E0100264 | 'Hachmann's Ornament' | Rhododendron hybr. | Germany | | 5 | 12E0100264 ** |
| 61 | 53383 | 12E0100268 | 'Purple Splendour' | Rhododendron ponticum L. | United Kingdom | | 5 | 12E0100268 ** |
| 62 | 53388 | 12E0100273 | 'Roselyn' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 5 | 12E0100273 ** |
| 63 | 53390 | 12E0100275 | 'Seestadt Bremerhaven' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 5 | 12E0100275 ** |
| 64 | 53395 | 12E0100280 | 'Vorwerk Abendsonne' | Rhododendron hybr. | Germany | | 5 | 12E0100280 ** |
| 65 | 53398 | 12E0100283 | 'Ammerland' | Rhododendron hybr. | Germany | | 5 | 12E0100283 ** |
| 66 | 53399 | 12E0100284 | 'Anna Robenek' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 5 | 12E0100284 ** |
| 67 | 53403 | 12E0100288 | 'Pink Delight' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100288 ** |
| 68 | 53413 | 12E0100298 | 'Cheer' | Rhododendron catawbiense Michx. | United States | | 5 | 12E0100298 ** |
| 69 | 53419 | 12E0100304 | 'Old Port' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100304 ** |
| 70 | 53421 | 12E0100306 | 'Queen Mary' | Rhododendron hybr. | Netherlands | | 5 | 12E0100306 ** |
| 71 | 53422 | 12E0100307 | 'Scintillation' | Rhododendron fortunei Lindl. subsp. fortunei | United States | | 5 | 12E0100307 ** |
| 72 | 53425 | 12E0100310 | 'Goerlitz' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100310 ** |
| 73 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 5 | 12E0100318 ** |
| 74 | 53436 | 12E0100321 | 'Priska' | Rhododendron hybr. | Germany | | 5 | 12E0100321 ** |
| 75 | 53437 | 12E0100322 | 'Sammetglut' | Rhododendron hybr. | Germany | | 5 | 12E0100322 ** |
| 76 | 53439 | 12E0100324 | 'Ursula Seidel' | Rhododendron hybr. | Germany | | 5 | 12E0100324 ** |
| 77 | 53450 | 12E0100335 | 'Silvia' | Rhododendron hybr. | Germany | | 5 | 12E0100335 ** |
| 78 | 53451 | 12E0100336 | 'Graefin Kirchbach' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 5 | 12E0100336 ** |
| 79 | 53452 | 12E0100337 | 'Ovation' | Rhododendron haematodes Franch. | United Kingdom | | 5 | 12E0100337 ** |
| 80 | 53456 | 12E0100341 | 'Berliner Liebe' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 5 | 12E0100341 ** |
| 81 | 53462 | 12E0100347 | 'Rasputin' | Rhododendron hybr. | Germany | | 5 | 12E0100347 ** |
| 82 | 53468 | 12E0100353 | 'Schneeauge' | Rhododendron hybr. | Germany | | 5 | 12E0100353 ** |
| 83 | 53470 | 12E0100355 | 'Hachmann's Marlis' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100355 ** |
| 84 | 53472 | 12E0100357 | 'Konsonanz' | Rhododendron hybr. | Germany | | 5 | 12E0100357 ** |
| 85 | 53474 | 12E0100359 | 'Ricarda' | Rhododendron hybr. | Germany | | 5 | 12E0100359 ** |
| 86 | 53476 | 12E0100361 | 'Sonare' | Rhododendron hybr. | Germany | | 5 | 12E0100361 ** |
| 87 | 53480 | 12E0100365 | 'Eruption' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 5 | 12E0100365 ** |
| 88 | 53490 | 12E0100375 | 'Otto Hahn' | Rhododendron hybr. | Germany | | 5 | 12E0100375 ** |
| 89 | 53492 | 12E0100377 | 'Sarina' | Rhododendron hybr. | Germany | | 5 | 12E0100377 ** |
| 90 | 53495 | 12E0100380 | 'Nigrescens' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100380 ** |
| 91 | 53497 | 12E0100382 | 'Albert Close' | Rhododendron maximum L. | unknown | | 5 | 12E0100382 ** |
| 92 | 53499 | 12E0100384 | 'Arthur Stevens' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100384 ** |
| 93 | 53506 | 12E0100391 | 'Blue Tit Magor' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 5 | 12E0100391 ** |
| 94 | 53508 | 12E0100393 | 'Buketta' | Rhododendron hybr. | Germany | | 5 | 12E0100393 ** |
| 95 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100394 ** |
| 96 | 53511 | 12E0100396 | 'Curlew' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100396 ** |
| 97 | 53513 | 12E0100398 | 'Schneegold' | Rhododendron hybr. | Germany | | 5 | 12E0100398 ** |
| 98 | 53514 | 12E0100399 | 'Doctor Tjebbes' | Rhododendron hybr. | Netherlands | | 5 | 12E0100399 ** |
| 99 | 53523 | 12E0100408 | 'Francesca' | Rhododendron hybr. | United States | | 5 | 12E0100408 ** |
| 100 | 53536 | 12E0100421 | 'Hachmann's Juanita' | Rhododendron hybr. | Germany | | 5 | 12E0100421 ** |
| 101 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 5 | 12E0100423 ** |
| 102 | 53541 | 12E0100426 | 'Ken Janeck' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 5 | 12E0100426 ** |
| 103 | 53544 | 12E0100429 | 'Lady Longman' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100429 ** |
| 104 | 53545 | 12E0100430 | 'Ladybird' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 5 | 12E0100430 ** |
| 105 | 53550 | 12E0100435 | 'Silber' | Rhododendron makinoi Tagg ex Nakai | Germany | | 5 | 12E0100435 ** |
| 106 | 53551 | 12E0100436 | 'Melidioso' | Rhododendron hybr. | Germany | | 5 | 12E0100436 ** |
| 107 | 53562 | 12E0100447 | 'Professor J. H. Zaaijer' | Rhododendron catawbiense Michx. | Netherlands | | 5 | 12E0100447 ** |
| 108 | 53567 | 12E0100452 | 'Rosa Perle' | Rhododendron makinoi Tagg ex Nakai | Germany | | 5 | 12E0100452 ** |
| 109 | 53573 | 12E0100458 | 'Silver Lady' | Rhododendron hybr. | Germany | | 5 | 12E0100458 ** |
| 110 | 53574 | 12E0100459 | 'Sneezy' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 5 | 12E0100459 ** |
| 111 | 53580 | 12E0100465 | 'Torero' | Rhododendron hybr. | Germany | | 5 | 12E0100465 ** |
| 112 | 53589 | 12E0100474 | 'Cecile' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100474 ** |
| 113 | 53596 | 12E0100481 | 'Glowing Embers' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100481 ** |
| 114 | 53598 | 12E0100483 | 'Golden Flare' | Rhododendron hybr. | Netherlands | | 5 | 12E0100483 ** |
| 115 | 53599 | 12E0100484 | 'Golden Sunset' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100484 ** |
| 116 | 53602 | 12E0100487 | 'Hachmann's Harlekin' | Rhododendron hybr. | Germany | | 5 | 12E0100487 ** |
| 117 | 53605 | 12E0100490 | 'Klondyke' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100490 ** |
| 118 | 53609 | 12E0100494 | 'Azurika' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 5 | 12E0100494 ** |
| 119 | 53610 | 12E0100495 | 'Azurwolke' | Rhododendron hybr. | unknown | | 5 | 12E0100495 ** |
| 120 | 53628 | 12E0100513 | 'Diamant Rosa' | Rhododendron kiusianum Makino | Germany | | 5 | 12E0100513 ** |
| 121 | 53632 | 12E0100517 | 'Duque de San Lucar' | Rhododendron hybr. | unknown | | 5 | 12E0100517 ** |
| 122 | 53637 | 12E0100522 | 'Schrammstein' | Rhododendron kiusianum Makino | unknown | | 5 | 12E0100522 ** |
| 123 | 53638 | 12E0100523 | 'Wildenstein' | Rhododendron kiusianum Makino | unknown | | 5 | 12E0100523 ** |
| 124 | 53639 | 12E0100524 | 'Hachmann's Estrella' | Rhododendron hybr. | Germany | | 5 | 12E0100524 ** |
| 125 | 53645 | 12E0100531 | 'Satschiko' | Rhododendron hybr. | Germany | | 5 | 12E0100531 ** |
| 126 | 53660 | 12E0100546 | 'Hinodegiri' | Rhododendron hybr. | Japan | | 5 | 12E0100546 ** |
| 127 | 53671 | 12E0100557 | 'Silberglanz' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100557 ** |
| 128 | 53677 | 12E0100563 | 'Audia' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 5 | 12E0100563 ** |
| 129 | 53680 | 12E0100566 | 'Charles Bagley' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100566 ** |
| 130 | 53701 | 12E0100805 | 'Johann Stern' | Rhododendron hybr. | Germany | | 5 | 12E0100805 ** |
| 131 | 53705 | 12E0100809 | 'Bilderdijk' | Rhododendron hybr. | Belgium | | 5 | 12E0100809 ** |
| 132 | 53707 | 12E0100811 | 'Frank Galsworthy' | Rhododendron ponticum L. | United Kingdom | | 5 | 12E0100811 ** |
| 133 | 53708 | 12E0100812 | 'Hyperion' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100812 ** |
| 134 | 53710 | 12E0100814 | 'Sapporo' | Rhododendron hybr. | Germany | | 5 | 12E0100814 ** |
| 135 | 53711 | 12E0100815 | 'Jock Brydon' | Rhododendron occidentale (Torr. & A. Gray) A. Gray | Oregon, United States | | 5 | 12E0100815 ** |
| 136 | 53727 | 12E0100831 | 'Goeteborg' | Rhododendron smirnowii Trautv. | Sweden | | 5 | 12E0100831 ** |
| 137 | 53729 | 12E0100833 | 'Taurus' | Rhododendron catawbiense Michx. | United States | | 5 | 12E0100833 ** |
| 138 | 53732 | 12E0100836 | 'Dolcemente' | Rhododendron hybr. | Germany | | 5 | 12E0100836 ** |
| 139 | 53736 | 12E0100840 | 'Sarasate' | Rhododendron hybr. | Germany | | 5 | 12E0100840 ** |
| 140 | 53742 | 12E0100846 | 'Rohozec' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100846 ** |
| 141 | 53746 | 12E0100850 | 'Fuellhorn' | Rhododendron hybr. | Germany | | 5 | 12E0100850 ** |
| 142 | 53747 | 12E0100851 | 'Vizovice' | Rhododendron kiusianum Makino | Czech Republic | | 5 | 12E0100851 ** |
| 143 | 53748 | 12E0100852 | 'Bouzov' | Rhododendron decorum Franch. | Czech Republic | | 5 | 12E0100852 ** |
| 144 | 53751 | 12E0100855 | 'Blue Boy' | Rhododendron hybr. | Washington, United States | | 5 | 12E0100855 ** |
| 145 | 53754 | 12E0100858 | 'Bezdez' | Rhododendron ponticum L. | Czech Republic | | 5 | 12E0100858 ** |
| 146 | 53756 | 12E0100860 | 'Hluboka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100860 ** |
| 147 | 53757 | 12E0100861 | 'Karlstejn' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100861 ** |
| 148 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100862 ** |
| 149 | 53765 | 12E0100869 | 'Ignatius Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100869 ** |
| 150 | 53768 | 12E0100872 | 'Osmar' | Rhododendron williamsianum Rehder & E. H. Wilson | United Kingdom | | 5 | 12E0100872 ** |
| 151 | 53770 | 12E0100874 | 'Ursula Siems' | Rhododendron forrestii Balf. f. ex Diels | Germany | | 5 | 12E0100874 ** |
| 152 | 53775 | 12E0100879 | 'Krakovec' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100879 ** |
| 153 | 64801 | 12E0100881 | 'Jezeri' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100881 ** |
| 154 | 65600 | 12E0100882 | 'Klenova' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100882 ** |
| 155 | 65823 | 12E0100883 | 'Rusalka' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100883 ** |
| 156 | 65825 | 12E0100885 | 'Zvikov' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100885 ** |
| 157 | 65863 | 12E0100891 | 'Mrs Philip Martineau' | Rhododendron hybr. | England, United Kingdom | | 5 | 12E0100891 ** |
| 158 | 65918 | 12E0100893 | 'Hachmann's Mercator' | Rhododendron hybr. | Germany | | 5 | 12E0100893 ** |
| 159 | 66597 | 12E0100895 | 'Rotkaeppchen' | Rhododendron hybr. | Germany | | 5 | 12E0100895 ** |
| 160 | 67928 | 12E0100897 | 'Kozakov' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100897 ** |