| 0 | 53139 | 12E0100024 | 'Arnost Silva Tarouca' | Rhododendron decorum Franch. | Czechoslovakia | | 2 | 12E0100024 ** |
| 1 | 53142 | 12E0100027 | 'Album Novum' | Rhododendron catawbiense Michx. | Belgium | | 2 | 12E0100027 ** |
| 2 | 53143 | 12E0100028 | 'America' | Rhododendron hybr. | Netherlands | | 2 | 12E0100028 ** |
| 3 | 53145 | 12E0100030 | 'Bellini' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100030 ** |
| 4 | 53146 | 12E0100031 | 'Bernstein' | Rhododendron hybr. | Germany | | 2 | 12E0100031 ** |
| 5 | 53161 | 12E0100046 | 'Furnivall's Daughter' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100046 ** |
| 6 | 53168 | 12E0100053 | 'Herme' | Rhododendron hybr. | Germany | | 2 | 12E0100053 ** |
| 7 | 53169 | 12E0100054 | 'Holbein' | Rhododendron hybr. | Germany | | 2 | 12E0100054 ** |
| 8 | 53172 | 12E0100057 | 'Hymen' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100057 ** |
| 9 | 53173 | 12E0100058 | 'Jewess' | Rhododendron caucasicum Pall. | Germany | | 2 | 12E0100058 ** |
| 10 | 53176 | 12E0100061 | 'Lady Annette de Trafford' | Rhododendron maximum L. | United Kingdom | | 2 | 12E0100061 ** |
| 11 | 53178 | 12E0100063 | 'Lady Clermont' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100063 ** |
| 12 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 2 | 12E0100067 ** |
| 13 | 53184 | 12E0100069 | 'Margot' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100069 ** |
| 14 | 53185 | 12E0100070 | 'Markgraf' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100070 ** |
| 15 | 53188 | 12E0100073 | 'Myrte' | Rhododendron hybr. | Germany | | 2 | 12E0100073 ** |
| 16 | 53189 | 12E0100074 | 'Nicoline' | Rhododendron hybr. | Germany | | 2 | 12E0100074 ** |
| 17 | 53190 | 12E0100075 | 'Ortrud' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100075 ** |
| 18 | 53194 | 12E0100079 | 'Quapp' | Rhododendron hybr. | Germany | | 2 | 12E0100079 ** |
| 19 | 53198 | 12E0100083 | 'Admiral Piet Hein' | Rhododendron hybr. | Netherlands | | 2 | 12E0100083 ** |
| 20 | 53199 | 12E0100084 | 'Verbesserte Adriaan Koster' | Rhododendron hybr. | Netherlands | | 2 | 12E0100084 ** |
| 21 | 53202 | 12E0100087 | 'Albert Schweitzer' | Rhododendron hybr. | Netherlands | | 2 | 12E0100087 ** |
| 22 | 53212 | 12E0100097 | 'Arno' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100097 ** |
| 23 | 53213 | 12E0100098 | 'August' | Rhododendron hybr. | Germany | | 2 | 12E0100098 ** |
| 24 | 53218 | 12E0100103 | 'Madame Jules Porges' | Rhododendron hybr. | France | | 2 | 12E0100103 ** |
| 25 | 53233 | 12E0100118 | 'Bruns Diana' | Rhododendron hybr. | Germany | | 2 | 12E0100118 ** |
| 26 | 53236 | 12E0100121 | 'Dora Weissbach' | Rhododendron hybr. | unknown | | 2 | 12E0100121 ** |
| 27 | 53238 | 12E0100123 | 'Doktor h. c. Alexander Steffen' | Rhododendron hybr. | unknown | | 2 | 12E0100123 ** |
| 28 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 2 | 12E0100126 ** |
| 29 | 53248 | 12E0100133 | 'Erika' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 2 | 12E0100133 ** |
| 30 | 53253 | 12E0100138 | 'Sir Charles Butler' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 2 | 12E0100138 ** |
| 31 | 53256 | 12E0100141 | 'Florence Sarah Smith' | Rhododendron hybr. | unknown | | 2 | 12E0100141 ** |
| 32 | 53261 | 12E0100146 | 'Gesche' | Rhododendron hybr. | Germany | | 2 | 12E0100146 ** |
| 33 | 53262 | 12E0100147 | 'Giganteum' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100147 ** |
| 34 | 53267 | 12E0100152 | 'Goldsworth Yellow' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100152 ** |
| 35 | 53272 | 12E0100157 | 'Hassan' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100157 ** |
| 36 | 53283 | 12E0100168 | 'May Firth' | Rhododendron hybr. | unknown | | 2 | 12E0100168 ** |
| 37 | 53290 | 12E0100175 | 'Moses' | Rhododendron hybr. | Germany | | 2 | 12E0100175 ** |
| 38 | 53291 | 12E0100176 | 'Mrs John Clutton' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100176 ** |
| 39 | 53297 | 12E0100182 | 'Anuschka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100182 ** |
| 40 | 53303 | 12E0100188 | 'Canary' | Rhododendron hybr. | Netherlands | | 2 | 12E0100188 ** |
| 41 | 53316 | 12E0100201 | 'Leopardii' | Rhododendron arboreum Sm. | United Kingdom | | 2 | 12E0100201 ** |
| 42 | 53317 | 12E0100202 | 'Lissabon' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 2 | 12E0100202 ** |
| 43 | 53332 | 12E0100217 | 'Progres' | Rhododendron caucasicum Pall. | unknown | | 2 | 12E0100217 ** |
| 44 | 53341 | 12E0100226 | 'Royal Pink' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 2 | 12E0100226 ** |
| 45 | 53342 | 12E0100227 | 'Scharnhorst' | Rhododendron catawbiense Michx. | Germany | | 2 | 12E0100227 ** |
| 46 | 53345 | 12E0100230 | 'Silberwolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100230 ** |
| 47 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 2 | 12E0100231 ** |
| 48 | 53352 | 12E0100237 | 'Van Weerden Poelman' | Rhododendron hybr. | Netherlands | | 2 | 12E0100237 ** |
| 49 | 53359 | 12E0100244 | 'Hachmann's Evelyn' | Rhododendron hybr. | Germany | | 2 | 12E0100244 ** |
| 50 | 53361 | 12E0100246 | 'Goldika' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100246 ** |
| 51 | 53362 | 12E0100247 | 'Goldrausch' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100247 ** |
| 52 | 53366 | 12E0100251 | 'Herzas' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100251 ** |
| 53 | 53372 | 12E0100257 | 'Vitalio' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 2 | 12E0100257 ** |
| 54 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100259 ** |
| 55 | 53383 | 12E0100268 | 'Purple Splendour' | Rhododendron ponticum L. | United Kingdom | | 2 | 12E0100268 ** |
| 56 | 53393 | 12E0100278 | 'Van Der Hoop' | Rhododendron hybr. | Netherlands | | 2 | 12E0100278 ** |
| 57 | 53398 | 12E0100283 | 'Ammerland' | Rhododendron hybr. | Germany | | 2 | 12E0100283 ** |
| 58 | 53399 | 12E0100284 | 'Anna Robenek' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 2 | 12E0100284 ** |
| 59 | 53400 | 12E0100285 | 'Donar' | Rhododendron smirnowii Trautv. | Germany | | 2 | 12E0100285 ** |
| 60 | 53405 | 12E0100290 | 'Prinses Marijke' | Rhododendron hybr. | Netherlands | | 2 | 12E0100290 ** |
| 61 | 53410 | 12E0100295 | 'Alfred' | Rhododendron hybr. | Germany | | 2 | 12E0100295 ** |
| 62 | 53419 | 12E0100304 | 'Old Port' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100304 ** |
| 63 | 53423 | 12E0100308 | 'Susan' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100308 ** |
| 64 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 2 | 12E0100311 ** |
| 65 | 53427 | 12E0100312 | 'Vater Boehlje' | Rhododendron hybr. | Germany | | 2 | 12E0100312 ** |
| 66 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 2 | 12E0100318 ** |
| 67 | 53436 | 12E0100321 | 'Priska' | Rhododendron hybr. | Germany | | 2 | 12E0100321 ** |
| 68 | 53441 | 12E0100326 | 'Marimba' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 2 | 12E0100326 ** |
| 69 | 53444 | 12E0100329 | 'Doktor Ernst Schaele' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 2 | 12E0100329 ** |
| 70 | 53445 | 12E0100330 | 'Pink Perfection' | Rhododendron hybr. | Belgium | | 2 | 12E0100330 ** |
| 71 | 53450 | 12E0100335 | 'Silvia' | Rhododendron hybr. | Germany | | 2 | 12E0100335 ** |
| 72 | 53460 | 12E0100345 | 'Hachmann's Felicitas' | Rhododendron hybr. | Germany | | 2 | 12E0100345 ** |
| 73 | 53462 | 12E0100347 | 'Rasputin' | Rhododendron hybr. | Germany | | 2 | 12E0100347 ** |
| 74 | 53465 | 12E0100350 | 'Balalaika' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 2 | 12E0100350 ** |
| 75 | 53466 | 12E0100351 | 'Tarantella' | Rhododendron hybr. | Germany | | 2 | 12E0100351 ** |
| 76 | 53468 | 12E0100353 | 'Schneeauge' | Rhododendron hybr. | Germany | | 2 | 12E0100353 ** |
| 77 | 53489 | 12E0100374 | 'Bruns Loreley' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100374 ** |
| 78 | 53490 | 12E0100375 | 'Otto Hahn' | Rhododendron hybr. | Germany | | 2 | 12E0100375 ** |
| 79 | 53493 | 12E0100378 | 'Claudine' | Rhododendron hybr. | Germany | | 2 | 12E0100378 ** |
| 80 | 53494 | 12E0100379 | 'Parkfeuer' | Rhododendron hybr. | Germany | | 2 | 12E0100379 ** |
| 81 | 53495 | 12E0100380 | 'Nigrescens' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100380 ** |
| 82 | 53497 | 12E0100382 | 'Albert Close' | Rhododendron maximum L. | unknown | | 2 | 12E0100382 ** |
| 83 | 53504 | 12E0100389 | 'Besse Howells' | Rhododendron catawbiense Michx. | United States | | 2 | 12E0100389 ** |
| 84 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100394 ** |
| 85 | 53512 | 12E0100397 | 'Cynthia' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100397 ** |
| 86 | 53514 | 12E0100399 | 'Doctor Tjebbes' | Rhododendron hybr. | Netherlands | | 2 | 12E0100399 ** |
| 87 | 53523 | 12E0100408 | 'Francesca' | Rhododendron hybr. | United States | | 2 | 12E0100408 ** |
| 88 | 53526 | 12E0100411 | 'Gina Lollobrigida' | Rhododendron hybr. | Netherlands | | 2 | 12E0100411 ** |
| 89 | 53527 | 12E0100412 | 'Hachmann's Charmant' | Rhododendron hybr. | Germany | | 2 | 12E0100412 ** |
| 90 | 53529 | 12E0100414 | 'Herkules' | Rhododendron campanulatum D. Don | Germany | | 2 | 12E0100414 ** |
| 91 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 2 | 12E0100423 ** |
| 92 | 53551 | 12E0100436 | 'Melidioso' | Rhododendron hybr. | Germany | | 2 | 12E0100436 ** |
| 93 | 53559 | 12E0100444 | 'Pride of Cambridge' | Rhododendron hybr. | unknown | | 2 | 12E0100444 ** |
| 94 | 53567 | 12E0100452 | 'Rosa Perle' | Rhododendron makinoi Tagg ex Nakai | Germany | | 2 | 12E0100452 ** |
| 95 | 53572 | 12E0100457 | 'Schwanensee' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100457 ** |
| 96 | 53582 | 12E0100467 | 'Soir de Paris' | Rhododendron viscosum (L.) Torr. | Netherlands | | 2 | 12E0100467 ** |
| 97 | 53586 | 12E0100471 | 'Ballerina' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100471 ** |
| 98 | 53625 | 12E0100510 | 'Corneille' | Rhododendron hybr. | unknown | | 2 | 12E0100510 ** |
| 99 | 53649 | 12E0100535 | 'Ginger' | Rhododendron hybr. | unknown | | 2 | 12E0100535 ** |
| 100 | 53651 | 12E0100537 | 'Golden Melodie' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 2 | 12E0100537 ** |
| 101 | 53669 | 12E0100555 | 'Henry's Red' | Rhododendron hybr. | Germany | | 2 | 12E0100555 ** |
| 102 | 53698 | 12E0100802 | 'Olin O. Dobbs' | Rhododendron hybr. | Oregon, United States | | 2 | 12E0100802 ** |
| 103 | 53699 | 12E0100803 | 'Reve d'Amour' | Rhododendron viscosum (L.) Torr. | Netherlands | | 2 | 12E0100803 ** |
| 104 | 53703 | 12E0100807 | 'Anna Rose Whitney' | Rhododendron hybr. | United States | | 2 | 12E0100807 ** |
| 105 | 53706 | 12E0100810 | 'Caroline Allbrook' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 2 | 12E0100810 ** |
| 106 | 53709 | 12E0100813 | 'Germania' | Rhododendron hybr. | Germany | | 2 | 12E0100813 ** |
| 107 | 53711 | 12E0100815 | 'Jock Brydon' | Rhododendron occidentale (Torr. & A. Gray) A. Gray | Oregon, United States | | 2 | 12E0100815 ** |
| 108 | 53713 | 12E0100817 | 'Multimaculatum' | Rhododendron ponticum L. | United Kingdom | | 2 | 12E0100817 ** |
| 109 | 53716 | 12E0100820 | 'Bariton' | Rhododendron hybr. | Germany | | 2 | 12E0100820 ** |
| 110 | 53719 | 12E0100823 | 'Hachmann's Kabarett' | Rhododendron hybr. | Germany | | 2 | 12E0100823 ** |
| 111 | 53720 | 12E0100824 | 'Turkana' | Rhododendron hybr. | Germany | | 2 | 12E0100824 ** |
| 112 | 53729 | 12E0100833 | 'Taurus' | Rhododendron catawbiense Michx. | United States | | 2 | 12E0100833 ** |
| 113 | 53731 | 12E0100835 | 'Hachmann's Anastasia' | Rhododendron hybr. | Germany | | 2 | 12E0100835 ** |
| 114 | 53732 | 12E0100836 | 'Dolcemente' | Rhododendron hybr. | Germany | | 2 | 12E0100836 ** |
| 115 | 53736 | 12E0100840 | 'Sarasate' | Rhododendron hybr. | Germany | | 2 | 12E0100840 ** |
| 116 | 53739 | 12E0100843 | 'Loket' | Rhododendron strigillosum Franch. | Czech Republic | | 2 | 12E0100843 ** |
| 117 | 53740 | 12E0100844 | 'Mala Skala' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100844 ** |
| 118 | 53742 | 12E0100846 | 'Rohozec' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100846 ** |
| 119 | 53743 | 12E0100847 | 'Velka Morava' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100847 ** |
| 120 | 53746 | 12E0100850 | 'Fuellhorn' | Rhododendron hybr. | Germany | | 2 | 12E0100850 ** |
| 121 | 53749 | 12E0100853 | 'Pruhonice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100853 ** |
| 122 | 53751 | 12E0100855 | 'Blue Boy' | Rhododendron hybr. | Washington, United States | | 2 | 12E0100855 ** |
| 123 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100862 ** |
| 124 | 53764 | 12E0100868 | 'Golden Eagle' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100868 ** |
| 125 | 53765 | 12E0100869 | 'Ignatius Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100869 ** |
| 126 | 53769 | 12E0100873 | 'C. S. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100873 ** |
| 127 | 53770 | 12E0100874 | 'Ursula Siems' | Rhododendron forrestii Balf. f. ex Diels | Germany | | 2 | 12E0100874 ** |
| 128 | 53772 | 12E0100876 | 'Svihov' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100876 ** |
| 129 | 53773 | 12E0100877 | 'Sovinec' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100877 ** |
| 130 | 53775 | 12E0100879 | 'Krakovec' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100879 ** |
| 131 | 65825 | 12E0100885 | 'Zvikov' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100885 ** |
| 132 | 65857 | 12E0100890 | 'Kriemhild' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100890 ** |