| 0 | 53117 | 12E0100002 | 'Antonin Dvorak' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100002 ** |
| 1 | 53118 | 12E0100003 | 'Aurora' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100003 ** |
| 2 | 53119 | 12E0100004 | 'Bohumil Kavka' | Rhododendron hybr. | Czechoslovakia | | 4 | 12E0100004 ** |
| 3 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 4 | 12E0100006 ** |
| 4 | 53122 | 12E0100007 | 'Eva' | Rhododendron hybr. | Czechoslovakia | | 4 | 12E0100007 ** |
| 5 | 53123 | 12E0100008 | 'Humoreska' | Rhododendron hybr. | Czechoslovakia | | 4 | 12E0100008 ** |
| 6 | 53124 | 12E0100009 | 'Hurvinek' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 4 | 12E0100009 ** |
| 7 | 53125 | 12E0100010 | 'Lajka' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100010 ** |
| 8 | 53127 | 12E0100012 | 'Marka' | Rhododendron decorum Franch. | Czechoslovakia | | 4 | 12E0100012 ** |
| 9 | 53129 | 12E0100014 | 'Moravanka' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 4 | 12E0100014 ** |
| 10 | 53132 | 12E0100017 | 'Panenka' | Rhododendron decorum Franch. | Czechoslovakia | | 4 | 12E0100017 ** |
| 11 | 53134 | 12E0100019 | 'Profesor Jelinek' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100019 ** |
| 12 | 53135 | 12E0100020 | 'Rose Marie' | Rhododendron decorum Franch. | Czechoslovakia | | 4 | 12E0100020 ** |
| 13 | 53136 | 12E0100021 | 'Saba' | Rhododendron decorum Franch. | Czechoslovakia | | 4 | 12E0100021 ** |
| 14 | 53137 | 12E0100022 | 'Sputnik' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 4 | 12E0100022 ** |
| 15 | 53138 | 12E0100023 | 'Vilem Heckel' | Rhododendron hybr. | Czechoslovakia | | 4 | 12E0100023 ** |
| 16 | 53139 | 12E0100024 | 'Arnost Silva Tarouca' | Rhododendron decorum Franch. | Czechoslovakia | | 4 | 12E0100024 ** |
| 17 | 53140 | 12E0100025 | 'Album Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100025 ** |
| 18 | 53141 | 12E0100026 | 'Album Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100026 ** |
| 19 | 53142 | 12E0100027 | 'Album Novum' | Rhododendron catawbiense Michx. | Belgium | | 4 | 12E0100027 ** |
| 20 | 53143 | 12E0100028 | 'America' | Rhododendron hybr. | Netherlands | | 4 | 12E0100028 ** |
| 21 | 53145 | 12E0100030 | 'Bellini' | Rhododendron wardii W. W. Sm. | Germany | | 4 | 12E0100030 ** |
| 22 | 53146 | 12E0100031 | 'Bernstein' | Rhododendron hybr. | Germany | | 4 | 12E0100031 ** |
| 23 | 53147 | 12E0100032 | 'Blue Danube' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 4 | 12E0100032 ** |
| 24 | 53148 | 12E0100033 | Blue Peter | Rhododendron hybr. | United Kingdom | | 4 | 12E0100033 ** |
| 25 | 53150 | 12E0100035 | 'Caractacus' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100035 ** |
| 26 | 53151 | 12E0100036 | 'Catawbiense Album' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100036 ** |
| 27 | 53152 | 12E0100037 | 'Catawbiense Boursault' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100037 ** |
| 28 | 53153 | 12E0100038 | 'Catawbiense Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100038 ** |
| 29 | 53157 | 12E0100042 | 'Edward S. Rand' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100042 ** |
| 30 | 53158 | 12E0100043 | 'Everestianum' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100043 ** |
| 31 | 53159 | 12E0100044 | 'F. D. Godman' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100044 ** |
| 32 | 53160 | 12E0100045 | 'Fastuosum Flore Pleno' | Rhododendron hybr. | unknown | | 4 | 12E0100045 ** |
| 33 | 53161 | 12E0100046 | 'Furnivall's Daughter' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100046 ** |
| 34 | 53162 | 12E0100047 | 'General Grant' | Rhododendron catawbiense Michx. | United States | | 4 | 12E0100047 ** |
| 35 | 53166 | 12E0100051 | 'Gomer Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100051 ** |
| 36 | 53167 | 12E0100052 | 'Gudrun' | Rhododendron hybr. | Germany | | 4 | 12E0100052 ** |
| 37 | 53168 | 12E0100053 | 'Herme' | Rhododendron hybr. | Germany | | 4 | 12E0100053 ** |
| 38 | 53169 | 12E0100054 | 'Holbein' | Rhododendron hybr. | Germany | | 4 | 12E0100054 ** |
| 39 | 53170 | 12E0100055 | 'Holger' | Rhododendron hybr. | Germany | | 4 | 12E0100055 ** |
| 40 | 53171 | 12E0100056 | 'Hugh Koster' | Rhododendron hybr. | Netherlands | | 4 | 12E0100056 ** |
| 41 | 53172 | 12E0100057 | 'Hymen' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100057 ** |
| 42 | 53176 | 12E0100061 | 'Lady Annette de Trafford' | Rhododendron maximum L. | United Kingdom | | 4 | 12E0100061 ** |
| 43 | 53178 | 12E0100063 | 'Lady Clermont' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100063 ** |
| 44 | 53180 | 12E0100065 | 'Lee's Dark Purple' | Rhododendron catawbiense Michx. | unknown | | 4 | 12E0100065 ** |
| 45 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 4 | 12E0100067 ** |
| 46 | 53184 | 12E0100069 | 'Margot' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100069 ** |
| 47 | 53188 | 12E0100073 | 'Myrte' | Rhododendron hybr. | Germany | | 4 | 12E0100073 ** |
| 48 | 53190 | 12E0100075 | 'Ortrud' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100075 ** |
| 49 | 53191 | 12E0100076 | 'Picturatum' | Rhododendron maximum L. | United Kingdom | | 4 | 12E0100076 ** |
| 50 | 53194 | 12E0100079 | 'Quapp' | Rhododendron hybr. | Germany | | 4 | 12E0100079 ** |
| 51 | 53198 | 12E0100083 | 'Admiral Piet Hein' | Rhododendron hybr. | Netherlands | | 4 | 12E0100083 ** |
| 52 | 53202 | 12E0100087 | 'Albert Schweitzer' | Rhododendron hybr. | Netherlands | | 4 | 12E0100087 ** |
| 53 | 53206 | 12E0100091 | 'Amphion' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100091 ** |
| 54 | 53209 | 12E0100094 | 'Anton' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100094 ** |
| 55 | 53212 | 12E0100097 | 'Arno' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100097 ** |
| 56 | 53213 | 12E0100098 | 'August' | Rhododendron hybr. | Germany | | 4 | 12E0100098 ** |
| 57 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 4 | 12E0100099 ** |
| 58 | 53216 | 12E0100101 | 'Bashful' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 4 | 12E0100101 ** |
| 59 | 53219 | 12E0100104 | 'Blue Ensign' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100104 ** |
| 60 | 53223 | 12E0100108 | 'Sweet Simplicity' | Rhododendron ponticum L. | United Kingdom | | 4 | 12E0100108 ** |
| 61 | 53229 | 12E0100114 | 'Darius' | Rhododendron smirnowii Trautv. | Germany | | 4 | 12E0100114 ** |
| 62 | 53231 | 12E0100116 | 'Delta' | Rhododendron hybr. | Germany | | 4 | 12E0100116 ** |
| 63 | 53233 | 12E0100118 | 'Bruns Diana' | Rhododendron hybr. | Germany | | 4 | 12E0100118 ** |
| 64 | 53235 | 12E0100120 | 'Direktoer E. Hjelm' | Rhododendron fortunei Lindl. subsp. fortunei | Netherlands | | 4 | 12E0100120 ** |
| 65 | 53236 | 12E0100121 | 'Dora Weissbach' | Rhododendron hybr. | unknown | | 4 | 12E0100121 ** |
| 66 | 53238 | 12E0100123 | 'Doktor h. c. Alexander Steffen' | Rhododendron hybr. | unknown | | 4 | 12E0100123 ** |
| 67 | 53240 | 12E0100125 | 'Doctor V. H. Rutgers' | Rhododendron hybr. | Netherlands | | 4 | 12E0100125 ** |
| 68 | 53242 | 12E0100127 | 'Duke of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 4 | 12E0100127 ** |
| 69 | 53243 | 12E0100128 | 'Effner' | Rhododendron hybr. | Germany | | 4 | 12E0100128 ** |
| 70 | 53244 | 12E0100129 | 'Eidam' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 4 | 12E0100129 ** |
| 71 | 53261 | 12E0100146 | 'Gesche' | Rhododendron hybr. | Germany | | 4 | 12E0100146 ** |
| 72 | 53267 | 12E0100152 | 'Goldsworth Yellow' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100152 ** |
| 73 | 53269 | 12E0100154 | 'H. Halven' | Rhododendron hybr. | unknown | | 4 | 12E0100154 ** |
| 74 | 53272 | 12E0100157 | 'Hassan' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100157 ** |
| 75 | 53275 | 12E0100160 | 'Hermann Nitzschner' | Rhododendron hybr. | Germany | | 4 | 12E0100160 ** |
| 76 | 53277 | 12E0100162 | 'Humboldt' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100162 ** |
| 77 | 53280 | 12E0100165 | 'Ibsen' | Rhododendron smirnowii Trautv. | unknown | | 4 | 12E0100165 ** |
| 78 | 53284 | 12E0100169 | 'Ponticum Roseum' | Rhododendron hybr. | United States | | 4 | 12E0100169 ** |
| 79 | 53288 | 12E0100173 | 'Lady Decies' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100173 ** |
| 80 | 53289 | 12E0100174 | 'Midsummer' | Rhododendron maximum L. | United Kingdom | | 4 | 12E0100174 ** |
| 81 | 53290 | 12E0100175 | 'Moses' | Rhododendron hybr. | Germany | | 4 | 12E0100175 ** |
| 82 | 53291 | 12E0100176 | 'Mrs John Clutton' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100176 ** |
| 83 | 53294 | 12E0100179 | 'Lord Fairhaven' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100179 ** |
| 84 | 53295 | 12E0100180 | 'Marie Fortie' | Rhododendron hybr. | Belgium | | 4 | 12E0100180 ** |
| 85 | 53297 | 12E0100182 | 'Anuschka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100182 ** |
| 86 | 53299 | 12E0100184 | 'Barmstedt' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100184 ** |
| 87 | 53300 | 12E0100185 | 'Hachmann's Belona' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100185 ** |
| 88 | 53306 | 12E0100191 | 'Fantastica' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100191 ** |
| 89 | 53307 | 12E0100192 | 'Frau Martha Lentschke' | Rhododendron hybr. | Germany | | 4 | 12E0100192 ** |
| 90 | 53310 | 12E0100195 | 'Hero' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100195 ** |
| 91 | 53312 | 12E0100197 | 'Kalinka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100197 ** |
| 92 | 53314 | 12E0100199 | 'Breslau' | Rhododendron wardii W. W. Sm. | Germany | | 4 | 12E0100199 ** |
| 93 | 53315 | 12E0100200 | 'Lamentosa' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100200 ** |
| 94 | 53316 | 12E0100201 | 'Leopardii' | Rhododendron arboreum Sm. | United Kingdom | | 4 | 12E0100201 ** |
| 95 | 53319 | 12E0100204 | 'Madame Carvalho' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100204 ** |
| 96 | 53320 | 12E0100205 | 'Mims' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100205 ** |
| 97 | 53322 | 12E0100207 | 'Mrs P. den Ouden' | Rhododendron hybr. | Netherlands | | 4 | 12E0100207 ** |
| 98 | 53323 | 12E0100208 | 'Nova Zembla' | Rhododendron catawbiense Michx. | Netherlands | | 4 | 12E0100208 ** |
| 99 | 53324 | 12E0100209 | 'Von Oheimb - Woislowitz' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100209 ** |
| 100 | 53326 | 12E0100211 | 'Oudijk's Sensation' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100211 ** |
| 101 | 53329 | 12E0100214 | 'Polar Star' | Rhododendron smirnowii Trautv. | Netherlands | | 4 | 12E0100214 ** |
| 102 | 53332 | 12E0100217 | 'Progres' | Rhododendron caucasicum Pall. | unknown | | 4 | 12E0100217 ** |
| 103 | 53338 | 12E0100223 | 'Roseum Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100223 ** |
| 104 | 53339 | 12E0100224 | 'Roseum Superbum' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100224 ** |
| 105 | 53340 | 12E0100225 | 'Hachmann's Rosita' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100225 ** |
| 106 | 53342 | 12E0100227 | 'Scharnhorst' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100227 ** |
| 107 | 53343 | 12E0100228 | 'Schneekrone' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100228 ** |
| 108 | 53345 | 12E0100230 | 'Silberwolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100230 ** |
| 109 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 4 | 12E0100231 ** |
| 110 | 53347 | 12E0100232 | 'Sonatine' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100232 ** |
| 111 | 53350 | 12E0100235 | 'Brigitte' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 4 | 12E0100235 ** |
| 112 | 53351 | 12E0100236 | 'Tatjana' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100236 ** |
| 113 | 53352 | 12E0100237 | 'Van Weerden Poelman' | Rhododendron hybr. | Netherlands | | 4 | 12E0100237 ** |
| 114 | 53356 | 12E0100241 | 'Catharine van Tol' | Rhododendron catawbiense Michx. | Netherlands | | 4 | 12E0100241 ** |
| 115 | 53366 | 12E0100251 | 'Herzas' | Rhododendron wardii W. W. Sm. | Germany | | 4 | 12E0100251 ** |
| 116 | 53370 | 12E0100255 | 'Juniperle' | Rhododendron hybr. | Germany | | 4 | 12E0100255 ** |
| 117 | 53372 | 12E0100257 | 'Vitalio' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 4 | 12E0100257 ** |
| 118 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100259 ** |
| 119 | 53375 | 12E0100260 | 'Maharani' | Rhododendron hybr. | Germany | | 4 | 12E0100260 ** |
| 120 | 53376 | 12E0100261 | 'Margret' | Rhododendron smirnowii Trautv. | Germany | | 4 | 12E0100261 ** |
| 121 | 53382 | 12E0100267 | 'Pink Cherub' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 4 | 12E0100267 ** |
| 122 | 53386 | 12E0100271 | 'Rendezvous' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100271 ** |
| 123 | 53387 | 12E0100272 | 'Hachmann's Rosarka' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 4 | 12E0100272 ** |
| 124 | 53390 | 12E0100275 | 'Seestadt Bremerhaven' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 4 | 12E0100275 ** |
| 125 | 53391 | 12E0100276 | 'Schneebukett' | Rhododendron hybr. | Germany | | 4 | 12E0100276 ** |
| 126 | 53392 | 12E0100277 | 'Stadt Essen' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100277 ** |
| 127 | 53393 | 12E0100278 | 'Van Der Hoop' | Rhododendron hybr. | Netherlands | | 4 | 12E0100278 ** |
| 128 | 53398 | 12E0100283 | 'Ammerland' | Rhododendron hybr. | Germany | | 4 | 12E0100283 ** |
| 129 | 53399 | 12E0100284 | 'Anna Robenek' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 4 | 12E0100284 ** |
| 130 | 53400 | 12E0100285 | 'Donar' | Rhododendron smirnowii Trautv. | Germany | | 4 | 12E0100285 ** |
| 131 | 53404 | 12E0100289 | 'Papilionaceum' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100289 ** |
| 132 | 53405 | 12E0100290 | 'Prinses Marijke' | Rhododendron hybr. | Netherlands | | 4 | 12E0100290 ** |
| 133 | 53410 | 12E0100295 | 'Alfred' | Rhododendron hybr. | Germany | | 4 | 12E0100295 ** |
| 134 | 53411 | 12E0100296 | 'Blue Bell' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100296 ** |
| 135 | 53412 | 12E0100297 | 'Caucasicum Pictum' | Rhododendron caucasicum Pall. | United Kingdom | | 4 | 12E0100297 ** |
| 136 | 53414 | 12E0100299 | 'Hachmann's Constanze' | Rhododendron hybr. | Germany | | 4 | 12E0100299 ** |
| 137 | 53419 | 12E0100304 | 'Old Port' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100304 ** |
| 138 | 53421 | 12E0100306 | 'Queen Mary' | Rhododendron hybr. | Netherlands | | 4 | 12E0100306 ** |
| 139 | 53423 | 12E0100308 | 'Susan' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100308 ** |
| 140 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100311 ** |
| 141 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 4 | 12E0100313 ** |
| 142 | 53430 | 12E0100315 | 'Ben Moseley' | Rhododendron fortunei Lindl. subsp. fortunei | United States | | 4 | 12E0100315 ** |
| 143 | 53431 | 12E0100316 | 'Cornelia Schroeder' | Rhododendron hybr. | Germany | | 4 | 12E0100316 ** |
| 144 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 4 | 12E0100318 ** |
| 145 | 53436 | 12E0100321 | 'Priska' | Rhododendron hybr. | Germany | | 4 | 12E0100321 ** |
| 146 | 53438 | 12E0100323 | 'Bruns Schneewittchen' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 4 | 12E0100323 ** |
| 147 | 53441 | 12E0100326 | 'Marimba' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 4 | 12E0100326 ** |
| 148 | 53444 | 12E0100329 | 'Doktor Ernst Schaele' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 4 | 12E0100329 ** |
| 149 | 53445 | 12E0100330 | 'Pink Perfection' | Rhododendron hybr. | Belgium | | 4 | 12E0100330 ** |
| 150 | 53450 | 12E0100335 | 'Silvia' | Rhododendron hybr. | Germany | | 4 | 12E0100335 ** |
| 151 | 53453 | 12E0100338 | 'Odessa' | Rhododendron smirnowii Trautv. | unknown | | 4 | 12E0100338 ** |
| 152 | 53456 | 12E0100341 | 'Berliner Liebe' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 4 | 12E0100341 ** |
| 153 | 53457 | 12E0100342 | 'Erato' | Rhododendron hybr. | Germany | | 4 | 12E0100342 ** |
| 154 | 53463 | 12E0100348 | 'Polarnacht' | Rhododendron hybr. | Germany | | 4 | 12E0100348 ** |
| 155 | 53464 | 12E0100349 | 'Tamarindos' | Rhododendron hybr. | Germany | | 4 | 12E0100349 ** |
| 156 | 53472 | 12E0100357 | 'Konsonanz' | Rhododendron hybr. | Germany | | 4 | 12E0100357 ** |
| 157 | 53482 | 12E0100367 | 'Festivo' | Rhododendron wardii W. W. Sm. | Germany | | 4 | 12E0100367 ** |
| 158 | 53488 | 12E0100373 | 'Kate Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100373 ** |
| 159 | 53493 | 12E0100378 | 'Claudine' | Rhododendron hybr. | Germany | | 4 | 12E0100378 ** |
| 160 | 53495 | 12E0100380 | 'Nigrescens' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100380 ** |
| 161 | 53496 | 12E0100381 | 'James Burchett' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 4 | 12E0100381 ** |
| 162 | 53497 | 12E0100382 | 'Albert Close' | Rhododendron maximum L. | unknown | | 4 | 12E0100382 ** |
| 163 | 53498 | 12E0100383 | 'Ariel' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 4 | 12E0100383 ** |
| 164 | 53503 | 12E0100388 | 'Bertha' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100388 ** |
| 165 | 53504 | 12E0100389 | 'Besse Howells' | Rhododendron catawbiense Michx. | United States | | 4 | 12E0100389 ** |
| 166 | 53506 | 12E0100391 | 'Blue Tit Magor' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 4 | 12E0100391 ** |
| 167 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100394 ** |
| 168 | 53512 | 12E0100397 | 'Cynthia' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100397 ** |
| 169 | 53514 | 12E0100399 | 'Doctor Tjebbes' | Rhododendron hybr. | Netherlands | | 4 | 12E0100399 ** |
| 170 | 53518 | 12E0100403 | 'Saturnus' | Rhododendron hybr. | Netherlands | | 4 | 12E0100403 ** |
| 171 | 53525 | 12E0100410 | 'General D. Eisenhower' | Rhododendron griffithianum Wight | Netherlands | | 4 | 12E0100410 ** |
| 172 | 53526 | 12E0100411 | 'Gina Lollobrigida' | Rhododendron hybr. | Netherlands | | 4 | 12E0100411 ** |
| 173 | 53529 | 12E0100414 | 'Herkules' | Rhododendron campanulatum D. Don | Germany | | 4 | 12E0100414 ** |
| 174 | 53550 | 12E0100435 | 'Silber' | Rhododendron makinoi Tagg ex Nakai | Germany | | 4 | 12E0100435 ** |
| 175 | 53562 | 12E0100447 | 'Professor J. H. Zaaijer' | Rhododendron catawbiense Michx. | Netherlands | | 4 | 12E0100447 ** |
| 176 | 53566 | 12E0100451 | 'Roland' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100451 ** |
| 177 | 53573 | 12E0100458 | 'Silver Lady' | Rhododendron hybr. | Germany | | 4 | 12E0100458 ** |
| 178 | 53577 | 12E0100462 | 'The General' | Rhododendron catawbiense Michx. | United States | | 4 | 12E0100462 ** |
| 179 | 53586 | 12E0100471 | 'Ballerina' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100471 ** |
| 180 | 53608 | 12E0100493 | 'Allotria' | Rhododendron kaempferi Planch. | Germany | | 4 | 12E0100493 ** |
| 181 | 53613 | 12E0100498 | 'Blaauw's Pink' | Rhododendron hybr. | unknown | | 4 | 12E0100498 ** |
| 182 | 53614 | 12E0100499 | 'Spaetlese' | Rhododendron hybr. | unknown | | 4 | 12E0100499 ** |
| 183 | 53631 | 12E0100516 | 'Doria' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 4 | 12E0100516 ** |
| 184 | 53632 | 12E0100517 | 'Duque de San Lucar' | Rhododendron hybr. | unknown | | 4 | 12E0100517 ** |
| 185 | 53634 | 12E0100519 | 'Koenigstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 4 | 12E0100519 ** |
| 186 | 53644 | 12E0100530 | 'Florida' | Rhododendron hybr. | unknown | | 4 | 12E0100530 ** |
| 187 | 53647 | 12E0100533 | 'George Cunningham' | Rhododendron hybr. | unknown | | 4 | 12E0100533 ** |
| 188 | 53652 | 12E0100538 | 'Goldflimmer' | Rhododendron hybr. | unknown | | 4 | 12E0100538 ** |
| 189 | 53662 | 12E0100548 | 'Marie Podvalova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100548 ** |
| 190 | 53663 | 12E0100549 | 'Karolina Svetla' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100549 ** |
| 191 | 53664 | 12E0100550 | 'Bozena Nemcova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 4 | 12E0100550 ** |
| 192 | 53668 | 12E0100554 | 'Baroness Henry Schroeder' | Rhododendron hybr. | Germany | | 4 | 12E0100554 ** |
| 193 | 53669 | 12E0100555 | 'Henry's Red' | Rhododendron hybr. | Germany | | 4 | 12E0100555 ** |
| 194 | 53682 | 12E0100601 | 'Blanice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100601 ** |
| 195 | 53688 | 12E0100607 | 'Orlice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100607 ** |
| 196 | 53689 | 12E0100608 | 'Oslava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 4 | 12E0100608 ** |
| 197 | 53693 | 12E0100612 | 'Ledikanense' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czechoslovakia | | 4 | 12E0100612 ** |
| 198 | 53696 | 12E0100703 | 'Ma vlast' | Rhododendron forrestii Balf. f. ex Diels | Czechoslovakia | | 4 | 12E0100703 ** |
| 199 | 53702 | 12E0100806 | 'Hachmann's Mikado' | Rhododendron hybr. | Germany | | 4 | 12E0100806 ** |
| 200 | 53703 | 12E0100807 | 'Anna Rose Whitney' | Rhododendron hybr. | United States | | 4 | 12E0100807 ** |
| 201 | 53705 | 12E0100809 | 'Bilderdijk' | Rhododendron hybr. | Belgium | | 4 | 12E0100809 ** |
| 202 | 53709 | 12E0100813 | 'Germania' | Rhododendron hybr. | Germany | | 4 | 12E0100813 ** |
| 203 | 53711 | 12E0100815 | 'Jock Brydon' | Rhododendron occidentale (Torr. & A. Gray) A. Gray | Oregon, United States | | 4 | 12E0100815 ** |
| 204 | 53713 | 12E0100817 | 'Multimaculatum' | Rhododendron ponticum L. | United Kingdom | | 4 | 12E0100817 ** |
| 205 | 53714 | 12E0100818 | 'Monsieur Marcel Menard' | Rhododendron hybr. | France | | 4 | 12E0100818 ** |
| 206 | 53715 | 12E0100819 | 'Viscy' | Rhododendron hybr. | Germany | | 4 | 12E0100819 ** |
| 207 | 53720 | 12E0100824 | 'Turkana' | Rhododendron hybr. | Germany | | 4 | 12E0100824 ** |
| 208 | 53721 | 12E0100825 | 'Gartendirektor Rieger' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 4 | 12E0100825 ** |
| 209 | 53724 | 12E0100828 | 'Schneeglanz' | Rhododendron obtusum (Lindl.) Planch. | Germany | | 4 | 12E0100828 ** |
| 210 | 53725 | 12E0100829 | 'Holstein' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100829 ** |
| 211 | 53727 | 12E0100831 | 'Goeteborg' | Rhododendron smirnowii Trautv. | Sweden | | 4 | 12E0100831 ** |
| 212 | 53728 | 12E0100832 | 'Moser's Maroon' | Rhododendron hybr. | France | | 4 | 12E0100832 ** |
| 213 | 53730 | 12E0100834 | 'Hachmann's Feuerschein' | Rhododendron hybr. | Germany | | 4 | 12E0100834 ** |
| 214 | 53731 | 12E0100835 | 'Hachmann's Anastasia' | Rhododendron hybr. | Germany | | 4 | 12E0100835 ** |
| 215 | 53733 | 12E0100837 | 'Charis' | Rhododendron hybr. | Germany | | 4 | 12E0100837 ** |
| 216 | 53734 | 12E0100838 | 'Cervena Lhota' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100838 ** |
| 217 | 53735 | 12E0100839 | 'Kuks' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100839 ** |
| 218 | 53738 | 12E0100842 | 'Lenora' | Rhododendron ferrugineum L. | Czech Republic | | 4 | 12E0100842 ** |
| 219 | 53739 | 12E0100843 | 'Loket' | Rhododendron strigillosum Franch. | Czech Republic | | 4 | 12E0100843 ** |
| 220 | 53740 | 12E0100844 | 'Mala Skala' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100844 ** |
| 221 | 53741 | 12E0100845 | 'Profesor Scholz' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czech Republic | | 4 | 12E0100845 ** |
| 222 | 53749 | 12E0100853 | 'Pruhonice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100853 ** |
| 223 | 53750 | 12E0100854 | 'Wryneck' | Rhododendron hybr. | United Kingdom | | 4 | 12E0100854 ** |
| 224 | 53751 | 12E0100855 | 'Blue Boy' | Rhododendron hybr. | Washington, United States | | 4 | 12E0100855 ** |
| 225 | 53753 | 12E0100857 | 'Orlik' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100857 ** |
| 226 | 53754 | 12E0100858 | 'Bezdez' | Rhododendron ponticum L. | Czech Republic | | 4 | 12E0100858 ** |
| 227 | 53756 | 12E0100860 | 'Hluboka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100860 ** |
| 228 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100862 ** |
| 229 | 53761 | 12E0100865 | 'Kromeriz' | Rhododendron kiusianum Makino | Czech Republic | | 4 | 12E0100865 ** |
| 230 | 53765 | 12E0100869 | 'Ignatius Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100869 ** |
| 231 | 53766 | 12E0100870 | 'Christian' | Rhododendron catawbiense Michx. | Germany | | 4 | 12E0100870 ** |
| 232 | 53769 | 12E0100873 | 'C. S. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 4 | 12E0100873 ** |
| 233 | 53773 | 12E0100877 | 'Sovinec' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100877 ** |
| 234 | 53774 | 12E0100878 | 'Strekov' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100878 ** |
| 235 | 65823 | 12E0100883 | 'Rusalka' | Rhododendron decorum Franch. | Czechoslovakia | | 4 | 12E0100883 ** |
| 236 | 65824 | 12E0100884 | 'Loreta' | Rhododendron wardii W. W. Sm. | Czech Republic | | 4 | 12E0100884 ** |
| 237 | 65825 | 12E0100885 | 'Zvikov' | Rhododendron hybr. | Czech Republic | | 4 | 12E0100885 ** |
| 238 | 65840 | 12E0100887 | 'Karin Seleger' | Rhododendron insigne Hemsl. & E. H. Wilson | Switzerland | | 4 | 12E0100887 ** |
| 239 | 65857 | 12E0100890 | 'Kriemhild' | Rhododendron wardii W. W. Sm. | Germany | | 4 | 12E0100890 ** |
| 240 | 65863 | 12E0100891 | 'Mrs Philip Martineau' | Rhododendron hybr. | England, United Kingdom | | 4 | 12E0100891 ** |
| 241 | 65918 | 12E0100893 | 'Hachmann's Mercator' | Rhododendron hybr. | Germany | | 4 | 12E0100893 ** |
| 242 | 65919 | 12E0100894 | 'Hachhans' | Rhododendron hybr. | Germany | | 4 | 12E0100894 ** |
| 243 | 67927 | 12E0100896 | 'Milesovka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100896 ** |
| 244 | 68273 | 12E0100568 | 'Certoryje' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 4 | 12E0100568 ** |