| 0 | 53116 | 12E0100001 | 'Alena' | Rhododendron decorum Franch. | Czechoslovakia | | 0 | 12E0100001 ** |
| 1 | 53119 | 12E0100004 | 'Bohumil Kavka' | Rhododendron hybr. | Czechoslovakia | | 0 | 12E0100004 ** |
| 2 | 53120 | 12E0100005 | 'Dagmar' | Rhododendron decorum Franch. | Czechoslovakia | | 0 | 12E0100005 ** |
| 3 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 0 | 12E0100006 ** |
| 4 | 53122 | 12E0100007 | 'Eva' | Rhododendron hybr. | Czechoslovakia | | 0 | 12E0100007 ** |
| 5 | 53124 | 12E0100009 | 'Hurvinek' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 0 | 12E0100009 ** |
| 6 | 53127 | 12E0100012 | 'Marka' | Rhododendron decorum Franch. | Czechoslovakia | | 0 | 12E0100012 ** |
| 7 | 53128 | 12E0100013 | 'Milan' | Rhododendron hybr. | Czechoslovakia | | 0 | 12E0100013 ** |
| 8 | 53129 | 12E0100014 | 'Moravanka' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 0 | 12E0100014 ** |
| 9 | 53130 | 12E0100015 | 'Marie Oliva Schlickova' | Rhododendron decorum Franch. | Czechoslovakia | | 0 | 12E0100015 ** |
| 10 | 53131 | 12E0100016 | 'Motyl' | Rhododendron decorum Franch. | Czechoslovakia | | 0 | 12E0100016 ** |
| 11 | 53133 | 12E0100018 | 'Petr' | Rhododendron hybr. | Czechoslovakia | | 0 | 12E0100018 ** |
| 12 | 53135 | 12E0100020 | 'Rose Marie' | Rhododendron decorum Franch. | Czechoslovakia | | 0 | 12E0100020 ** |
| 13 | 53136 | 12E0100021 | 'Saba' | Rhododendron decorum Franch. | Czechoslovakia | | 0 | 12E0100021 ** |
| 14 | 53139 | 12E0100024 | 'Arnost Silva Tarouca' | Rhododendron decorum Franch. | Czechoslovakia | | 0 | 12E0100024 ** |
| 15 | 53141 | 12E0100026 | 'Album Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100026 ** |
| 16 | 53142 | 12E0100027 | 'Album Novum' | Rhododendron catawbiense Michx. | Belgium | | 0 | 12E0100027 ** |
| 17 | 53143 | 12E0100028 | 'America' | Rhododendron hybr. | Netherlands | | 0 | 12E0100028 ** |
| 18 | 53144 | 12E0100029 | 'Arthur Bedford' | Rhododendron ponticum L. | United Kingdom | | 0 | 12E0100029 ** |
| 19 | 53145 | 12E0100030 | 'Bellini' | Rhododendron wardii W. W. Sm. | Germany | | 0 | 12E0100030 ** |
| 20 | 53146 | 12E0100031 | 'Bernstein' | Rhododendron hybr. | Germany | | 0 | 12E0100031 ** |
| 21 | 53147 | 12E0100032 | 'Blue Danube' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 0 | 12E0100032 ** |
| 22 | 53148 | 12E0100033 | Blue Peter | Rhododendron hybr. | United Kingdom | | 0 | 12E0100033 ** |
| 23 | 53150 | 12E0100035 | 'Caractacus' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100035 ** |
| 24 | 53151 | 12E0100036 | 'Catawbiense Album' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100036 ** |
| 25 | 53154 | 12E0100039 | 'Cunningham's White' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100039 ** |
| 26 | 53155 | 12E0100040 | 'Violetta' | Rhododendron decorum Franch. | Czech Republic | | 0 | 12E0100040 ** |
| 27 | 53157 | 12E0100042 | 'Edward S. Rand' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100042 ** |
| 28 | 53160 | 12E0100045 | 'Fastuosum Flore Pleno' | Rhododendron hybr. | unknown | | 0 | 12E0100045 ** |
| 29 | 53161 | 12E0100046 | 'Furnivall's Daughter' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100046 ** |
| 30 | 53163 | 12E0100048 | 'Genoveva' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100048 ** |
| 31 | 53166 | 12E0100051 | 'Gomer Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100051 ** |
| 32 | 53167 | 12E0100052 | 'Gudrun' | Rhododendron hybr. | Germany | | 0 | 12E0100052 ** |
| 33 | 53168 | 12E0100053 | 'Herme' | Rhododendron hybr. | Germany | | 0 | 12E0100053 ** |
| 34 | 53169 | 12E0100054 | 'Holbein' | Rhododendron hybr. | Germany | | 0 | 12E0100054 ** |
| 35 | 53170 | 12E0100055 | 'Holger' | Rhododendron hybr. | Germany | | 0 | 12E0100055 ** |
| 36 | 53171 | 12E0100056 | 'Hugh Koster' | Rhododendron hybr. | Netherlands | | 0 | 12E0100056 ** |
| 37 | 53172 | 12E0100057 | 'Hymen' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100057 ** |
| 38 | 53173 | 12E0100058 | 'Jewess' | Rhododendron caucasicum Pall. | Germany | | 0 | 12E0100058 ** |
| 39 | 53174 | 12E0100059 | 'Kokardia' | Rhododendron hybr. | Germany | | 0 | 12E0100059 ** |
| 40 | 53176 | 12E0100061 | 'Lady Annette de Trafford' | Rhododendron maximum L. | United Kingdom | | 0 | 12E0100061 ** |
| 41 | 53178 | 12E0100063 | 'Lady Clermont' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100063 ** |
| 42 | 53179 | 12E0100064 | 'Lavender Girl' | Rhododendron fortunei Lindl. subsp. fortunei | United Kingdom | | 0 | 12E0100064 ** |
| 43 | 53180 | 12E0100065 | 'Lee's Dark Purple' | Rhododendron catawbiense Michx. | unknown | | 0 | 12E0100065 ** |
| 44 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 0 | 12E0100067 ** |
| 45 | 53183 | 12E0100068 | 'Marchioness of Landsdowne' | Rhododendron maximum L. | United Kingdom | | 0 | 12E0100068 ** |
| 46 | 53184 | 12E0100069 | 'Margot' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100069 ** |
| 47 | 53185 | 12E0100070 | 'Markgraf' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100070 ** |
| 48 | 53188 | 12E0100073 | 'Myrte' | Rhododendron hybr. | Germany | | 0 | 12E0100073 ** |
| 49 | 53189 | 12E0100074 | 'Nicoline' | Rhododendron hybr. | Germany | | 0 | 12E0100074 ** |
| 50 | 53190 | 12E0100075 | 'Ortrud' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100075 ** |
| 51 | 53191 | 12E0100076 | 'Picturatum' | Rhododendron maximum L. | United Kingdom | | 0 | 12E0100076 ** |
| 52 | 53194 | 12E0100079 | 'Quapp' | Rhododendron hybr. | Germany | | 0 | 12E0100079 ** |
| 53 | 53198 | 12E0100083 | 'Admiral Piet Hein' | Rhododendron hybr. | Netherlands | | 0 | 12E0100083 ** |
| 54 | 53199 | 12E0100084 | 'Verbesserte Adriaan Koster' | Rhododendron hybr. | Netherlands | | 0 | 12E0100084 ** |
| 55 | 53202 | 12E0100087 | 'Albert Schweitzer' | Rhododendron hybr. | Netherlands | | 0 | 12E0100087 ** |
| 56 | 53207 | 12E0100092 | 'Mrs Furnivall' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100092 ** |
| 57 | 53210 | 12E0100095 | 'Mrs Davies Evans' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100095 ** |
| 58 | 53211 | 12E0100096 | 'Arnim' | Rhododendron hybr. | Germany | | 0 | 12E0100096 ** |
| 59 | 53212 | 12E0100097 | 'Arno' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100097 ** |
| 60 | 53213 | 12E0100098 | 'August' | Rhododendron hybr. | Germany | | 0 | 12E0100098 ** |
| 61 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 0 | 12E0100099 ** |
| 62 | 53218 | 12E0100103 | 'Madame Jules Porges' | Rhododendron hybr. | France | | 0 | 12E0100103 ** |
| 63 | 53223 | 12E0100108 | 'Sweet Simplicity' | Rhododendron ponticum L. | United Kingdom | | 0 | 12E0100108 ** |
| 64 | 53231 | 12E0100116 | 'Delta' | Rhododendron hybr. | Germany | | 0 | 12E0100116 ** |
| 65 | 53233 | 12E0100118 | 'Bruns Diana' | Rhododendron hybr. | Germany | | 0 | 12E0100118 ** |
| 66 | 53235 | 12E0100120 | 'Direktoer E. Hjelm' | Rhododendron fortunei Lindl. subsp. fortunei | Netherlands | | 0 | 12E0100120 ** |
| 67 | 53236 | 12E0100121 | 'Dora Weissbach' | Rhododendron hybr. | unknown | | 0 | 12E0100121 ** |
| 68 | 53238 | 12E0100123 | 'Doktor h. c. Alexander Steffen' | Rhododendron hybr. | unknown | | 0 | 12E0100123 ** |
| 69 | 53239 | 12E0100124 | 'Madame Linden' | Rhododendron hybr. | Germany | | 0 | 12E0100124 ** |
| 70 | 53240 | 12E0100125 | 'Doctor V. H. Rutgers' | Rhododendron hybr. | Netherlands | | 0 | 12E0100125 ** |
| 71 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 0 | 12E0100126 ** |
| 72 | 53242 | 12E0100127 | 'Duke of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 0 | 12E0100127 ** |
| 73 | 53243 | 12E0100128 | 'Effner' | Rhododendron hybr. | Germany | | 0 | 12E0100128 ** |
| 74 | 53244 | 12E0100129 | 'Eidam' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 0 | 12E0100129 ** |
| 75 | 53246 | 12E0100131 | 'Emma' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100131 ** |
| 76 | 53252 | 12E0100137 | 'Mount Everest' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100137 ** |
| 77 | 53253 | 12E0100138 | 'Sir Charles Butler' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 0 | 12E0100138 ** |
| 78 | 53256 | 12E0100141 | 'Florence Sarah Smith' | Rhododendron hybr. | unknown | | 0 | 12E0100141 ** |
| 79 | 53262 | 12E0100147 | 'Giganteum' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100147 ** |
| 80 | 53265 | 12E0100150 | 'Goldfinch' | Rhododendron wardii W. W. Sm. | unknown | | 0 | 12E0100150 ** |
| 81 | 53266 | 12E0100151 | 'Goldfort' | Rhododendron fortunei Lindl. subsp. fortunei | United Kingdom | | 0 | 12E0100151 ** |
| 82 | 53267 | 12E0100152 | 'Goldsworth Yellow' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100152 ** |
| 83 | 53269 | 12E0100154 | 'H. Halven' | Rhododendron hybr. | unknown | | 0 | 12E0100154 ** |
| 84 | 53271 | 12E0100156 | 'Harvest Moon' | Rhododendron campylocarpum Hook. f. | Netherlands | | 0 | 12E0100156 ** |
| 85 | 53272 | 12E0100157 | 'Hassan' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100157 ** |
| 86 | 53275 | 12E0100160 | 'Hermann Nitzschner' | Rhododendron hybr. | Germany | | 0 | 12E0100160 ** |
| 87 | 53283 | 12E0100168 | 'May Firth' | Rhododendron hybr. | unknown | | 0 | 12E0100168 ** |
| 88 | 53284 | 12E0100169 | 'Ponticum Roseum' | Rhododendron hybr. | United States | | 0 | 12E0100169 ** |
| 89 | 53288 | 12E0100173 | 'Lady Decies' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100173 ** |
| 90 | 53289 | 12E0100174 | 'Midsummer' | Rhododendron maximum L. | United Kingdom | | 0 | 12E0100174 ** |
| 91 | 53290 | 12E0100175 | 'Moses' | Rhododendron hybr. | Germany | | 0 | 12E0100175 ** |
| 92 | 53291 | 12E0100176 | 'Mrs John Clutton' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100176 ** |
| 93 | 53294 | 12E0100179 | 'Lord Fairhaven' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100179 ** |
| 94 | 53301 | 12E0100186 | 'Blurettia' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 0 | 12E0100186 ** |
| 95 | 53303 | 12E0100188 | 'Canary' | Rhododendron hybr. | Netherlands | | 0 | 12E0100188 ** |
| 96 | 53307 | 12E0100192 | 'Frau Martha Lentschke' | Rhododendron hybr. | Germany | | 0 | 12E0100192 ** |
| 97 | 53314 | 12E0100199 | 'Breslau' | Rhododendron wardii W. W. Sm. | Germany | | 0 | 12E0100199 ** |
| 98 | 53316 | 12E0100201 | 'Leopardii' | Rhododendron arboreum Sm. | United Kingdom | | 0 | 12E0100201 ** |
| 99 | 53317 | 12E0100202 | 'Lissabon' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 0 | 12E0100202 ** |
| 100 | 53319 | 12E0100204 | 'Madame Carvalho' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100204 ** |
| 101 | 53320 | 12E0100205 | 'Mims' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100205 ** |
| 102 | 53322 | 12E0100207 | 'Mrs P. den Ouden' | Rhododendron hybr. | Netherlands | | 0 | 12E0100207 ** |
| 103 | 53323 | 12E0100208 | 'Nova Zembla' | Rhododendron catawbiense Michx. | Netherlands | | 0 | 12E0100208 ** |
| 104 | 53324 | 12E0100209 | 'Von Oheimb - Woislowitz' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100209 ** |
| 105 | 53332 | 12E0100217 | 'Progres' | Rhododendron caucasicum Pall. | unknown | | 0 | 12E0100217 ** |
| 106 | 53336 | 12E0100221 | 'Renata' | Rhododendron hybr. | Germany | | 0 | 12E0100221 ** |
| 107 | 53339 | 12E0100224 | 'Roseum Superbum' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100224 ** |
| 108 | 53341 | 12E0100226 | 'Royal Pink' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 0 | 12E0100226 ** |
| 109 | 53342 | 12E0100227 | 'Scharnhorst' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100227 ** |
| 110 | 53343 | 12E0100228 | 'Schneekrone' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 0 | 12E0100228 ** |
| 111 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 0 | 12E0100231 ** |
| 112 | 53350 | 12E0100235 | 'Brigitte' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 0 | 12E0100235 ** |
| 113 | 53352 | 12E0100237 | 'Van Weerden Poelman' | Rhododendron hybr. | Netherlands | | 0 | 12E0100237 ** |
| 114 | 53354 | 12E0100239 | 'Blueshine Girl' | Rhododendron wardii W. W. Sm. | Germany | | 0 | 12E0100239 ** |
| 115 | 53355 | 12E0100240 | 'Hachmann's Brasilia' | Rhododendron wardii W. W. Sm. | Germany | | 0 | 12E0100240 ** |
| 116 | 53356 | 12E0100241 | 'Catharine van Tol' | Rhododendron catawbiense Michx. | Netherlands | | 0 | 12E0100241 ** |
| 117 | 53359 | 12E0100244 | 'Hachmann's Evelyn' | Rhododendron hybr. | Germany | | 0 | 12E0100244 ** |
| 118 | 53360 | 12E0100245 | 'Volker' | Rhododendron hybr. | Germany | | 0 | 12E0100245 ** |
| 119 | 53361 | 12E0100246 | 'Goldika' | Rhododendron wardii W. W. Sm. | Germany | | 0 | 12E0100246 ** |
| 120 | 53362 | 12E0100247 | 'Goldrausch' | Rhododendron wardii W. W. Sm. | Germany | | 0 | 12E0100247 ** |
| 121 | 53365 | 12E0100250 | 'Bibber' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100250 ** |
| 122 | 53366 | 12E0100251 | 'Herzas' | Rhododendron wardii W. W. Sm. | Germany | | 0 | 12E0100251 ** |
| 123 | 53369 | 12E0100254 | 'Hachmann's Junifeuer' | Rhododendron hybr. | Germany | | 0 | 12E0100254 ** |
| 124 | 53370 | 12E0100255 | 'Juniperle' | Rhododendron hybr. | Germany | | 0 | 12E0100255 ** |
| 125 | 53371 | 12E0100256 | 'Hachmann's Lagerfeuer' | Rhododendron hybr. | Germany | | 0 | 12E0100256 ** |
| 126 | 53372 | 12E0100257 | 'Vitalio' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 0 | 12E0100257 ** |
| 127 | 53377 | 12E0100262 | 'Obergaertner Robenek' | Rhododendron hybr. | Germany | | 0 | 12E0100262 ** |
| 128 | 53379 | 12E0100264 | 'Hachmann's Ornament' | Rhododendron hybr. | Germany | | 0 | 12E0100264 ** |
| 129 | 53383 | 12E0100268 | 'Purple Splendour' | Rhododendron ponticum L. | United Kingdom | | 0 | 12E0100268 ** |
| 130 | 53385 | 12E0100270 | 'Redwood' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 0 | 12E0100270 ** |
| 131 | 53391 | 12E0100276 | 'Schneebukett' | Rhododendron hybr. | Germany | | 0 | 12E0100276 ** |
| 132 | 53393 | 12E0100278 | 'Van Der Hoop' | Rhododendron hybr. | Netherlands | | 0 | 12E0100278 ** |
| 133 | 53395 | 12E0100280 | 'Vorwerk Abendsonne' | Rhododendron hybr. | Germany | | 0 | 12E0100280 ** |
| 134 | 53397 | 12E0100282 | 'Admiral Vanessa' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 0 | 12E0100282 ** |
| 135 | 53398 | 12E0100283 | 'Ammerland' | Rhododendron hybr. | Germany | | 0 | 12E0100283 ** |
| 136 | 53399 | 12E0100284 | 'Anna Robenek' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 0 | 12E0100284 ** |
| 137 | 53400 | 12E0100285 | 'Donar' | Rhododendron smirnowii Trautv. | Germany | | 0 | 12E0100285 ** |
| 138 | 53404 | 12E0100289 | 'Papilionaceum' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100289 ** |
| 139 | 53405 | 12E0100290 | 'Prinses Marijke' | Rhododendron hybr. | Netherlands | | 0 | 12E0100290 ** |
| 140 | 53410 | 12E0100295 | 'Alfred' | Rhododendron hybr. | Germany | | 0 | 12E0100295 ** |
| 141 | 53411 | 12E0100296 | 'Blue Bell' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100296 ** |
| 142 | 53414 | 12E0100299 | 'Hachmann's Constanze' | Rhododendron hybr. | Germany | | 0 | 12E0100299 ** |
| 143 | 53419 | 12E0100304 | 'Old Port' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100304 ** |
| 144 | 53421 | 12E0100306 | 'Queen Mary' | Rhododendron hybr. | Netherlands | | 0 | 12E0100306 ** |
| 145 | 53425 | 12E0100310 | 'Goerlitz' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 0 | 12E0100310 ** |
| 146 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 0 | 12E0100311 ** |
| 147 | 53427 | 12E0100312 | 'Vater Boehlje' | Rhododendron hybr. | Germany | | 0 | 12E0100312 ** |
| 148 | 53430 | 12E0100315 | 'Ben Moseley' | Rhododendron fortunei Lindl. subsp. fortunei | United States | | 0 | 12E0100315 ** |
| 149 | 53431 | 12E0100316 | 'Cornelia Schroeder' | Rhododendron hybr. | Germany | | 0 | 12E0100316 ** |
| 150 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 0 | 12E0100318 ** |
| 151 | 53436 | 12E0100321 | 'Priska' | Rhododendron hybr. | Germany | | 0 | 12E0100321 ** |
| 152 | 53437 | 12E0100322 | 'Sammetglut' | Rhododendron hybr. | Germany | | 0 | 12E0100322 ** |
| 153 | 53438 | 12E0100323 | 'Bruns Schneewittchen' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 0 | 12E0100323 ** |
| 154 | 53439 | 12E0100324 | 'Ursula Seidel' | Rhododendron hybr. | Germany | | 0 | 12E0100324 ** |
| 155 | 53441 | 12E0100326 | 'Marimba' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 0 | 12E0100326 ** |
| 156 | 53444 | 12E0100329 | 'Doktor Ernst Schaele' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 0 | 12E0100329 ** |
| 157 | 53445 | 12E0100330 | 'Pink Perfection' | Rhododendron hybr. | Belgium | | 0 | 12E0100330 ** |
| 158 | 53448 | 12E0100333 | 'Tibet' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 0 | 12E0100333 ** |
| 159 | 53450 | 12E0100335 | 'Silvia' | Rhododendron hybr. | Germany | | 0 | 12E0100335 ** |
| 160 | 53452 | 12E0100337 | 'Ovation' | Rhododendron haematodes Franch. | United Kingdom | | 0 | 12E0100337 ** |
| 161 | 53457 | 12E0100342 | 'Erato' | Rhododendron hybr. | Germany | | 0 | 12E0100342 ** |
| 162 | 53458 | 12E0100343 | 'Belkanto' | Rhododendron hybr. | Germany | | 0 | 12E0100343 ** |
| 163 | 53459 | 12E0100344 | 'Azurro' | Rhododendron hybr. | Germany | | 0 | 12E0100344 ** |
| 164 | 53460 | 12E0100345 | 'Hachmann's Felicitas' | Rhododendron hybr. | Germany | | 0 | 12E0100345 ** |
| 165 | 53462 | 12E0100347 | 'Rasputin' | Rhododendron hybr. | Germany | | 0 | 12E0100347 ** |
| 166 | 53463 | 12E0100348 | 'Polarnacht' | Rhododendron hybr. | Germany | | 0 | 12E0100348 ** |
| 167 | 53464 | 12E0100349 | 'Tamarindos' | Rhododendron hybr. | Germany | | 0 | 12E0100349 ** |
| 168 | 53465 | 12E0100350 | 'Balalaika' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 0 | 12E0100350 ** |
| 169 | 53466 | 12E0100351 | 'Tarantella' | Rhododendron hybr. | Germany | | 0 | 12E0100351 ** |
| 170 | 53468 | 12E0100353 | 'Schneeauge' | Rhododendron hybr. | Germany | | 0 | 12E0100353 ** |
| 171 | 53469 | 12E0100354 | 'Hachmann's Diadem' | Rhododendron hybr. | Germany | | 0 | 12E0100354 ** |
| 172 | 53472 | 12E0100357 | 'Konsonanz' | Rhododendron hybr. | Germany | | 0 | 12E0100357 ** |
| 173 | 53473 | 12E0100358 | 'Puccini' | Rhododendron hybr. | Germany | | 0 | 12E0100358 ** |
| 174 | 53474 | 12E0100359 | 'Ricarda' | Rhododendron hybr. | Germany | | 0 | 12E0100359 ** |
| 175 | 53476 | 12E0100361 | 'Sonare' | Rhododendron hybr. | Germany | | 0 | 12E0100361 ** |
| 176 | 53477 | 12E0100362 | 'Morgenrot' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 0 | 12E0100362 ** |
| 177 | 53478 | 12E0100363 | 'Clivia' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 0 | 12E0100363 ** |
| 178 | 53480 | 12E0100365 | 'Eruption' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 0 | 12E0100365 ** |
| 179 | 53481 | 12E0100366 | 'Eggert Rohwer' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 0 | 12E0100366 ** |
| 180 | 53488 | 12E0100373 | 'Kate Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100373 ** |
| 181 | 53491 | 12E0100376 | 'Mrs R. S. Holford' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100376 ** |
| 182 | 53493 | 12E0100378 | 'Claudine' | Rhododendron hybr. | Germany | | 0 | 12E0100378 ** |
| 183 | 53495 | 12E0100380 | 'Nigrescens' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100380 ** |
| 184 | 53496 | 12E0100381 | 'James Burchett' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 0 | 12E0100381 ** |
| 185 | 53497 | 12E0100382 | 'Albert Close' | Rhododendron maximum L. | unknown | | 0 | 12E0100382 ** |
| 186 | 53499 | 12E0100384 | 'Arthur Stevens' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100384 ** |
| 187 | 53503 | 12E0100388 | 'Bertha' | Rhododendron catawbiense Michx. | Germany | | 0 | 12E0100388 ** |
| 188 | 53504 | 12E0100389 | 'Besse Howells' | Rhododendron catawbiense Michx. | United States | | 0 | 12E0100389 ** |
| 189 | 53508 | 12E0100393 | 'Buketta' | Rhododendron hybr. | Germany | | 0 | 12E0100393 ** |
| 190 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100394 ** |
| 191 | 53511 | 12E0100396 | 'Curlew' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100396 ** |
| 192 | 53512 | 12E0100397 | 'Cynthia' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100397 ** |
| 193 | 53513 | 12E0100398 | 'Schneegold' | Rhododendron hybr. | Germany | | 0 | 12E0100398 ** |
| 194 | 53514 | 12E0100399 | 'Doctor Tjebbes' | Rhododendron hybr. | Netherlands | | 0 | 12E0100399 ** |
| 195 | 53523 | 12E0100408 | 'Francesca' | Rhododendron hybr. | United States | | 0 | 12E0100408 ** |
| 196 | 53525 | 12E0100410 | 'General D. Eisenhower' | Rhododendron griffithianum Wight | Netherlands | | 0 | 12E0100410 ** |
| 197 | 53526 | 12E0100411 | 'Gina Lollobrigida' | Rhododendron hybr. | Netherlands | | 0 | 12E0100411 ** |
| 198 | 53527 | 12E0100412 | 'Hachmann's Charmant' | Rhododendron hybr. | Germany | | 0 | 12E0100412 ** |
| 199 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 0 | 12E0100423 ** |
| 200 | 53544 | 12E0100429 | 'Lady Longman' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100429 ** |
| 201 | 53545 | 12E0100430 | 'Ladybird' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 0 | 12E0100430 ** |
| 202 | 53551 | 12E0100436 | 'Melidioso' | Rhododendron hybr. | Germany | | 0 | 12E0100436 ** |
| 203 | 53552 | 12E0100437 | 'Mrs John Penn' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100437 ** |
| 204 | 53553 | 12E0100438 | 'Mrs T. H. Lowinsky' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100438 ** |
| 205 | 53559 | 12E0100444 | 'Pride of Cambridge' | Rhododendron hybr. | unknown | | 0 | 12E0100444 ** |
| 206 | 53566 | 12E0100451 | 'Roland' | Rhododendron hybr. | United Kingdom | | 0 | 12E0100451 ** |
| 207 | 53574 | 12E0100459 | 'Sneezy' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 0 | 12E0100459 ** |
| 208 | 53577 | 12E0100462 | 'The General' | Rhododendron catawbiense Michx. | United States | | 0 | 12E0100462 ** |
| 209 | 53580 | 12E0100465 | 'Torero' | Rhododendron hybr. | Germany | | 0 | 12E0100465 ** |
| 210 | 53582 | 12E0100467 | 'Soir de Paris' | Rhododendron viscosum (L.) Torr. | Netherlands | | 0 | 12E0100467 ** |
| 211 | 53609 | 12E0100494 | 'Azurika' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 0 | 12E0100494 ** |
| 212 | 53610 | 12E0100495 | 'Azurwolke' | Rhododendron hybr. | unknown | | 0 | 12E0100495 ** |
| 213 | 53614 | 12E0100499 | 'Spaetlese' | Rhododendron hybr. | unknown | | 0 | 12E0100499 ** |
| 214 | 53632 | 12E0100517 | 'Duque de San Lucar' | Rhododendron hybr. | unknown | | 0 | 12E0100517 ** |
| 215 | 53651 | 12E0100537 | 'Golden Melodie' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 0 | 12E0100537 ** |
| 216 | 53652 | 12E0100538 | 'Goldflimmer' | Rhododendron hybr. | unknown | | 0 | 12E0100538 ** |
| 217 | 53654 | 12E0100540 | 'Graziella' | Rhododendron hybr. | Germany | Historic | 0 | 12E0100540 ** |
| 218 | 53667 | 12E0100553 | 'Fuego' | Rhododendron haematodes Franch. | Germany | | 0 | 12E0100553 ** |
| 219 | 53695 | 12E0100702 | 'Largo' | Rhododendron forrestii Balf. f. ex Diels | Czechoslovakia | | 0 | 12E0100702 ** |
| 220 | 53698 | 12E0100802 | 'Olin O. Dobbs' | Rhododendron hybr. | Oregon, United States | | 0 | 12E0100802 ** |
| 221 | 53702 | 12E0100806 | 'Hachmann's Mikado' | Rhododendron hybr. | Germany | | 0 | 12E0100806 ** |
| 222 | 53705 | 12E0100809 | 'Bilderdijk' | Rhododendron hybr. | Belgium | | 0 | 12E0100809 ** |
| 223 | 53707 | 12E0100811 | 'Frank Galsworthy' | Rhododendron ponticum L. | United Kingdom | | 0 | 12E0100811 ** |
| 224 | 53709 | 12E0100813 | 'Germania' | Rhododendron hybr. | Germany | | 0 | 12E0100813 ** |
| 225 | 53713 | 12E0100817 | 'Multimaculatum' | Rhododendron ponticum L. | United Kingdom | | 0 | 12E0100817 ** |
| 226 | 53714 | 12E0100818 | 'Monsieur Marcel Menard' | Rhododendron hybr. | France | | 0 | 12E0100818 ** |
| 227 | 53715 | 12E0100819 | 'Viscy' | Rhododendron hybr. | Germany | | 0 | 12E0100819 ** |
| 228 | 53716 | 12E0100820 | 'Bariton' | Rhododendron hybr. | Germany | | 0 | 12E0100820 ** |
| 229 | 53718 | 12E0100822 | 'Dominik' | Rhododendron hybr. | Germany | | 0 | 12E0100822 ** |
| 230 | 53719 | 12E0100823 | 'Hachmann's Kabarett' | Rhododendron hybr. | Germany | | 0 | 12E0100823 ** |
| 231 | 53720 | 12E0100824 | 'Turkana' | Rhododendron hybr. | Germany | | 0 | 12E0100824 ** |
| 232 | 53721 | 12E0100825 | 'Gartendirektor Rieger' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 0 | 12E0100825 ** |
| 233 | 53728 | 12E0100832 | 'Moser's Maroon' | Rhododendron hybr. | France | | 0 | 12E0100832 ** |
| 234 | 53731 | 12E0100835 | 'Hachmann's Anastasia' | Rhododendron hybr. | Germany | | 0 | 12E0100835 ** |
| 235 | 53732 | 12E0100836 | 'Dolcemente' | Rhododendron hybr. | Germany | | 0 | 12E0100836 ** |
| 236 | 53733 | 12E0100837 | 'Charis' | Rhododendron hybr. | Germany | | 0 | 12E0100837 ** |
| 237 | 53736 | 12E0100840 | 'Sarasate' | Rhododendron hybr. | Germany | | 0 | 12E0100840 ** |
| 238 | 53739 | 12E0100843 | 'Loket' | Rhododendron strigillosum Franch. | Czech Republic | | 0 | 12E0100843 ** |
| 239 | 53746 | 12E0100850 | 'Fuellhorn' | Rhododendron hybr. | Germany | | 0 | 12E0100850 ** |
| 240 | 53747 | 12E0100851 | 'Vizovice' | Rhododendron kiusianum Makino | Czech Republic | | 0 | 12E0100851 ** |
| 241 | 53748 | 12E0100852 | 'Bouzov' | Rhododendron decorum Franch. | Czech Republic | | 0 | 12E0100852 ** |
| 242 | 53751 | 12E0100855 | 'Blue Boy' | Rhododendron hybr. | Washington, United States | | 0 | 12E0100855 ** |
| 243 | 53753 | 12E0100857 | 'Orlik' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100857 ** |
| 244 | 53754 | 12E0100858 | 'Bezdez' | Rhododendron ponticum L. | Czech Republic | | 0 | 12E0100858 ** |
| 245 | 53755 | 12E0100859 | 'Kokorin' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100859 ** |
| 246 | 53757 | 12E0100861 | 'Karlstejn' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100861 ** |
| 247 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100862 ** |
| 248 | 53759 | 12E0100863 | 'Lipnice' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100863 ** |
| 249 | 53765 | 12E0100869 | 'Ignatius Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100869 ** |
| 250 | 53768 | 12E0100872 | 'Osmar' | Rhododendron williamsianum Rehder & E. H. Wilson | United Kingdom | | 0 | 12E0100872 ** |
| 251 | 53769 | 12E0100873 | 'C. S. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 0 | 12E0100873 ** |
| 252 | 53770 | 12E0100874 | 'Ursula Siems' | Rhododendron forrestii Balf. f. ex Diels | Germany | | 0 | 12E0100874 ** |
| 253 | 53771 | 12E0100875 | 'Opocno' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 0 | 12E0100875 ** |
| 254 | 53772 | 12E0100876 | 'Svihov' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100876 ** |
| 255 | 53773 | 12E0100877 | 'Sovinec' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100877 ** |
| 256 | 53775 | 12E0100879 | 'Krakovec' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100879 ** |
| 257 | 65825 | 12E0100885 | 'Zvikov' | Rhododendron hybr. | Czech Republic | | 0 | 12E0100885 ** |
| 258 | 65857 | 12E0100890 | 'Kriemhild' | Rhododendron wardii W. W. Sm. | Germany | | 0 | 12E0100890 ** |
| 259 | 65863 | 12E0100891 | 'Mrs Philip Martineau' | Rhododendron hybr. | England, United Kingdom | | 0 | 12E0100891 ** |