| 0 | 53124 | 12E0100009 | 'Hurvinek' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 5 | 12E0100009 ** |
| 1 | 53170 | 12E0100055 | 'Holger' | Rhododendron hybr. | Germany | | 5 | 12E0100055 ** |
| 2 | 53181 | 12E0100066 | 'Leopold' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100066 ** |
| 3 | 53210 | 12E0100095 | 'Mrs Davies Evans' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100095 ** |
| 4 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 5 | 12E0100099 ** |
| 5 | 53216 | 12E0100101 | 'Bashful' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 5 | 12E0100101 ** |
| 6 | 53221 | 12E0100106 | 'Blue Tit' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 5 | 12E0100106 ** |
| 7 | 53233 | 12E0100118 | 'Bruns Diana' | Rhododendron hybr. | Germany | | 5 | 12E0100118 ** |
| 8 | 53238 | 12E0100123 | 'Doktor h. c. Alexander Steffen' | Rhododendron hybr. | unknown | | 5 | 12E0100123 ** |
| 9 | 53248 | 12E0100133 | 'Erika' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 5 | 12E0100133 ** |
| 10 | 53298 | 12E0100183 | 'Bambola' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100183 ** |
| 11 | 53299 | 12E0100184 | 'Barmstedt' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100184 ** |
| 12 | 53306 | 12E0100191 | 'Fantastica' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100191 ** |
| 13 | 53311 | 12E0100196 | 'Jacksonii' | Rhododendron caucasicum Pall. | unknown | | 5 | 12E0100196 ** |
| 14 | 53317 | 12E0100202 | 'Lissabon' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100202 ** |
| 15 | 53318 | 12E0100203 | 'Lumina' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100203 ** |
| 16 | 53326 | 12E0100211 | 'Oudijk's Sensation' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100211 ** |
| 17 | 53341 | 12E0100226 | 'Royal Pink' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100226 ** |
| 18 | 53351 | 12E0100236 | 'Tatjana' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100236 ** |
| 19 | 53357 | 12E0100242 | 'Elisabeth Hobbie' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 5 | 12E0100242 ** |
| 20 | 53361 | 12E0100246 | 'Goldika' | Rhododendron wardii W. W. Sm. | Germany | | 5 | 12E0100246 ** |
| 21 | 53362 | 12E0100247 | 'Goldrausch' | Rhododendron wardii W. W. Sm. | Germany | | 5 | 12E0100247 ** |
| 22 | 53363 | 12E0100248 | 'Bad Eilsen' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 5 | 12E0100248 ** |
| 23 | 53368 | 12E0100253 | 'Julischka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100253 ** |
| 24 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100259 ** |
| 25 | 53377 | 12E0100262 | 'Obergaertner Robenek' | Rhododendron hybr. | Germany | | 5 | 12E0100262 ** |
| 26 | 53382 | 12E0100267 | 'Pink Cherub' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 5 | 12E0100267 ** |
| 27 | 53386 | 12E0100271 | 'Rendezvous' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100271 ** |
| 28 | 53392 | 12E0100277 | 'Stadt Essen' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100277 ** |
| 29 | 53402 | 12E0100287 | 'Kluis Sensation' | Rhododendron griffithianum Wight | Netherlands | | 5 | 12E0100287 ** |
| 30 | 53425 | 12E0100310 | 'Goerlitz' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100310 ** |
| 31 | 53427 | 12E0100312 | 'Vater Boehlje' | Rhododendron hybr. | Germany | | 5 | 12E0100312 ** |
| 32 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100313 ** |
| 33 | 53448 | 12E0100333 | 'Tibet' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100333 ** |
| 34 | 53451 | 12E0100336 | 'Graefin Kirchbach' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 5 | 12E0100336 ** |
| 35 | 53460 | 12E0100345 | 'Hachmann's Felicitas' | Rhododendron hybr. | Germany | | 5 | 12E0100345 ** |
| 36 | 53461 | 12E0100346 | 'Marietta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100346 ** |
| 37 | 53465 | 12E0100350 | 'Balalaika' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 5 | 12E0100350 ** |
| 38 | 53471 | 12E0100356 | 'Nicoletta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100356 ** |
| 39 | 53475 | 12E0100360 | 'Malwine' | Rhododendron hybr. | Germany | | 5 | 12E0100360 ** |
| 40 | 53478 | 12E0100363 | 'Clivia' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100363 ** |
| 41 | 53479 | 12E0100364 | 'Bruns Diamant' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 5 | 12E0100364 ** |
| 42 | 53481 | 12E0100366 | 'Eggert Rohwer' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100366 ** |
| 43 | 53482 | 12E0100367 | 'Festivo' | Rhododendron wardii W. W. Sm. | Germany | | 5 | 12E0100367 ** |
| 44 | 53483 | 12E0100368 | 'Fruehlingsgold' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100368 ** |
| 45 | 53489 | 12E0100374 | 'Bruns Loreley' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100374 ** |
| 46 | 53495 | 12E0100380 | 'Nigrescens' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100380 ** |
| 47 | 53502 | 12E0100387 | 'Berlin' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100387 ** |
| 48 | 53504 | 12E0100389 | 'Besse Howells' | Rhododendron catawbiense Michx. | United States | | 5 | 12E0100389 ** |
| 49 | 53507 | 12E0100392 | 'Bluebird' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100392 ** |
| 50 | 53517 | 12E0100402 | 'Edelweiss' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100402 ** |
| 51 | 53521 | 12E0100406 | 'Falling Snow' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 5 | 12E0100406 ** |
| 52 | 53541 | 12E0100426 | 'Ken Janeck' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 5 | 12E0100426 ** |
| 53 | 53567 | 12E0100452 | 'Rosa Perle' | Rhododendron makinoi Tagg ex Nakai | Germany | | 5 | 12E0100452 ** |
| 54 | 53605 | 12E0100490 | 'Klondyke' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100490 ** |
| 55 | 53608 | 12E0100493 | 'Allotria' | Rhododendron kaempferi Planch. | Germany | | 5 | 12E0100493 ** |
| 56 | 53610 | 12E0100495 | 'Azurwolke' | Rhododendron hybr. | unknown | | 5 | 12E0100495 ** |
| 57 | 53613 | 12E0100498 | 'Blaauw's Pink' | Rhododendron hybr. | unknown | | 5 | 12E0100498 ** |
| 58 | 53651 | 12E0100537 | 'Golden Melodie' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 5 | 12E0100537 ** |
| 59 | 53654 | 12E0100540 | 'Graziella' | Rhododendron hybr. | Germany | Historic | 5 | 12E0100540 ** |
| 60 | 53676 | 12E0100562 | 'Ramapo' | Rhododendron minus Michx. var. minus | unknown | | 5 | 12E0100562 ** |
| 61 | 53682 | 12E0100601 | 'Blanice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100601 ** |
| 62 | 53683 | 12E0100602 | 'Boubin' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100602 ** |
| 63 | 53684 | 12E0100603 | 'Doubrava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100603 ** |
| 64 | 53686 | 12E0100605 | 'Labe' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100605 ** |
| 65 | 53688 | 12E0100607 | 'Orlice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100607 ** |
| 66 | 53689 | 12E0100608 | 'Oslava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100608 ** |
| 67 | 53690 | 12E0100609 | 'Otava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100609 ** |
| 68 | 53692 | 12E0100611 | 'Vltava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100611 ** |
| 69 | 53695 | 12E0100702 | 'Largo' | Rhododendron forrestii Balf. f. ex Diels | Czechoslovakia | | 5 | 12E0100702 ** |
| 70 | 53700 | 12E0100804 | 'Ann Lindsay' | Rhododendron hybr. | Germany | | 5 | 12E0100804 ** |
| 71 | 53706 | 12E0100810 | 'Caroline Allbrook' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 5 | 12E0100810 ** |
| 72 | 53707 | 12E0100811 | 'Frank Galsworthy' | Rhododendron ponticum L. | United Kingdom | | 5 | 12E0100811 ** |
| 73 | 53712 | 12E0100816 | 'Madame Albert van Hecke' | Rhododendron kaempferi Planch. | Belgium | | 5 | 12E0100816 ** |
| 74 | 53714 | 12E0100818 | 'Monsieur Marcel Menard' | Rhododendron hybr. | France | | 5 | 12E0100818 ** |
| 75 | 53715 | 12E0100819 | 'Viscy' | Rhododendron hybr. | Germany | | 5 | 12E0100819 ** |
| 76 | 53720 | 12E0100824 | 'Turkana' | Rhododendron hybr. | Germany | | 5 | 12E0100824 ** |
| 77 | 53727 | 12E0100831 | 'Goeteborg' | Rhododendron smirnowii Trautv. | Sweden | | 5 | 12E0100831 ** |
| 78 | 53734 | 12E0100838 | 'Cervena Lhota' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100838 ** |
| 79 | 53735 | 12E0100839 | 'Kuks' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100839 ** |
| 80 | 53736 | 12E0100840 | 'Sarasate' | Rhododendron hybr. | Germany | | 5 | 12E0100840 ** |
| 81 | 53738 | 12E0100842 | 'Lenora' | Rhododendron ferrugineum L. | Czech Republic | | 5 | 12E0100842 ** |
| 82 | 53742 | 12E0100846 | 'Rohozec' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100846 ** |
| 83 | 53743 | 12E0100847 | 'Velka Morava' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100847 ** |
| 84 | 53751 | 12E0100855 | 'Blue Boy' | Rhododendron hybr. | Washington, United States | | 5 | 12E0100855 ** |
| 85 | 53752 | 12E0100856 | 'Krivoklat' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100856 ** |
| 86 | 53754 | 12E0100858 | 'Bezdez' | Rhododendron ponticum L. | Czech Republic | | 5 | 12E0100858 ** |
| 87 | 53756 | 12E0100860 | 'Hluboka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100860 ** |
| 88 | 53760 | 12E0100864 | 'Kacina' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100864 ** |
| 89 | 53761 | 12E0100865 | 'Kromeriz' | Rhododendron kiusianum Makino | Czech Republic | | 5 | 12E0100865 ** |
| 90 | 53768 | 12E0100872 | 'Osmar' | Rhododendron williamsianum Rehder & E. H. Wilson | United Kingdom | | 5 | 12E0100872 ** |
| 91 | 64801 | 12E0100881 | 'Jezeri' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100881 ** |
| 92 | 66597 | 12E0100895 | 'Rotkaeppchen' | Rhododendron hybr. | Germany | | 5 | 12E0100895 ** |