| 0 | 53118 | 12E0100003 | 'Aurora' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 3 | 12E0100003 ** |
| 1 | 53120 | 12E0100005 | 'Dagmar' | Rhododendron decorum Franch. | Czechoslovakia | | 3 | 12E0100005 ** |
| 2 | 53131 | 12E0100016 | 'Motyl' | Rhododendron decorum Franch. | Czechoslovakia | | 3 | 12E0100016 ** |
| 3 | 53139 | 12E0100024 | 'Arnost Silva Tarouca' | Rhododendron decorum Franch. | Czechoslovakia | | 3 | 12E0100024 ** |
| 4 | 53146 | 12E0100031 | 'Bernstein' | Rhododendron hybr. | Germany | | 3 | 12E0100031 ** |
| 5 | 53156 | 12E0100041 | 'Doctor H. C. Dresselhuys' | Rhododendron hybr. | Netherlands | | 3 | 12E0100041 ** |
| 6 | 53216 | 12E0100101 | 'Bashful' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 3 | 12E0100101 ** |
| 7 | 53221 | 12E0100106 | 'Blue Tit' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 3 | 12E0100106 ** |
| 8 | 53223 | 12E0100108 | 'Sweet Simplicity' | Rhododendron ponticum L. | United Kingdom | | 3 | 12E0100108 ** |
| 9 | 53235 | 12E0100120 | 'Direktoer E. Hjelm' | Rhododendron fortunei Lindl. subsp. fortunei | Netherlands | | 3 | 12E0100120 ** |
| 10 | 53246 | 12E0100131 | 'Emma' | Rhododendron catawbiense Michx. | Germany | | 3 | 12E0100131 ** |
| 11 | 53253 | 12E0100138 | 'Sir Charles Butler' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 3 | 12E0100138 ** |
| 12 | 53267 | 12E0100152 | 'Goldsworth Yellow' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100152 ** |
| 13 | 53283 | 12E0100168 | 'May Firth' | Rhododendron hybr. | unknown | | 3 | 12E0100168 ** |
| 14 | 53284 | 12E0100169 | 'Ponticum Roseum' | Rhododendron hybr. | United States | | 3 | 12E0100169 ** |
| 15 | 53290 | 12E0100175 | 'Moses' | Rhododendron hybr. | Germany | | 3 | 12E0100175 ** |
| 16 | 53311 | 12E0100196 | 'Jacksonii' | Rhododendron caucasicum Pall. | unknown | | 3 | 12E0100196 ** |
| 17 | 53313 | 12E0100198 | 'Kantilene' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100198 ** |
| 18 | 53326 | 12E0100211 | 'Oudijk's Sensation' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 3 | 12E0100211 ** |
| 19 | 53330 | 12E0100215 | 'Hachmann's Porzellan' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100215 ** |
| 20 | 53332 | 12E0100217 | 'Progres' | Rhododendron caucasicum Pall. | unknown | | 3 | 12E0100217 ** |
| 21 | 53338 | 12E0100223 | 'Roseum Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 3 | 12E0100223 ** |
| 22 | 53343 | 12E0100228 | 'Schneekrone' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100228 ** |
| 23 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 3 | 12E0100231 ** |
| 24 | 53353 | 12E0100238 | 'August Lamken' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 3 | 12E0100238 ** |
| 25 | 53363 | 12E0100248 | 'Bad Eilsen' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 3 | 12E0100248 ** |
| 26 | 53371 | 12E0100256 | 'Hachmann's Lagerfeuer' | Rhododendron hybr. | Germany | | 3 | 12E0100256 ** |
| 27 | 53373 | 12E0100258 | 'Toucan' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100258 ** |
| 28 | 53375 | 12E0100260 | 'Maharani' | Rhododendron hybr. | Germany | | 3 | 12E0100260 ** |
| 29 | 53390 | 12E0100275 | 'Seestadt Bremerhaven' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 3 | 12E0100275 ** |
| 30 | 53391 | 12E0100276 | 'Schneebukett' | Rhododendron hybr. | Germany | | 3 | 12E0100276 ** |
| 31 | 53397 | 12E0100282 | 'Admiral Vanessa' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 3 | 12E0100282 ** |
| 32 | 53403 | 12E0100288 | 'Pink Delight' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100288 ** |
| 33 | 53405 | 12E0100290 | 'Prinses Marijke' | Rhododendron hybr. | Netherlands | | 3 | 12E0100290 ** |
| 34 | 53413 | 12E0100298 | 'Cheer' | Rhododendron catawbiense Michx. | United States | | 3 | 12E0100298 ** |
| 35 | 53422 | 12E0100307 | 'Scintillation' | Rhododendron fortunei Lindl. subsp. fortunei | United States | | 3 | 12E0100307 ** |
| 36 | 53425 | 12E0100310 | 'Goerlitz' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 3 | 12E0100310 ** |
| 37 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100313 ** |
| 38 | 53429 | 12E0100314 | 'Persil' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100314 ** |
| 39 | 53452 | 12E0100337 | 'Ovation' | Rhododendron haematodes Franch. | United Kingdom | | 3 | 12E0100337 ** |
| 40 | 53457 | 12E0100342 | 'Erato' | Rhododendron hybr. | Germany | | 3 | 12E0100342 ** |
| 41 | 53465 | 12E0100350 | 'Balalaika' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 3 | 12E0100350 ** |
| 42 | 53473 | 12E0100358 | 'Puccini' | Rhododendron hybr. | Germany | | 3 | 12E0100358 ** |
| 43 | 53481 | 12E0100366 | 'Eggert Rohwer' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100366 ** |
| 44 | 53484 | 12E0100369 | 'Sylphides' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100369 ** |
| 45 | 53488 | 12E0100373 | 'Kate Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 3 | 12E0100373 ** |
| 46 | 53513 | 12E0100398 | 'Schneegold' | Rhododendron hybr. | Germany | | 3 | 12E0100398 ** |
| 47 | 53525 | 12E0100410 | 'General D. Eisenhower' | Rhododendron griffithianum Wight | Netherlands | | 3 | 12E0100410 ** |
| 48 | 53527 | 12E0100412 | 'Hachmann's Charmant' | Rhododendron hybr. | Germany | | 3 | 12E0100412 ** |
| 49 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 3 | 12E0100423 ** |
| 50 | 53540 | 12E0100425 | 'Radiant' | Rhododendron hybr. | Netherlands | | 3 | 12E0100425 ** |
| 51 | 53549 | 12E0100434 | 'J. Jennings' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100434 ** |
| 52 | 53551 | 12E0100436 | 'Melidioso' | Rhododendron hybr. | Germany | | 3 | 12E0100436 ** |
| 53 | 53566 | 12E0100451 | 'Roland' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100451 ** |
| 54 | 53572 | 12E0100457 | 'Schwanensee' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 3 | 12E0100457 ** |
| 55 | 53601 | 12E0100486 | 'Goldtopas' | Rhododendron hybr. | Germany | | 3 | 12E0100486 ** |
| 56 | 53620 | 12E0100505 | 'Canzonetta' | Rhododendron hybr. | unknown | | 3 | 12E0100505 ** |
| 57 | 53631 | 12E0100516 | 'Doria' | Rhododendron brachycarpum D. Don ex G. Don | Germany | | 3 | 12E0100516 ** |
| 58 | 53632 | 12E0100517 | 'Duque de San Lucar' | Rhododendron hybr. | unknown | | 3 | 12E0100517 ** |
| 59 | 53634 | 12E0100519 | 'Koenigstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 3 | 12E0100519 ** |
| 60 | 53637 | 12E0100522 | 'Schrammstein' | Rhododendron kiusianum Makino | unknown | | 3 | 12E0100522 ** |
| 61 | 53645 | 12E0100531 | 'Satschiko' | Rhododendron hybr. | Germany | | 3 | 12E0100531 ** |
| 62 | 53651 | 12E0100537 | 'Golden Melodie' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 3 | 12E0100537 ** |
| 63 | 53664 | 12E0100550 | 'Bozena Nemcova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 3 | 12E0100550 ** |
| 64 | 53665 | 12E0100551 | 'Zofie Podlipska' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 3 | 12E0100551 ** |
| 65 | 53666 | 12E0100552 | 'Pavla Kytlicova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 3 | 12E0100552 ** |
| 66 | 53667 | 12E0100553 | 'Fuego' | Rhododendron haematodes Franch. | Germany | | 3 | 12E0100553 ** |
| 67 | 53672 | 12E0100558 | 'Silvester' | Rhododendron hybr. | Netherlands | | 3 | 12E0100558 ** |
| 68 | 53674 | 12E0100560 | 'Marilee' | Rhododendron nakaharae Hayata | unknown | | 3 | 12E0100560 ** |
| 69 | 53690 | 12E0100609 | 'Otava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100609 ** |
| 70 | 53709 | 12E0100813 | 'Germania' | Rhododendron hybr. | Germany | | 3 | 12E0100813 ** |
| 71 | 53716 | 12E0100820 | 'Bariton' | Rhododendron hybr. | Germany | | 3 | 12E0100820 ** |
| 72 | 53726 | 12E0100830 | 'Hermine Seidel' | Rhododendron catawbiense Michx. | Germany | | 3 | 12E0100830 ** |
| 73 | 53733 | 12E0100837 | 'Charis' | Rhododendron hybr. | Germany | | 3 | 12E0100837 ** |
| 74 | 53737 | 12E0100841 | 'Lednice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100841 ** |
| 75 | 53743 | 12E0100847 | 'Velka Morava' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100847 ** |
| 76 | 53745 | 12E0100849 | 'Veltrusy' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100849 ** |
| 77 | 53746 | 12E0100850 | 'Fuellhorn' | Rhododendron hybr. | Germany | | 3 | 12E0100850 ** |
| 78 | 53747 | 12E0100851 | 'Vizovice' | Rhododendron kiusianum Makino | Czech Republic | | 3 | 12E0100851 ** |
| 79 | 53749 | 12E0100853 | 'Pruhonice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100853 ** |
| 80 | 53752 | 12E0100856 | 'Krivoklat' | Rhododendron hybr. | Czech Republic | | 3 | 12E0100856 ** |
| 81 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 3 | 12E0100862 ** |
| 82 | 53760 | 12E0100864 | 'Kacina' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100864 ** |
| 83 | 53772 | 12E0100876 | 'Svihov' | Rhododendron hybr. | Czech Republic | | 3 | 12E0100876 ** |
| 84 | 64798 | 12E0100880 | 'Kotnov' | Rhododendron hybr. | Czech Republic | | 3 | 12E0100880 ** |
| 85 | 64801 | 12E0100881 | 'Jezeri' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100881 ** |