| 0 | 53116 | 12E0100001 | 'Alena' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100001 ** |
| 1 | 53119 | 12E0100004 | 'Bohumil Kavka' | Rhododendron hybr. | Czechoslovakia | | 5 | 12E0100004 ** |
| 2 | 53124 | 12E0100009 | 'Hurvinek' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 5 | 12E0100009 ** |
| 3 | 53127 | 12E0100012 | 'Marka' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100012 ** |
| 4 | 53129 | 12E0100014 | 'Moravanka' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 5 | 12E0100014 ** |
| 5 | 53130 | 12E0100015 | 'Marie Oliva Schlickova' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100015 ** |
| 6 | 53135 | 12E0100020 | 'Rose Marie' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100020 ** |
| 7 | 53136 | 12E0100021 | 'Saba' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100021 ** |
| 8 | 53137 | 12E0100022 | 'Sputnik' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 5 | 12E0100022 ** |
| 9 | 53140 | 12E0100025 | 'Album Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100025 ** |
| 10 | 53147 | 12E0100032 | 'Blue Danube' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 5 | 12E0100032 ** |
| 11 | 53191 | 12E0100076 | 'Picturatum' | Rhododendron maximum L. | United Kingdom | | 5 | 12E0100076 ** |
| 12 | 53198 | 12E0100083 | 'Admiral Piet Hein' | Rhododendron hybr. | Netherlands | | 5 | 12E0100083 ** |
| 13 | 53223 | 12E0100108 | 'Sweet Simplicity' | Rhododendron ponticum L. | United Kingdom | | 5 | 12E0100108 ** |
| 14 | 53235 | 12E0100120 | 'Direktoer E. Hjelm' | Rhododendron fortunei Lindl. subsp. fortunei | Netherlands | | 5 | 12E0100120 ** |
| 15 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 5 | 12E0100126 ** |
| 16 | 53242 | 12E0100127 | 'Duke of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 5 | 12E0100127 ** |
| 17 | 53253 | 12E0100138 | 'Sir Charles Butler' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 5 | 12E0100138 ** |
| 18 | 53266 | 12E0100151 | 'Goldfort' | Rhododendron fortunei Lindl. subsp. fortunei | United Kingdom | | 5 | 12E0100151 ** |
| 19 | 53275 | 12E0100160 | 'Hermann Nitzschner' | Rhododendron hybr. | Germany | | 5 | 12E0100160 ** |
| 20 | 53295 | 12E0100180 | 'Marie Fortie' | Rhododendron hybr. | Belgium | | 5 | 12E0100180 ** |
| 21 | 53324 | 12E0100209 | 'Von Oheimb - Woislowitz' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100209 ** |
| 22 | 53338 | 12E0100223 | 'Roseum Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100223 ** |
| 23 | 53339 | 12E0100224 | 'Roseum Superbum' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100224 ** |
| 24 | 53354 | 12E0100239 | 'Blueshine Girl' | Rhododendron wardii W. W. Sm. | Germany | | 5 | 12E0100239 ** |
| 25 | 53373 | 12E0100258 | 'Toucan' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100258 ** |
| 26 | 53379 | 12E0100264 | 'Hachmann's Ornament' | Rhododendron hybr. | Germany | | 5 | 12E0100264 ** |
| 27 | 53385 | 12E0100270 | 'Redwood' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 5 | 12E0100270 ** |
| 28 | 53391 | 12E0100276 | 'Schneebukett' | Rhododendron hybr. | Germany | | 5 | 12E0100276 ** |
| 29 | 53392 | 12E0100277 | 'Stadt Essen' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100277 ** |
| 30 | 53397 | 12E0100282 | 'Admiral Vanessa' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 5 | 12E0100282 ** |
| 31 | 53399 | 12E0100284 | 'Anna Robenek' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 5 | 12E0100284 ** |
| 32 | 53422 | 12E0100307 | 'Scintillation' | Rhododendron fortunei Lindl. subsp. fortunei | United States | | 5 | 12E0100307 ** |
| 33 | 53430 | 12E0100315 | 'Ben Moseley' | Rhododendron fortunei Lindl. subsp. fortunei | United States | | 5 | 12E0100315 ** |
| 34 | 53438 | 12E0100323 | 'Bruns Schneewittchen' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 5 | 12E0100323 ** |
| 35 | 53467 | 12E0100352 | 'Astrid' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100352 ** |
| 36 | 53475 | 12E0100360 | 'Malwine' | Rhododendron hybr. | Germany | | 5 | 12E0100360 ** |
| 37 | 53478 | 12E0100363 | 'Clivia' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100363 ** |
| 38 | 53494 | 12E0100379 | 'Parkfeuer' | Rhododendron hybr. | Germany | | 5 | 12E0100379 ** |
| 39 | 53496 | 12E0100381 | 'James Burchett' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 5 | 12E0100381 ** |
| 40 | 53502 | 12E0100387 | 'Berlin' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100387 ** |
| 41 | 53525 | 12E0100410 | 'General D. Eisenhower' | Rhododendron griffithianum Wight | Netherlands | | 5 | 12E0100410 ** |
| 42 | 53541 | 12E0100426 | 'Ken Janeck' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 5 | 12E0100426 ** |
| 43 | 53545 | 12E0100430 | 'Ladybird' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 5 | 12E0100430 ** |
| 44 | 53550 | 12E0100435 | 'Silber' | Rhododendron makinoi Tagg ex Nakai | Germany | | 5 | 12E0100435 ** |
| 45 | 53551 | 12E0100436 | 'Melidioso' | Rhododendron hybr. | Germany | | 5 | 12E0100436 ** |
| 46 | 53560 | 12E0100445 | 'Silver Slipper' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100445 ** |
| 47 | 53586 | 12E0100471 | 'Ballerina' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100471 ** |
| 48 | 53589 | 12E0100474 | 'Cecile' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100474 ** |
| 49 | 53591 | 12E0100476 | 'Fasching' | Rhododendron hybr. | Germany | | 5 | 12E0100476 ** |
| 50 | 53614 | 12E0100499 | 'Spaetlese' | Rhododendron hybr. | unknown | | 5 | 12E0100499 ** |
| 51 | 53620 | 12E0100505 | 'Canzonetta' | Rhododendron hybr. | unknown | | 5 | 12E0100505 ** |
| 52 | 53645 | 12E0100531 | 'Satschiko' | Rhododendron hybr. | Germany | | 5 | 12E0100531 ** |
| 53 | 53651 | 12E0100537 | 'Golden Melodie' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 5 | 12E0100537 ** |
| 54 | 53662 | 12E0100548 | 'Marie Podvalova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 5 | 12E0100548 ** |
| 55 | 53666 | 12E0100552 | 'Pavla Kytlicova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 5 | 12E0100552 ** |
| 56 | 53676 | 12E0100562 | 'Ramapo' | Rhododendron minus Michx. var. minus | unknown | | 5 | 12E0100562 ** |
| 57 | 53681 | 12E0100567 | 'Signalgluehen' | Rhododendron hybr. | Germany | | 5 | 12E0100567 ** |
| 58 | 53687 | 12E0100606 | 'Morava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100606 ** |
| 59 | 53697 | 12E0100801 | 'Sychrov' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 5 | 12E0100801 ** |
| 60 | 53732 | 12E0100836 | 'Dolcemente' | Rhododendron hybr. | Germany | | 5 | 12E0100836 ** |
| 61 | 53739 | 12E0100843 | 'Loket' | Rhododendron strigillosum Franch. | Czech Republic | | 5 | 12E0100843 ** |
| 62 | 53744 | 12E0100848 | 'Bakkarat' | Rhododendron hybr. | Germany | | 5 | 12E0100848 ** |
| 63 | 53764 | 12E0100868 | 'Golden Eagle' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100868 ** |
| 64 | 53772 | 12E0100876 | 'Svihov' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100876 ** |
| 65 | 65600 | 12E0100882 | 'Klenova' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100882 ** |
| 66 | 65823 | 12E0100883 | 'Rusalka' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100883 ** |
| 67 | 65825 | 12E0100885 | 'Zvikov' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100885 ** |
| 68 | 65918 | 12E0100893 | 'Hachmann's Mercator' | Rhododendron hybr. | Germany | | 5 | 12E0100893 ** |
| 69 | 65919 | 12E0100894 | 'Hachhans' | Rhododendron hybr. | Germany | | 5 | 12E0100894 ** |