| 0 | 53120 | 12E0100005 | 'Dagmar' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100005 ** |
| 1 | 53131 | 12E0100016 | 'Motyl' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100016 ** |
| 2 | 53144 | 12E0100029 | 'Arthur Bedford' | Rhododendron ponticum L. | United Kingdom | | 5 | 12E0100029 ** |
| 3 | 53174 | 12E0100059 | 'Kokardia' | Rhododendron hybr. | Germany | | 5 | 12E0100059 ** |
| 4 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 5 | 12E0100067 ** |
| 5 | 53183 | 12E0100068 | 'Marchioness of Landsdowne' | Rhododendron maximum L. | United Kingdom | | 5 | 12E0100068 ** |
| 6 | 53207 | 12E0100092 | 'Mrs Furnivall' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100092 ** |
| 7 | 53218 | 12E0100103 | 'Madame Jules Porges' | Rhododendron hybr. | France | | 5 | 12E0100103 ** |
| 8 | 53239 | 12E0100124 | 'Madame Linden' | Rhododendron hybr. | Germany | | 5 | 12E0100124 ** |
| 9 | 53265 | 12E0100150 | 'Goldfinch' | Rhododendron wardii W. W. Sm. | unknown | | 5 | 12E0100150 ** |
| 10 | 53331 | 12E0100216 | 'Cannon's Double' | Rhododendron hybr. | United States | | 5 | 12E0100216 ** |
| 11 | 53373 | 12E0100258 | 'Toucan' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100258 ** |
| 12 | 53379 | 12E0100264 | 'Hachmann's Ornament' | Rhododendron hybr. | Germany | | 5 | 12E0100264 ** |
| 13 | 53397 | 12E0100282 | 'Admiral Vanessa' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 5 | 12E0100282 ** |
| 14 | 53403 | 12E0100288 | 'Pink Delight' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100288 ** |
| 15 | 53429 | 12E0100314 | 'Persil' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100314 ** |
| 16 | 53459 | 12E0100344 | 'Azurro' | Rhododendron hybr. | Germany | | 5 | 12E0100344 ** |
| 17 | 53462 | 12E0100347 | 'Rasputin' | Rhododendron hybr. | Germany | | 5 | 12E0100347 ** |
| 18 | 53468 | 12E0100353 | 'Schneeauge' | Rhododendron hybr. | Germany | | 5 | 12E0100353 ** |
| 19 | 53469 | 12E0100354 | 'Hachmann's Diadem' | Rhododendron hybr. | Germany | | 5 | 12E0100354 ** |
| 20 | 53471 | 12E0100356 | 'Nicoletta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100356 ** |
| 21 | 53474 | 12E0100359 | 'Ricarda' | Rhododendron hybr. | Germany | | 5 | 12E0100359 ** |
| 22 | 53476 | 12E0100361 | 'Sonare' | Rhododendron hybr. | Germany | | 5 | 12E0100361 ** |
| 23 | 53490 | 12E0100375 | 'Otto Hahn' | Rhododendron hybr. | Germany | | 5 | 12E0100375 ** |
| 24 | 53492 | 12E0100377 | 'Sarina' | Rhododendron hybr. | Germany | | 5 | 12E0100377 ** |
| 25 | 53513 | 12E0100398 | 'Schneegold' | Rhododendron hybr. | Germany | | 5 | 12E0100398 ** |
| 26 | 53527 | 12E0100412 | 'Hachmann's Charmant' | Rhododendron hybr. | Germany | | 5 | 12E0100412 ** |
| 27 | 53536 | 12E0100421 | 'Hachmann's Juanita' | Rhododendron hybr. | Germany | | 5 | 12E0100421 ** |
| 28 | 53544 | 12E0100429 | 'Lady Longman' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100429 ** |
| 29 | 53549 | 12E0100434 | 'J. Jennings' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100434 ** |
| 30 | 53553 | 12E0100438 | 'Mrs T. H. Lowinsky' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100438 ** |
| 31 | 53560 | 12E0100445 | 'Silver Slipper' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100445 ** |
| 32 | 53581 | 12E0100466 | 'Kalamaika' | Rhododendron hybr. | Germany | | 5 | 12E0100466 ** |
| 33 | 53582 | 12E0100467 | 'Soir de Paris' | Rhododendron viscosum (L.) Torr. | Netherlands | | 5 | 12E0100467 ** |
| 34 | 53589 | 12E0100474 | 'Cecile' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100474 ** |
| 35 | 53598 | 12E0100483 | 'Golden Flare' | Rhododendron hybr. | Netherlands | | 5 | 12E0100483 ** |
| 36 | 53601 | 12E0100486 | 'Goldtopas' | Rhododendron hybr. | Germany | | 5 | 12E0100486 ** |
| 37 | 53605 | 12E0100490 | 'Klondyke' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100490 ** |
| 38 | 53649 | 12E0100535 | 'Ginger' | Rhododendron hybr. | unknown | | 5 | 12E0100535 ** |
| 39 | 53650 | 12E0100536 | 'Gloria Mundi' | Rhododendron hybr. | unknown | | 5 | 12E0100536 ** |
| 40 | 53651 | 12E0100537 | 'Golden Melodie' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 5 | 12E0100537 ** |
| 41 | 53684 | 12E0100603 | 'Doubrava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100603 ** |
| 42 | 53698 | 12E0100802 | 'Olin O. Dobbs' | Rhododendron hybr. | Oregon, United States | | 5 | 12E0100802 ** |
| 43 | 53699 | 12E0100803 | 'Reve d'Amour' | Rhododendron viscosum (L.) Torr. | Netherlands | | 5 | 12E0100803 ** |
| 44 | 53704 | 12E0100808 | 'Nippon' | Rhododendron wardii W. W. Sm. | Germany | | 5 | 12E0100808 ** |
| 45 | 53707 | 12E0100811 | 'Frank Galsworthy' | Rhododendron ponticum L. | United Kingdom | | 5 | 12E0100811 ** |
| 46 | 53708 | 12E0100812 | 'Hyperion' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100812 ** |
| 47 | 53710 | 12E0100814 | 'Sapporo' | Rhododendron hybr. | Germany | | 5 | 12E0100814 ** |
| 48 | 53716 | 12E0100820 | 'Bariton' | Rhododendron hybr. | Germany | | 5 | 12E0100820 ** |
| 49 | 53718 | 12E0100822 | 'Dominik' | Rhododendron hybr. | Germany | | 5 | 12E0100822 ** |
| 50 | 53719 | 12E0100823 | 'Hachmann's Kabarett' | Rhododendron hybr. | Germany | | 5 | 12E0100823 ** |
| 51 | 53736 | 12E0100840 | 'Sarasate' | Rhododendron hybr. | Germany | | 5 | 12E0100840 ** |
| 52 | 53744 | 12E0100848 | 'Bakkarat' | Rhododendron hybr. | Germany | | 5 | 12E0100848 ** |
| 53 | 53757 | 12E0100861 | 'Karlstejn' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100861 ** |
| 54 | 53764 | 12E0100868 | 'Golden Eagle' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100868 ** |