| 0 | 53117 | 12E0100002 | 'Antonin Dvorak' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 3 | 12E0100002 ** |
| 1 | 53403 | 12E0100288 | 'Pink Delight' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100288 ** |
| 2 | 53429 | 12E0100314 | 'Persil' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100314 ** |
| 3 | 53484 | 12E0100369 | 'Sylphides' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100369 ** |
| 4 | 53490 | 12E0100375 | 'Otto Hahn' | Rhododendron hybr. | Germany | | 3 | 12E0100375 ** |
| 5 | 53513 | 12E0100398 | 'Schneegold' | Rhododendron hybr. | Germany | | 3 | 12E0100398 ** |
| 6 | 53518 | 12E0100403 | 'Saturnus' | Rhododendron hybr. | Netherlands | | 3 | 12E0100403 ** |
| 7 | 53536 | 12E0100421 | 'Hachmann's Juanita' | Rhododendron hybr. | Germany | | 3 | 12E0100421 ** |
| 8 | 53540 | 12E0100425 | 'Radiant' | Rhododendron hybr. | Netherlands | | 3 | 12E0100425 ** |
| 9 | 53549 | 12E0100434 | 'J. Jennings' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100434 ** |
| 10 | 53560 | 12E0100445 | 'Silver Slipper' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100445 ** |
| 11 | 53582 | 12E0100467 | 'Soir de Paris' | Rhododendron viscosum (L.) Torr. | Netherlands | | 3 | 12E0100467 ** |
| 12 | 53596 | 12E0100481 | 'Glowing Embers' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100481 ** |
| 13 | 53598 | 12E0100483 | 'Golden Flare' | Rhododendron hybr. | Netherlands | | 3 | 12E0100483 ** |
| 14 | 53599 | 12E0100484 | 'Golden Sunset' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100484 ** |
| 15 | 53601 | 12E0100486 | 'Goldtopas' | Rhododendron hybr. | Germany | | 3 | 12E0100486 ** |
| 16 | 53602 | 12E0100487 | 'Hachmann's Harlekin' | Rhododendron hybr. | Germany | | 3 | 12E0100487 ** |
| 17 | 53613 | 12E0100498 | 'Blaauw's Pink' | Rhododendron hybr. | unknown | | 3 | 12E0100498 ** |
| 18 | 53618 | 12E0100503 | 'Campfire' | Rhododendron hybr. | unknown | | 3 | 12E0100503 ** |
| 19 | 53626 | 12E0100511 | 'Diamant Lachs' | Rhododendron kiusianum Makino | Germany | | 3 | 12E0100511 ** |
| 20 | 53627 | 12E0100512 | 'Diamant Purpur' | Rhododendron kiusianum Makino | Germany | | 3 | 12E0100512 ** |
| 21 | 53628 | 12E0100513 | 'Diamant Rosa' | Rhododendron kiusianum Makino | Germany | | 3 | 12E0100513 ** |
| 22 | 53636 | 12E0100521 | 'Rauschenstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 3 | 12E0100521 ** |
| 23 | 53638 | 12E0100523 | 'Wildenstein' | Rhododendron kiusianum Makino | unknown | | 3 | 12E0100523 ** |
| 24 | 53639 | 12E0100524 | 'Hachmann's Estrella' | Rhododendron hybr. | Germany | | 3 | 12E0100524 ** |
| 25 | 53649 | 12E0100535 | 'Ginger' | Rhododendron hybr. | unknown | | 3 | 12E0100535 ** |
| 26 | 53650 | 12E0100536 | 'Gloria Mundi' | Rhododendron hybr. | unknown | | 3 | 12E0100536 ** |
| 27 | 53660 | 12E0100546 | 'Hinodegiri' | Rhododendron hybr. | Japan | | 3 | 12E0100546 ** |
| 28 | 53662 | 12E0100548 | 'Marie Podvalova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 3 | 12E0100548 ** |
| 29 | 53672 | 12E0100558 | 'Silvester' | Rhododendron hybr. | Netherlands | | 3 | 12E0100558 ** |
| 30 | 53682 | 12E0100601 | 'Blanice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100601 ** |
| 31 | 53684 | 12E0100603 | 'Doubrava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100603 ** |
| 32 | 53685 | 12E0100604 | 'Profesor Jersov' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100604 ** |
| 33 | 53691 | 12E0100610 | 'Sazava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100610 ** |
| 34 | 53692 | 12E0100611 | 'Vltava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100611 ** |
| 35 | 53695 | 12E0100702 | 'Largo' | Rhododendron forrestii Balf. f. ex Diels | Czechoslovakia | | 3 | 12E0100702 ** |
| 36 | 53696 | 12E0100703 | 'Ma vlast' | Rhododendron forrestii Balf. f. ex Diels | Czechoslovakia | | 3 | 12E0100703 ** |
| 37 | 53699 | 12E0100803 | 'Reve d'Amour' | Rhododendron viscosum (L.) Torr. | Netherlands | | 3 | 12E0100803 ** |
| 38 | 53711 | 12E0100815 | 'Jock Brydon' | Rhododendron occidentale (Torr. & A. Gray) A. Gray | Oregon, United States | | 3 | 12E0100815 ** |
| 39 | 53712 | 12E0100816 | 'Madame Albert van Hecke' | Rhododendron kaempferi Planch. | Belgium | | 3 | 12E0100816 ** |
| 40 | 53724 | 12E0100828 | 'Schneeglanz' | Rhododendron obtusum (Lindl.) Planch. | Germany | | 3 | 12E0100828 ** |
| 41 | 53735 | 12E0100839 | 'Kuks' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100839 ** |
| 42 | 53743 | 12E0100847 | 'Velka Morava' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100847 ** |
| 43 | 53745 | 12E0100849 | 'Veltrusy' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100849 ** |
| 44 | 53747 | 12E0100851 | 'Vizovice' | Rhododendron kiusianum Makino | Czech Republic | | 3 | 12E0100851 ** |
| 45 | 53750 | 12E0100854 | 'Wryneck' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100854 ** |
| 46 | 53760 | 12E0100864 | 'Kacina' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100864 ** |
| 47 | 53761 | 12E0100865 | 'Kromeriz' | Rhododendron kiusianum Makino | Czech Republic | | 3 | 12E0100865 ** |
| 48 | 68273 | 12E0100568 | 'Certoryje' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100568 ** |