| 0 | 53363 | 12E0100248 | 'Bad Eilsen' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 3 | 12E0100248 ** |
| 1 | 53506 | 12E0100391 | 'Blue Tit Magor' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 3 | 12E0100391 ** |
| 2 | 53507 | 12E0100392 | 'Bluebird' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100392 ** |
| 3 | 53511 | 12E0100396 | 'Curlew' | Rhododendron hybr. | United Kingdom | | 3 | 12E0100396 ** |
| 4 | 53608 | 12E0100493 | 'Allotria' | Rhododendron kaempferi Planch. | Germany | | 3 | 12E0100493 ** |
| 5 | 53610 | 12E0100495 | 'Azurwolke' | Rhododendron hybr. | unknown | | 3 | 12E0100495 ** |
| 6 | 53613 | 12E0100498 | 'Blaauw's Pink' | Rhododendron hybr. | unknown | | 3 | 12E0100498 ** |
| 7 | 53615 | 12E0100500 | 'Brunella' | Rhododendron hybr. | unknown | | 3 | 12E0100500 ** |
| 8 | 53620 | 12E0100505 | 'Canzonetta' | Rhododendron hybr. | unknown | | 3 | 12E0100505 ** |
| 9 | 53634 | 12E0100519 | 'Koenigstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 3 | 12E0100519 ** |
| 10 | 53637 | 12E0100522 | 'Schrammstein' | Rhododendron kiusianum Makino | unknown | | 3 | 12E0100522 ** |
| 11 | 53638 | 12E0100523 | 'Wildenstein' | Rhododendron kiusianum Makino | unknown | | 3 | 12E0100523 ** |
| 12 | 53639 | 12E0100524 | 'Hachmann's Estrella' | Rhododendron hybr. | Germany | | 3 | 12E0100524 ** |
| 13 | 53644 | 12E0100530 | 'Florida' | Rhododendron hybr. | unknown | | 3 | 12E0100530 ** |
| 14 | 53645 | 12E0100531 | 'Satschiko' | Rhododendron hybr. | Germany | | 3 | 12E0100531 ** |
| 15 | 53660 | 12E0100546 | 'Hinodegiri' | Rhododendron hybr. | Japan | | 3 | 12E0100546 ** |
| 16 | 53662 | 12E0100548 | 'Marie Podvalova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 3 | 12E0100548 ** |
| 17 | 53664 | 12E0100550 | 'Bozena Nemcova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 3 | 12E0100550 ** |
| 18 | 53666 | 12E0100552 | 'Pavla Kytlicova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 3 | 12E0100552 ** |
| 19 | 53672 | 12E0100558 | 'Silvester' | Rhododendron hybr. | Netherlands | | 3 | 12E0100558 ** |
| 20 | 53674 | 12E0100560 | 'Marilee' | Rhododendron nakaharae Hayata | unknown | | 3 | 12E0100560 ** |
| 21 | 53675 | 12E0100561 | 'Vuyk's Rosyred' | Rhododendron hybr. | unknown | | 3 | 12E0100561 ** |
| 22 | 53677 | 12E0100563 | 'Audia' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 3 | 12E0100563 ** |
| 23 | 53679 | 12E0100565 | 'Buchlovice' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 3 | 12E0100565 ** |
| 24 | 53681 | 12E0100567 | 'Signalgluehen' | Rhododendron hybr. | Germany | | 3 | 12E0100567 ** |
| 25 | 53682 | 12E0100601 | 'Blanice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100601 ** |
| 26 | 53683 | 12E0100602 | 'Boubin' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100602 ** |
| 27 | 53684 | 12E0100603 | 'Doubrava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100603 ** |
| 28 | 53687 | 12E0100606 | 'Morava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100606 ** |
| 29 | 53688 | 12E0100607 | 'Orlice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100607 ** |
| 30 | 53689 | 12E0100608 | 'Oslava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100608 ** |
| 31 | 53690 | 12E0100609 | 'Otava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100609 ** |
| 32 | 53692 | 12E0100611 | 'Vltava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100611 ** |
| 33 | 53693 | 12E0100612 | 'Ledikanense' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czechoslovakia | | 3 | 12E0100612 ** |
| 34 | 53712 | 12E0100816 | 'Madame Albert van Hecke' | Rhododendron kaempferi Planch. | Belgium | | 3 | 12E0100816 ** |
| 35 | 53734 | 12E0100838 | 'Cervena Lhota' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100838 ** |
| 36 | 53735 | 12E0100839 | 'Kuks' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100839 ** |
| 37 | 53737 | 12E0100841 | 'Lednice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100841 ** |
| 38 | 53738 | 12E0100842 | 'Lenora' | Rhododendron ferrugineum L. | Czech Republic | | 3 | 12E0100842 ** |
| 39 | 53740 | 12E0100844 | 'Mala Skala' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100844 ** |
| 40 | 53745 | 12E0100849 | 'Veltrusy' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100849 ** |
| 41 | 53749 | 12E0100853 | 'Pruhonice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100853 ** |
| 42 | 53756 | 12E0100860 | 'Hluboka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100860 ** |
| 43 | 53760 | 12E0100864 | 'Kacina' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100864 ** |
| 44 | 53761 | 12E0100865 | 'Kromeriz' | Rhododendron kiusianum Makino | Czech Republic | | 3 | 12E0100865 ** |
| 45 | 53771 | 12E0100875 | 'Opocno' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100875 ** |
| 46 | 64801 | 12E0100881 | 'Jezeri' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100881 ** |
| 47 | 65846 | 12E0100888 | 'Snezka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100888 ** |
| 48 | 67927 | 12E0100896 | 'Milesovka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100896 ** |
| 49 | 68273 | 12E0100568 | 'Certoryje' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100568 ** |