| 0 | 53119 | 12E0100004 | 'Bohumil Kavka' | Rhododendron hybr. | Czechoslovakia | | 7 | 12E0100004 ** |
| 1 | 53122 | 12E0100007 | 'Eva' | Rhododendron hybr. | Czechoslovakia | | 7 | 12E0100007 ** |
| 2 | 53123 | 12E0100008 | 'Humoreska' | Rhododendron hybr. | Czechoslovakia | | 7 | 12E0100008 ** |
| 3 | 53138 | 12E0100023 | 'Vilem Heckel' | Rhododendron hybr. | Czechoslovakia | | 7 | 12E0100023 ** |
| 4 | 53139 | 12E0100024 | 'Arnost Silva Tarouca' | Rhododendron decorum Franch. | Czechoslovakia | | 7 | 12E0100024 ** |
| 5 | 53177 | 12E0100062 | 'Abendrot' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 7 | 12E0100062 ** |
| 6 | 53200 | 12E0100085 | 'Alaric' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100085 ** |
| 7 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 7 | 12E0100099 ** |
| 8 | 53223 | 12E0100108 | 'Sweet Simplicity' | Rhododendron ponticum L. | United Kingdom | | 7 | 12E0100108 ** |
| 9 | 53247 | 12E0100132 | 'Erich' | Rhododendron hybr. | Germany | | 7 | 12E0100132 ** |
| 10 | 53256 | 12E0100141 | 'Florence Sarah Smith' | Rhododendron hybr. | unknown | | 7 | 12E0100141 ** |
| 11 | 53322 | 12E0100207 | 'Mrs P. den Ouden' | Rhododendron hybr. | Netherlands | | 7 | 12E0100207 ** |
| 12 | 53331 | 12E0100216 | 'Cannon's Double' | Rhododendron hybr. | United States | | 7 | 12E0100216 ** |
| 13 | 53338 | 12E0100223 | 'Roseum Elegans' | Rhododendron catawbiense Michx. | United Kingdom | | 7 | 12E0100223 ** |
| 14 | 53357 | 12E0100242 | 'Elisabeth Hobbie' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 7 | 12E0100242 ** |
| 15 | 53359 | 12E0100244 | 'Hachmann's Evelyn' | Rhododendron hybr. | Germany | | 7 | 12E0100244 ** |
| 16 | 53363 | 12E0100248 | 'Bad Eilsen' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 7 | 12E0100248 ** |
| 17 | 53368 | 12E0100253 | 'Julischka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100253 ** |
| 18 | 53375 | 12E0100260 | 'Maharani' | Rhododendron hybr. | Germany | | 7 | 12E0100260 ** |
| 19 | 53383 | 12E0100268 | 'Purple Splendour' | Rhododendron ponticum L. | United Kingdom | | 7 | 12E0100268 ** |
| 20 | 53387 | 12E0100272 | 'Hachmann's Rosarka' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 7 | 12E0100272 ** |
| 21 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 7 | 12E0100311 ** |
| 22 | 53437 | 12E0100322 | 'Sammetglut' | Rhododendron hybr. | Germany | | 7 | 12E0100322 ** |
| 23 | 53451 | 12E0100336 | 'Graefin Kirchbach' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 7 | 12E0100336 ** |
| 24 | 53453 | 12E0100338 | 'Odessa' | Rhododendron smirnowii Trautv. | unknown | | 7 | 12E0100338 ** |
| 25 | 53457 | 12E0100342 | 'Erato' | Rhododendron hybr. | Germany | | 7 | 12E0100342 ** |
| 26 | 53459 | 12E0100344 | 'Azurro' | Rhododendron hybr. | Germany | | 7 | 12E0100344 ** |
| 27 | 53463 | 12E0100348 | 'Polarnacht' | Rhododendron hybr. | Germany | | 7 | 12E0100348 ** |
| 28 | 53464 | 12E0100349 | 'Tamarindos' | Rhododendron hybr. | Germany | | 7 | 12E0100349 ** |
| 29 | 53465 | 12E0100350 | 'Balalaika' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Germany | | 7 | 12E0100350 ** |
| 30 | 53470 | 12E0100355 | 'Hachmann's Marlis' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100355 ** |
| 31 | 53488 | 12E0100373 | 'Kate Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 7 | 12E0100373 ** |
| 32 | 53495 | 12E0100380 | 'Nigrescens' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100380 ** |
| 33 | 53499 | 12E0100384 | 'Arthur Stevens' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100384 ** |
| 34 | 53506 | 12E0100391 | 'Blue Tit Magor' | Rhododendron impeditum Balf. f. & W. W. Sm. | United Kingdom | | 7 | 12E0100391 ** |
| 35 | 53509 | 12E0100394 | 'H. W. Sargent' | Rhododendron catawbiense Michx. | United Kingdom | | 7 | 12E0100394 ** |
| 36 | 53512 | 12E0100397 | 'Cynthia' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100397 ** |
| 37 | 53514 | 12E0100399 | 'Doctor Tjebbes' | Rhododendron hybr. | Netherlands | | 7 | 12E0100399 ** |
| 38 | 53518 | 12E0100403 | 'Saturnus' | Rhododendron hybr. | Netherlands | | 7 | 12E0100403 ** |
| 39 | 53523 | 12E0100408 | 'Francesca' | Rhododendron hybr. | United States | | 7 | 12E0100408 ** |
| 40 | 53549 | 12E0100434 | 'J. Jennings' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100434 ** |
| 41 | 53552 | 12E0100437 | 'Mrs John Penn' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100437 ** |
| 42 | 53580 | 12E0100465 | 'Torero' | Rhododendron hybr. | Germany | | 7 | 12E0100465 ** |
| 43 | 53601 | 12E0100486 | 'Goldtopas' | Rhododendron hybr. | Germany | | 7 | 12E0100486 ** |
| 44 | 53602 | 12E0100487 | 'Hachmann's Harlekin' | Rhododendron hybr. | Germany | | 7 | 12E0100487 ** |
| 45 | 53603 | 12E0100488 | 'Homebush' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100488 ** |
| 46 | 53605 | 12E0100490 | 'Klondyke' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100490 ** |
| 47 | 53609 | 12E0100494 | 'Azurika' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 7 | 12E0100494 ** |
| 48 | 53639 | 12E0100524 | 'Hachmann's Estrella' | Rhododendron hybr. | Germany | | 7 | 12E0100524 ** |
| 49 | 53652 | 12E0100538 | 'Goldflimmer' | Rhododendron hybr. | unknown | | 7 | 12E0100538 ** |
| 50 | 53665 | 12E0100551 | 'Zofie Podlipska' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 7 | 12E0100551 ** |
| 51 | 53669 | 12E0100555 | 'Henry's Red' | Rhododendron hybr. | Germany | | 7 | 12E0100555 ** |
| 52 | 53678 | 12E0100564 | 'Krumlov' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 7 | 12E0100564 ** |
| 53 | 53679 | 12E0100565 | 'Buchlovice' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 7 | 12E0100565 ** |
| 54 | 53684 | 12E0100603 | 'Doubrava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 7 | 12E0100603 ** |
| 55 | 53688 | 12E0100607 | 'Orlice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 7 | 12E0100607 ** |
| 56 | 53705 | 12E0100809 | 'Bilderdijk' | Rhododendron hybr. | Belgium | | 7 | 12E0100809 ** |
| 57 | 53709 | 12E0100813 | 'Germania' | Rhododendron hybr. | Germany | | 7 | 12E0100813 ** |
| 58 | 53714 | 12E0100818 | 'Monsieur Marcel Menard' | Rhododendron hybr. | France | | 7 | 12E0100818 ** |
| 59 | 53719 | 12E0100823 | 'Hachmann's Kabarett' | Rhododendron hybr. | Germany | | 7 | 12E0100823 ** |
| 60 | 53720 | 12E0100824 | 'Turkana' | Rhododendron hybr. | Germany | | 7 | 12E0100824 ** |
| 61 | 53728 | 12E0100832 | 'Moser's Maroon' | Rhododendron hybr. | France | | 7 | 12E0100832 ** |
| 62 | 53734 | 12E0100838 | 'Cervena Lhota' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 7 | 12E0100838 ** |
| 63 | 53744 | 12E0100848 | 'Bakkarat' | Rhododendron hybr. | Germany | | 7 | 12E0100848 ** |
| 64 | 53746 | 12E0100850 | 'Fuellhorn' | Rhododendron hybr. | Germany | | 7 | 12E0100850 ** |
| 65 | 53751 | 12E0100855 | 'Blue Boy' | Rhododendron hybr. | Washington, United States | | 7 | 12E0100855 ** |
| 66 | 53753 | 12E0100857 | 'Orlik' | Rhododendron hybr. | Czech Republic | | 7 | 12E0100857 ** |
| 67 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 7 | 12E0100862 ** |
| 68 | 53760 | 12E0100864 | 'Kacina' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 7 | 12E0100864 ** |
| 69 | 53764 | 12E0100868 | 'Golden Eagle' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100868 ** |
| 70 | 53770 | 12E0100874 | 'Ursula Siems' | Rhododendron forrestii Balf. f. ex Diels | Germany | | 7 | 12E0100874 ** |
| 71 | 53771 | 12E0100875 | 'Opocno' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 7 | 12E0100875 ** |
| 72 | 64798 | 12E0100880 | 'Kotnov' | Rhododendron hybr. | Czech Republic | | 7 | 12E0100880 ** |
| 73 | 64801 | 12E0100881 | 'Jezeri' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 7 | 12E0100881 ** |
| 74 | 65919 | 12E0100894 | 'Hachhans' | Rhododendron hybr. | Germany | | 7 | 12E0100894 ** |
| 75 | 68273 | 12E0100568 | 'Certoryje' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 7 | 12E0100568 ** |