| 0 | 53177 | 12E0100062 | 'Abendrot' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 3 | 12E0100062 ** |
| 1 | 53349 | 12E0100234 | 'Scarlet Wonder' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 3 | 12E0100234 ** |
| 2 | 53444 | 12E0100329 | 'Doktor Ernst Schaele' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 3 | 12E0100329 ** |
| 3 | 53508 | 12E0100393 | 'Buketta' | Rhododendron hybr. | Germany | | 3 | 12E0100393 ** |
| 4 | 53609 | 12E0100494 | 'Azurika' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 3 | 12E0100494 ** |
| 5 | 53615 | 12E0100500 | 'Brunella' | Rhododendron hybr. | unknown | | 3 | 12E0100500 ** |
| 6 | 53620 | 12E0100505 | 'Canzonetta' | Rhododendron hybr. | unknown | | 3 | 12E0100505 ** |
| 7 | 53626 | 12E0100511 | 'Diamant Lachs' | Rhododendron kiusianum Makino | Germany | | 3 | 12E0100511 ** |
| 8 | 53627 | 12E0100512 | 'Diamant Purpur' | Rhododendron kiusianum Makino | Germany | | 3 | 12E0100512 ** |
| 9 | 53628 | 12E0100513 | 'Diamant Rosa' | Rhododendron kiusianum Makino | Germany | | 3 | 12E0100513 ** |
| 10 | 53634 | 12E0100519 | 'Koenigstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 3 | 12E0100519 ** |
| 11 | 53635 | 12E0100520 | 'Lilienstein' | Rhododendron kiusianum Makino | *German Democratic Republic | | 3 | 12E0100520 ** |
| 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 | 53679 | 12E0100565 | 'Buchlovice' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 3 | 12E0100565 ** |
| 16 | 53687 | 12E0100606 | 'Morava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100606 ** |
| 17 | 53691 | 12E0100610 | 'Sazava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 3 | 12E0100610 ** |
| 18 | 53696 | 12E0100703 | 'Ma vlast' | Rhododendron forrestii Balf. f. ex Diels | Czechoslovakia | | 3 | 12E0100703 ** |
| 19 | 53697 | 12E0100801 | 'Sychrov' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 3 | 12E0100801 ** |
| 20 | 53737 | 12E0100841 | 'Lednice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100841 ** |
| 21 | 53745 | 12E0100849 | 'Veltrusy' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100849 ** |
| 22 | 53747 | 12E0100851 | 'Vizovice' | Rhododendron kiusianum Makino | Czech Republic | | 3 | 12E0100851 ** |
| 23 | 53771 | 12E0100875 | 'Opocno' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 3 | 12E0100875 ** |