| 0 | 53177 | 12E0100062 | 'Abendrot' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 9 | 12E0100062 ** |
| 1 | 53214 | 12E0100099 | 'Baden Baden' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 9 | 12E0100099 ** |
| 2 | 53306 | 12E0100191 | 'Fantastica' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100191 ** |
| 3 | 53311 | 12E0100196 | 'Jacksonii' | Rhododendron caucasicum Pall. | unknown | | 9 | 12E0100196 ** |
| 4 | 53345 | 12E0100230 | 'Silberwolke' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100230 ** |
| 5 | 53349 | 12E0100234 | 'Scarlet Wonder' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 9 | 12E0100234 ** |
| 6 | 53351 | 12E0100236 | 'Tatjana' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100236 ** |
| 7 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100259 ** |
| 8 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100313 ** |
| 9 | 53444 | 12E0100329 | 'Doktor Ernst Schaele' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 9 | 12E0100329 ** |
| 10 | 53451 | 12E0100336 | 'Graefin Kirchbach' | Rhododendron forrestii Balf. f. ex Diels subsp. forrestii | Germany | | 9 | 12E0100336 ** |
| 11 | 53452 | 12E0100337 | 'Ovation' | Rhododendron haematodes Franch. | United Kingdom | | 9 | 12E0100337 ** |
| 12 | 53461 | 12E0100346 | 'Marietta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100346 ** |
| 13 | 53471 | 12E0100356 | 'Nicoletta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100356 ** |
| 14 | 53482 | 12E0100367 | 'Festivo' | Rhododendron wardii W. W. Sm. | Germany | | 9 | 12E0100367 ** |
| 15 | 53507 | 12E0100392 | 'Bluebird' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100392 ** |
| 16 | 53511 | 12E0100396 | 'Curlew' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100396 ** |
| 17 | 53517 | 12E0100402 | 'Edelweiss' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 9 | 12E0100402 ** |
| 18 | 53542 | 12E0100427 | 'Kings Ride' | Rhododendron hybr. | United Kingdom | | 9 | 12E0100427 ** |
| 19 | 53550 | 12E0100435 | 'Silber' | Rhododendron makinoi Tagg ex Nakai | Germany | | 9 | 12E0100435 ** |
| 20 | 53556 | 12E0100441 | 'Nofretete' | Rhododendron insigne Hemsl. & E. H. Wilson | United Kingdom | | 9 | 12E0100441 ** |
| 21 | 53570 | 12E0100455 | 'Schlaraffia' | Rhododendron hybr. | unknown | | 9 | 12E0100455 ** |
| 22 | 53573 | 12E0100458 | 'Silver Lady' | Rhododendron hybr. | Germany | | 9 | 12E0100458 ** |
| 23 | 53627 | 12E0100512 | 'Diamant Purpur' | Rhododendron kiusianum Makino | Germany | | 9 | 12E0100512 ** |
| 24 | 53638 | 12E0100523 | 'Wildenstein' | Rhododendron kiusianum Makino | unknown | | 9 | 12E0100523 ** |
| 25 | 53639 | 12E0100524 | 'Hachmann's Estrella' | Rhododendron hybr. | Germany | | 9 | 12E0100524 ** |
| 26 | 53645 | 12E0100531 | 'Satschiko' | Rhododendron hybr. | Germany | | 9 | 12E0100531 ** |
| 27 | 53660 | 12E0100546 | 'Hinodegiri' | Rhododendron hybr. | Japan | | 9 | 12E0100546 ** |
| 28 | 53676 | 12E0100562 | 'Ramapo' | Rhododendron minus Michx. var. minus | unknown | | 9 | 12E0100562 ** |
| 29 | 53679 | 12E0100565 | 'Buchlovice' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 9 | 12E0100565 ** |
| 30 | 53681 | 12E0100567 | 'Signalgluehen' | Rhododendron hybr. | Germany | | 9 | 12E0100567 ** |
| 31 | 53740 | 12E0100844 | 'Mala Skala' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 9 | 12E0100844 ** |
| 32 | 53747 | 12E0100851 | 'Vizovice' | Rhododendron kiusianum Makino | Czech Republic | | 9 | 12E0100851 ** |
| 33 | 53770 | 12E0100874 | 'Ursula Siems' | Rhododendron forrestii Balf. f. ex Diels | Germany | | 9 | 12E0100874 ** |
| 34 | 66597 | 12E0100895 | 'Rotkaeppchen' | Rhododendron hybr. | Germany | | 9 | 12E0100895 ** |