| 0 | 53131 | 12E0100016 | 'Motyl' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100016 ** |
| 1 | 53138 | 12E0100023 | 'Vilem Heckel' | Rhododendron hybr. | Czechoslovakia | | 5 | 12E0100023 ** |
| 2 | 53143 | 12E0100028 | 'America' | Rhododendron hybr. | Netherlands | | 5 | 12E0100028 ** |
| 3 | 53150 | 12E0100035 | 'Caractacus' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100035 ** |
| 4 | 53157 | 12E0100042 | 'Edward S. Rand' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100042 ** |
| 5 | 53162 | 12E0100047 | 'General Grant' | Rhododendron catawbiense Michx. | United States | | 5 | 12E0100047 ** |
| 6 | 53174 | 12E0100059 | 'Kokardia' | Rhododendron hybr. | Germany | | 5 | 12E0100059 ** |
| 7 | 53239 | 12E0100124 | 'Madame Linden' | Rhododendron hybr. | Germany | | 5 | 12E0100124 ** |
| 8 | 53242 | 12E0100127 | 'Duke of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 5 | 12E0100127 ** |
| 9 | 53246 | 12E0100131 | 'Emma' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100131 ** |
| 10 | 53299 | 12E0100184 | 'Barmstedt' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100184 ** |
| 11 | 53316 | 12E0100201 | 'Leopardii' | Rhododendron arboreum Sm. | United Kingdom | | 5 | 12E0100201 ** |
| 12 | 53318 | 12E0100203 | 'Lumina' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100203 ** |
| 13 | 53326 | 12E0100211 | 'Oudijk's Sensation' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100211 ** |
| 14 | 53329 | 12E0100214 | 'Polar Star' | Rhododendron smirnowii Trautv. | Netherlands | | 5 | 12E0100214 ** |
| 15 | 53351 | 12E0100236 | 'Tatjana' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100236 ** |
| 16 | 53365 | 12E0100250 | 'Bibber' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100250 ** |
| 17 | 53368 | 12E0100253 | 'Julischka' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100253 ** |
| 18 | 53431 | 12E0100316 | 'Cornelia Schroeder' | Rhododendron hybr. | Germany | | 5 | 12E0100316 ** |
| 19 | 53457 | 12E0100342 | 'Erato' | Rhododendron hybr. | Germany | | 5 | 12E0100342 ** |
| 20 | 53529 | 12E0100414 | 'Herkules' | Rhododendron campanulatum D. Don | Germany | | 5 | 12E0100414 ** |
| 21 | 53580 | 12E0100465 | 'Torero' | Rhododendron hybr. | Germany | | 5 | 12E0100465 ** |
| 22 | 53609 | 12E0100494 | 'Azurika' | Rhododendron impeditum Balf. f. & W. W. Sm. | unknown | | 5 | 12E0100494 ** |
| 23 | 53620 | 12E0100505 | 'Canzonetta' | Rhododendron hybr. | unknown | | 5 | 12E0100505 ** |
| 24 | 53671 | 12E0100557 | 'Silberglanz' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100557 ** |
| 25 | 53686 | 12E0100605 | 'Labe' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100605 ** |
| 26 | 53688 | 12E0100607 | 'Orlice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100607 ** |
| 27 | 53725 | 12E0100829 | 'Holstein' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100829 ** |
| 28 | 53738 | 12E0100842 | 'Lenora' | Rhododendron ferrugineum L. | Czech Republic | | 5 | 12E0100842 ** |
| 29 | 53752 | 12E0100856 | 'Krivoklat' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100856 ** |
| 30 | 53755 | 12E0100859 | 'Kokorin' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100859 ** |
| 31 | 53766 | 12E0100870 | 'Christian' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100870 ** |
| 32 | 68273 | 12E0100568 | 'Certoryje' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100568 ** |