| 0 | 53116 | 12E0100001 | 'Alena' | Rhododendron decorum Franch. | Czechoslovakia | | 7 | 12E0100001 ** |
| 1 | 53118 | 12E0100003 | 'Aurora' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 7 | 12E0100003 ** |
| 2 | 53120 | 12E0100005 | 'Dagmar' | Rhododendron decorum Franch. | Czechoslovakia | | 7 | 12E0100005 ** |
| 3 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 7 | 12E0100006 ** |
| 4 | 53122 | 12E0100007 | 'Eva' | Rhododendron hybr. | Czechoslovakia | | 7 | 12E0100007 ** |
| 5 | 53123 | 12E0100008 | 'Humoreska' | Rhododendron hybr. | Czechoslovakia | | 7 | 12E0100008 ** |
| 6 | 53127 | 12E0100012 | 'Marka' | Rhododendron decorum Franch. | Czechoslovakia | | 7 | 12E0100012 ** |
| 7 | 53132 | 12E0100017 | 'Panenka' | Rhododendron decorum Franch. | Czechoslovakia | | 7 | 12E0100017 ** |
| 8 | 53133 | 12E0100018 | 'Petr' | Rhododendron hybr. | Czechoslovakia | | 7 | 12E0100018 ** |
| 9 | 53136 | 12E0100021 | 'Saba' | Rhododendron decorum Franch. | Czechoslovakia | | 7 | 12E0100021 ** |
| 10 | 53137 | 12E0100022 | 'Sputnik' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 7 | 12E0100022 ** |
| 11 | 53153 | 12E0100038 | 'Catawbiense Grandiflorum' | Rhododendron catawbiense Michx. | United Kingdom | | 7 | 12E0100038 ** |
| 12 | 53154 | 12E0100039 | 'Cunningham's White' | Rhododendron hybr. | United Kingdom | | 7 | 12E0100039 ** |
| 13 | 53182 | 12E0100067 | 'Madame Masson' | Rhododendron hybr. | France | | 7 | 12E0100067 ** |
| 14 | 53296 | 12E0100181 | 'Anilin' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100181 ** |
| 15 | 53298 | 12E0100183 | 'Bambola' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100183 ** |
| 16 | 53300 | 12E0100185 | 'Hachmann's Belona' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100185 ** |
| 17 | 53304 | 12E0100189 | 'Daniela' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100189 ** |
| 18 | 53323 | 12E0100208 | 'Nova Zembla' | Rhododendron catawbiense Michx. | Netherlands | | 7 | 12E0100208 ** |
| 19 | 53324 | 12E0100209 | 'Von Oheimb - Woislowitz' | Rhododendron catawbiense Michx. | Germany | | 7 | 12E0100209 ** |
| 20 | 53340 | 12E0100225 | 'Hachmann's Rosita' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100225 ** |
| 21 | 53346 | 12E0100231 | 'Simona' | Rhododendron hybr. | Germany | | 7 | 12E0100231 ** |
| 22 | 53372 | 12E0100257 | 'Vitalio' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 7 | 12E0100257 ** |
| 23 | 53377 | 12E0100262 | 'Obergaertner Robenek' | Rhododendron hybr. | Germany | | 7 | 12E0100262 ** |
| 24 | 53385 | 12E0100270 | 'Redwood' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 7 | 12E0100270 ** |
| 25 | 53386 | 12E0100271 | 'Rendezvous' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100271 ** |
| 26 | 53402 | 12E0100287 | 'Kluis Sensation' | Rhododendron griffithianum Wight | Netherlands | | 7 | 12E0100287 ** |
| 27 | 53422 | 12E0100307 | 'Scintillation' | Rhododendron fortunei Lindl. subsp. fortunei | United States | | 7 | 12E0100307 ** |
| 28 | 53426 | 12E0100311 | 'Rothenburg' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 7 | 12E0100311 ** |
| 29 | 53428 | 12E0100313 | 'Emden' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100313 ** |
| 30 | 53437 | 12E0100322 | 'Sammetglut' | Rhododendron hybr. | Germany | | 7 | 12E0100322 ** |
| 31 | 53471 | 12E0100356 | 'Nicoletta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 7 | 12E0100356 ** |
| 32 | 53508 | 12E0100393 | 'Buketta' | Rhododendron hybr. | Germany | | 7 | 12E0100393 ** |
| 33 | 53541 | 12E0100426 | 'Ken Janeck' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 7 | 12E0100426 ** |
| 34 | 53551 | 12E0100436 | 'Melidioso' | Rhododendron hybr. | Germany | | 7 | 12E0100436 ** |
| 35 | 53567 | 12E0100452 | 'Rosa Perle' | Rhododendron makinoi Tagg ex Nakai | Germany | | 7 | 12E0100452 ** |
| 36 | 53570 | 12E0100455 | 'Schlaraffia' | Rhododendron hybr. | unknown | | 7 | 12E0100455 ** |
| 37 | 53678 | 12E0100564 | 'Krumlov' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 7 | 12E0100564 ** |
| 38 | 53683 | 12E0100602 | 'Boubin' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 7 | 12E0100602 ** |
| 39 | 53692 | 12E0100611 | 'Vltava' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 7 | 12E0100611 ** |
| 40 | 53697 | 12E0100801 | 'Sychrov' | Rhododendron impeditum Balf. f. & W. W. Sm. | Czechoslovakia | | 7 | 12E0100801 ** |
| 41 | 53743 | 12E0100847 | 'Velka Morava' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 7 | 12E0100847 ** |
| 42 | 53773 | 12E0100877 | 'Sovinec' | Rhododendron hybr. | Czech Republic | | 7 | 12E0100877 ** |
| 43 | 53774 | 12E0100878 | 'Strekov' | Rhododendron hybr. | Czech Republic | | 7 | 12E0100878 ** |
| 44 | 65824 | 12E0100884 | 'Loreta' | Rhododendron wardii W. W. Sm. | Czech Republic | | 7 | 12E0100884 ** |