| 0 | 53116 | 12E0100001 | 'Alena' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100001 ** |
| 1 | 53117 | 12E0100002 | 'Antonin Dvorak' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 5 | 12E0100002 ** |
| 2 | 53118 | 12E0100003 | 'Aurora' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 5 | 12E0100003 ** |
| 3 | 53121 | 12E0100006 | 'Don Juan' | Rhododendron hybr. | Czechoslovakia | | 5 | 12E0100006 ** |
| 4 | 53122 | 12E0100007 | 'Eva' | Rhododendron hybr. | Czechoslovakia | | 5 | 12E0100007 ** |
| 5 | 53123 | 12E0100008 | 'Humoreska' | Rhododendron hybr. | Czechoslovakia | | 5 | 12E0100008 ** |
| 6 | 53125 | 12E0100010 | 'Lajka' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 5 | 12E0100010 ** |
| 7 | 53126 | 12E0100011 | 'Lunik' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 5 | 12E0100011 ** |
| 8 | 53127 | 12E0100012 | 'Marka' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100012 ** |
| 9 | 53128 | 12E0100013 | 'Milan' | Rhododendron hybr. | Czechoslovakia | | 5 | 12E0100013 ** |
| 10 | 53131 | 12E0100016 | 'Motyl' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100016 ** |
| 11 | 53136 | 12E0100021 | 'Saba' | Rhododendron decorum Franch. | Czechoslovakia | | 5 | 12E0100021 ** |
| 12 | 53137 | 12E0100022 | 'Sputnik' | Rhododendron smirnowii Trautv. | Czechoslovakia | | 5 | 12E0100022 ** |
| 13 | 53155 | 12E0100040 | 'Violetta' | Rhododendron decorum Franch. | Czech Republic | | 5 | 12E0100040 ** |
| 14 | 53156 | 12E0100041 | 'Doctor H. C. Dresselhuys' | Rhododendron hybr. | Netherlands | | 5 | 12E0100041 ** |
| 15 | 53161 | 12E0100046 | 'Furnivall's Daughter' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100046 ** |
| 16 | 53163 | 12E0100048 | 'Genoveva' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100048 ** |
| 17 | 53166 | 12E0100051 | 'Gomer Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100051 ** |
| 18 | 53179 | 12E0100064 | 'Lavender Girl' | Rhododendron fortunei Lindl. subsp. fortunei | United Kingdom | | 5 | 12E0100064 ** |
| 19 | 53181 | 12E0100066 | 'Leopold' | Rhododendron catawbiense Michx. | Germany | | 5 | 12E0100066 ** |
| 20 | 53194 | 12E0100079 | 'Quapp' | Rhododendron hybr. | Germany | | 5 | 12E0100079 ** |
| 21 | 53218 | 12E0100103 | 'Madame Jules Porges' | Rhododendron hybr. | France | | 5 | 12E0100103 ** |
| 22 | 53219 | 12E0100104 | 'Blue Ensign' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100104 ** |
| 23 | 53229 | 12E0100114 | 'Darius' | Rhododendron smirnowii Trautv. | Germany | | 5 | 12E0100114 ** |
| 24 | 53241 | 12E0100126 | 'Duchess of York' | Rhododendron fortunei Lindl. subsp. fortunei | unknown | | 5 | 12E0100126 ** |
| 25 | 53252 | 12E0100137 | 'Mount Everest' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100137 ** |
| 26 | 53262 | 12E0100147 | 'Giganteum' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100147 ** |
| 27 | 53315 | 12E0100200 | 'Lamentosa' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100200 ** |
| 28 | 53316 | 12E0100201 | 'Leopardii' | Rhododendron arboreum Sm. | United Kingdom | | 5 | 12E0100201 ** |
| 29 | 53323 | 12E0100208 | 'Nova Zembla' | Rhododendron catawbiense Michx. | Netherlands | | 5 | 12E0100208 ** |
| 30 | 53330 | 12E0100215 | 'Hachmann's Porzellan' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100215 ** |
| 31 | 53340 | 12E0100225 | 'Hachmann's Rosita' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100225 ** |
| 32 | 53352 | 12E0100237 | 'Van Weerden Poelman' | Rhododendron hybr. | Netherlands | | 5 | 12E0100237 ** |
| 33 | 53354 | 12E0100239 | 'Blueshine Girl' | Rhododendron wardii W. W. Sm. | Germany | | 5 | 12E0100239 ** |
| 34 | 53369 | 12E0100254 | 'Hachmann's Junifeuer' | Rhododendron hybr. | Germany | | 5 | 12E0100254 ** |
| 35 | 53377 | 12E0100262 | 'Obergaertner Robenek' | Rhododendron hybr. | Germany | | 5 | 12E0100262 ** |
| 36 | 53383 | 12E0100268 | 'Purple Splendour' | Rhododendron ponticum L. | United Kingdom | | 5 | 12E0100268 ** |
| 37 | 53392 | 12E0100277 | 'Stadt Essen' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 5 | 12E0100277 ** |
| 38 | 53395 | 12E0100280 | 'Vorwerk Abendsonne' | Rhododendron hybr. | Germany | | 5 | 12E0100280 ** |
| 39 | 53399 | 12E0100284 | 'Anna Robenek' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | Germany | | 5 | 12E0100284 ** |
| 40 | 53402 | 12E0100287 | 'Kluis Sensation' | Rhododendron griffithianum Wight | Netherlands | | 5 | 12E0100287 ** |
| 41 | 53419 | 12E0100304 | 'Old Port' | Rhododendron catawbiense Michx. | United Kingdom | | 5 | 12E0100304 ** |
| 42 | 53433 | 12E0100318 | 'Hurricane' | Rhododendron hybr. | United States | | 5 | 12E0100318 ** |
| 43 | 53458 | 12E0100343 | 'Belkanto' | Rhododendron hybr. | Germany | | 5 | 12E0100343 ** |
| 44 | 53459 | 12E0100344 | 'Azurro' | Rhododendron hybr. | Germany | | 5 | 12E0100344 ** |
| 45 | 53469 | 12E0100354 | 'Hachmann's Diadem' | Rhododendron hybr. | Germany | | 5 | 12E0100354 ** |
| 46 | 53478 | 12E0100363 | 'Clivia' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100363 ** |
| 47 | 53481 | 12E0100366 | 'Eggert Rohwer' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 5 | 12E0100366 ** |
| 48 | 53512 | 12E0100397 | 'Cynthia' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100397 ** |
| 49 | 53514 | 12E0100399 | 'Doctor Tjebbes' | Rhododendron hybr. | Netherlands | | 5 | 12E0100399 ** |
| 50 | 53526 | 12E0100411 | 'Gina Lollobrigida' | Rhododendron hybr. | Netherlands | | 5 | 12E0100411 ** |
| 51 | 53527 | 12E0100412 | 'Hachmann's Charmant' | Rhododendron hybr. | Germany | | 5 | 12E0100412 ** |
| 52 | 53529 | 12E0100414 | 'Herkules' | Rhododendron campanulatum D. Don | Germany | | 5 | 12E0100414 ** |
| 53 | 53538 | 12E0100423 | 'Janet Blair' | Rhododendron hybr. | United States | | 5 | 12E0100423 ** |
| 54 | 53549 | 12E0100434 | 'J. Jennings' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100434 ** |
| 55 | 53566 | 12E0100451 | 'Roland' | Rhododendron hybr. | United Kingdom | | 5 | 12E0100451 ** |
| 56 | 53574 | 12E0100459 | 'Sneezy' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 5 | 12E0100459 ** |
| 57 | 53598 | 12E0100483 | 'Golden Flare' | Rhododendron hybr. | Netherlands | | 5 | 12E0100483 ** |
| 58 | 53610 | 12E0100495 | 'Azurwolke' | Rhododendron hybr. | unknown | | 5 | 12E0100495 ** |
| 59 | 53669 | 12E0100555 | 'Henry's Red' | Rhododendron hybr. | Germany | | 5 | 12E0100555 ** |
| 60 | 53685 | 12E0100604 | 'Profesor Jersov' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 5 | 12E0100604 ** |
| 61 | 53698 | 12E0100802 | 'Olin O. Dobbs' | Rhododendron hybr. | Oregon, United States | | 5 | 12E0100802 ** |
| 62 | 53714 | 12E0100818 | 'Monsieur Marcel Menard' | Rhododendron hybr. | France | | 5 | 12E0100818 ** |
| 63 | 53715 | 12E0100819 | 'Viscy' | Rhododendron hybr. | Germany | | 5 | 12E0100819 ** |
| 64 | 53727 | 12E0100831 | 'Goeteborg' | Rhododendron smirnowii Trautv. | Sweden | | 5 | 12E0100831 ** |
| 65 | 53730 | 12E0100834 | 'Hachmann's Feuerschein' | Rhododendron hybr. | Germany | | 5 | 12E0100834 ** |
| 66 | 53734 | 12E0100838 | 'Cervena Lhota' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100838 ** |
| 67 | 53735 | 12E0100839 | 'Kuks' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100839 ** |
| 68 | 53739 | 12E0100843 | 'Loket' | Rhododendron strigillosum Franch. | Czech Republic | | 5 | 12E0100843 ** |
| 69 | 53749 | 12E0100853 | 'Pruhonice' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 5 | 12E0100853 ** |
| 70 | 53752 | 12E0100856 | 'Krivoklat' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100856 ** |
| 71 | 53757 | 12E0100861 | 'Karlstejn' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100861 ** |
| 72 | 53758 | 12E0100862 | 'Becov' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100862 ** |
| 73 | 53763 | 12E0100867 | 'Belladona' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100867 ** |
| 74 | 65600 | 12E0100882 | 'Klenova' | Rhododendron hybr. | Czech Republic | | 5 | 12E0100882 ** |