R. 'Rotgold x Amaretto'Rhododendron HybridR. 'Rotgold' X R. 'Amaretto' |
|
R. 'Rotha'Rhododendron Hybrid? X ? |
|
R. 'Rothenburg'Rhododendron HybridR. 'Diane' X R. williamsianumHybridized By: von Martin, V. More information and pictures
|
|
R. 'Rothschild Supreme'Azalea Hybrid? X ? |
|
R. rothschildiiSpecies
Subgenus:
Hymenanthes
|
|
R. 'Rotkäppchen'Rhododendron HybridR. 'Ruth Otte' X R. 'Hachmann's Feuerschein'Hybridized By: Hachmann, Hans More information and pictures
|
|
R. 'Rotraud'Rhododendron HybridR. clementinae X R. 'Erato'Hybridized By: Hachmann, Hans |
|
R. 'Rotstein'Azalea Hybrid? X ?Hybridized By: VEG Saatzucht Zierplanzen Erfurt More information and pictures
|
|
R. 'Rouge Group'Rhododendron Cultivar group? X ?Hybridized By: Rothschild, L. de |
|
R. 'Rougemont'Rhododendron Hybrid? X ? |
|
R. 'Rouseabout'Vireya HybridR. aurigeranum ssp aurigeranum X R. christianae |
|
|
|
|
R. 'Rover Group'Rhododendron Cultivar group? X ?Hybridized By: Aberconway, Lord |
|
R. 'Rowena'Rhododendron Hybrid? X ?Hybridized By: Ramsden, Sir John |
|
R. 'Rowena Knight'Vireya Hybrid? X ?Hybridized By: Oldham, B.E. |
|
R. 'Rowland P. Cary'Rhododendron HybridR. brachycarpum ssp brachycarpum X R. 'Van der Hoop'Hybridized By: Cary, E.A. |
|
R. roxieanum var cucullatumSpecies
Subgenus:
Hymenanthes
|
|
R. roxieanum var oreonastesSpecies
Subgenus:
Hymenanthes
|
|
R. roxieanum var parvumSpecies
Subgenus:
Hymenanthes
|
|
R. roxieanum var roxieanumSpecies
Subgenus:
Hymenanthes
|
|
|
|
|
R. 'Roy Blackmore'Rhododendron HybridR. 'Maverick' X R. 'Orchid Bouquet'Hybridized By: Barlup, Jim More information and pictures
|
|
R. 'Roy Hudson'Rhododendron HybridR. burmanicum X R. nuttalliiHybridized By: Kerrigan, Howard |
|
R. 'Roy Stockman'Rhododendron Hybrid? X ?Hybridized By: Stockman, M. |
|
R. 'Royal Beauty Group'Rhododendron HybridR. 'Lady Rosebery Group' X R. cinnabarinum ssp cinnabarinum Roylei GroupHybridized By: Digby, Lord More information and pictures
|
|
R. 'Royal Blood'Rhododendron HybridR. elliottii X R. 'Rubens'Hybridized By: Hanger, F.E.W. |
|
R. 'Royal Bouquet'Vireya HybridR. Doctor Hermann Sleumer X R. superbum ssp superbum |
|
|
|
R. 'Royal Flush Group'Rhododendron Cultivar groupR. cinnabarinum ssp cinnabarinum X R. maddenii ssp maddeniiHybridized By: Williams, John Charles |
|
R. 'Royal Fusilier'Rhododendron HybridR. arboreum ssp nilagiricum 'Noyo Chief' X R. elliottiiHybridized By: O'Rourke, H. |
|
R. 'Royal Gala'Vireya HybridR. aurigeranum ssp aurigeranum X R. Gardenia Odyssey |
|
|
|
R. 'Royal Lodge x Fireball'Azalea HybridR. 'Royal Lodge' X R. 'Fireball' |
|
R. 'Royal Mail'Rhododendron HybridR. 'Romany Chai Group' X R. 'Tally Ho Group'Hybridized By: Slocock, Walter C. |
|
R. 'Royal Pillow'Azalea Hybrid? X ? |
|
R. 'Royal Pink'Rhododendron HybridR. 'Homer I' X R. williamsianumHybridized By: Hobbie, Dietrich G. More information and pictures
|
|
|
|
R. 'Royal Ruffles'Rhododendron HybridR. Mrs A.T. de la Mare X R. Purple LaceHybridized By: Sanders, D. More information and pictures
|
|
R. 'Royal Treasure'Rhododendron HybridR. 'Kubla Khan' X R. 'Ayers Rock'Hybridized By: O'Rourke, H. |
|
R. 'Royal Windsor'Rhododendron HybridR. 'Jutland Group' X R. 'Royal Blood'Hybridized By: Crown Estate Commissioners |
|
R. 'Royalty Group'Rhododendron Cultivar group? X ?Hybridized By: Aberconway, Lord |
|
R. 'Royce Sproull'Azalea Hybrid? X ?Hybridized By: Cole, D.J. |
|
R. 'Roylei'Rhododendron Hybrid? X ?Hybridized By: Liebig, L.L. |
|
R. 'Royston Festival'Rhododendron Hybrid? X ?Hybridized By: Greig, E,J. & M. |
|
R. 'Royston Frost'Rhododendron Hybrid? X ?Hybridized By: Greig, E,J. & M. |
|
R. 'Royston Opaline'Rhododendron Hybrid? X ?Hybridized By: Greig, E,J. & M. |
|
|
|
R. 'Royston Radiance'Rhododendron Hybrid? X ?Hybridized By: Greig, E,J. & M. |
|
R. 'Royston Red'Rhododendron HybridR. forrestii Repens Group X R. thomsonii ssp thomsoniiHybridized By: Greig, E,J. & M. More information and pictures
|
|
R. 'Royston Regency'Rhododendron HybridR. auriculatum X R. 'Fabia Group'Hybridized By: Greig, E,J. & M. More information and pictures
|