R. maximum 'Great Laurel'Rhododendron Species Selection |
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R. maximum 'Harkness'Rhododendron Species Selection |
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R. maximum 'Little's Enchanting Shells'Rhododendron Species SelectionSelected By: Little, P.L. |
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R. maximum 'Marginatum'Rhododendron Species SelectionSelected By: Leroy, A. |
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R. maximum 'Mount Mitchell'Rhododendron Species Selection |
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R. maximum 'Nassau Red'Rhododendron Species Selection |
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R. maximum 'Rosebay'Rhododendron Species Selection |
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R. maximum 'Summertime'Rhododendron Species SelectionSelected By: Crown Estate Commissioners More information and pictures |
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R. maximum var albumSpecies |
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R. 'maximum x calophytum'Rhododendron HybridR. maximum X R. calophytum var calophytumHybridized By: Kehr, A.E. More information and pictures |
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R. 'maximum x catawbiense'Rhododendron HybridR. maximum X R. catawbiense |
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R. 'maximum x fortunei'Rhododendron HybridR. maximum X R. fortunei ssp fortunei |
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R. 'maximum x Goldsworth Orange'Rhododendron HybridR. maximum X R. 'Goldsworth Orange' |
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R. 'maximum x Goldsworth Orange X America x Gertrud Schäle Group'Rhododendron HybridR. 'maximum x Goldsworth Orange' X R. 'America x Gertrud Schäle Group' |
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R. 'maximum x haematodes'Rhododendron HybridR. maximum X R. haematodes ssp haematodes |
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R. 'maximum x Honeymoon'Rhododendron HybridR. maximum X R. 'Honeymoon' |
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R. 'maximum x ponticum'Rhododendron HybridR. maximum X R. ponticum |
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R. 'maximum x thomsonii'Rhododendron HybridR. maximum X R. thomsonii ssp thomsonii |
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R. 'maximum x thomsonii X fortunei x haematodes'Rhododendron HybridR. 'maximum x thomsonii' X R. fortunei ssp fortunei 'fortunei x haematodes' |
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R. 'maximum x vernicosum'Rhododendron HybridR. maximum X R. vernicosum |
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R. 'maximum x yakushimanum'Rhododendron HybridR. maximum X R. degronianum ssp yakushimanum |
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R. 'maximum x yakushimanum X Adele's Yellow'Rhododendron HybridR. 'maximum x yakushimanum' X R. 'Adele's Yellow' |
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R. 'Maxine Childers'Rhododendron HybridR. strigillosum X R. 'Elizabeth Group'Hybridized By: Childers, A.A & M. More information and pictures |
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R. 'Maxwellii'Azalea Hybrid? X ? |
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R. 'Maxwellii x Snow'Azalea HybridR. 'Maxwellii' X R. 'Snow' |
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R. 'May Day'Rhododendron HybridR. haematodes ssp haematodes X R. griersonianumHybridized By: Williams, A.M. More information and pictures |
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R. 'May Day Group'Rhododendron Cultivar groupR. haematodes ssp haematodes X R. griersonianumHybridized By: Williams, A.M. |
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R. 'May Moonlight'Rhododendron Hybrid? X ?Hybridized By: Wister, J.C. More information and pictures |
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R. 'May Morn'Rhododendron HybridR. 'May Day Group' X R. beanianumHybridized By: Aberconway, Lord |
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R. 'May Morn x proteoides'Rhododendron HybridR. May Morn X R. proteoidesMore information and pictures |
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R. 'May Queen Group'Rhododendron Cultivar group? X ? |
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R. 'May Song'Rhododendron HybridR. 'Bow Bells' X R. 'Day Dream'Hybridized By: Grace, G.D. |
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R. 'May Young'Azalea HybridR. nakaharae X R. 'Rosebud'Hybridized By: Griswold, G. |
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R. 'Mayaro'Azalea HybridR. 'Washington State Centennial' X R. 'Raimunde x Twilight Sky'Hybridized By: Hübbers, K-H. |
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R. 'Mayo'Azalea HybridR. 'Washington State Centennial' X R. 'Arouca'Hybridized By: Hübbers, K-H. |
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R. 'Mazais Jefiņš'Azalea HybridR. kosterianum X R. prinophyllumHybridized By: Kondratovičs, Rihard |
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R. 'Mazurka'Azalea Hybrid? X ?Hybridized By: Waterer, H. (Knaphill) More information and pictures |
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R. 'Mcnabii'Rhododendron Hybrid? X ? |
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R. 'Mead'Rhododendron HybridR. 'Sunspray' X R. 'Lem's Cameo'Hybridized By: Olson, J. |
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R. 'Meadowbrook'Rhododendron HybridR. 'Mrs Charles S Sargent' X R. 'Everestianum'Hybridized By: Vossberg, P.D. |
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R. 'Meadowgold'Rhododendron HybridR. burmanicum X R. 'Lemon Mist'Hybridized By: Scott, R.W. More information and pictures |
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R. meddianum var atrokermesinumSpecies
Subgenus:
Hymenanthes
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R. meddianum var meddianumSpecies
Subgenus:
Hymenanthes
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R. 'Medea Group'Rhododendron Cultivar groupR. 'Red Admiral Group' X R. sutchuenenseHybridized By: Magor, E.J.P. More information and pictures |
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R. medoense var adenostylumSpecies |