R. 'Cornelia Sanders'Rhododendron HybridR. hyperythrum X R. degronianum ssp yakushimanumHybridized By: Sanders, S & C More information and pictures
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R. 'Cornelia Schröder'Rhododendron HybridR. 'Genoveva' X R. 'Hassan'Hybridized By: Seidel, T.J.H. More information and pictures
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R. 'Cornish Cross Group'Rhododendron Cultivar groupR. thomsonii ssp thomsonii X R. griffithianumHybridized By: Smith, S. More information and pictures
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R. 'Cornish Loderi'Rhododendron HybridR. fortunei ssp discolor X R. griffithianumHybridized By: Williams, John Charles |
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R. 'Cornish Loderi Group'Rhododendron Hybrid? X ? |
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R. 'Cornsutch Group'Rhododendron Cultivar group? X ? |
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R. 'Cornubia'Rhododendron HybridR. arboreum ssp arboreum X R. 'Shilsonii'Hybridized By: Fox, R.B. More information and pictures
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R. 'Cornubia Group'Rhododendron Cultivar groupR. arboreum ssp arboreum X R. 'Shilsonii Group'Hybridized By: Gill, Richards & Sons |
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R. 'Cornwallis'Rhododendron HybridR. fortunei ssp fortunei X ?Hybridized By: Kentville Research Station More information and pictures
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R. 'Coromandel'Rhododendron HybridR. 'Roberte' X R. 'Vanessa'Hybridized By: Sunningdale Nursery |
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R. 'Corona'Rhododendron Hybrid? X ?Hybridized By: Waterer (Bagshot) More information and pictures
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R. 'Corona x griersonianum'Rhododendron HybridR. 'Corona' X R. griersonianum |
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R. 'Coronation Day'Rhododendron HybridR. 'Pink Shell' X R. 'Loderi Group'Hybridized By: Crosfield, J. J. More information and pictures
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R. 'Coronation Day x Gargantua'Rhododendron HybridR. Coronation Day X R. decorum ssp diaprepesMore information and pictures 
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R. 'Coronation Lady'Azalea HybridR. 'Cecile' X ?Hybridized By: Waterer (Bagshot) |
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R. 'Coronis Group'Rhododendron Cultivar group? X ? |
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R. 'Coronis Group x griersonianum'Rhododendron Cultivar groupR. 'Coronis Group' X R. griersonianum |
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R. 'Corringe'Azalea Hybrid? X ?Hybridized By: Rothschild, L. de |
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R. 'Corry'Azalea HybridR. mucronatum var mucronatum X R. 'Heiwa'Hybridized By: Gartrell, R. D. More information and pictures
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R. 'Corry Koster'Rhododendron Hybrid? X ?Hybridized By: Koster M. & Sons More information and pictures
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R. 'Corry Koster x Mrs G.W. Leak'Rhododendron HybridR. 'Corry Koster' X R. 'Mrs G. W. Leak' |
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R. 'Cortez'Rhododendron HybridR. 'Mars x Koichiro Wada' X R. basilicumHybridized By: Cisney, M.E. |
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R. 'Cortonii'Rhododendron Hybrid? X ?Hybridized By: Leroy, A. |
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R. 'Coruscans'Azalea Hybrid? X ?Hybridized By: Jacob-Makoy, L. |
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R. 'Coruscum'Azalea Hybrid? X ?Hybridized By: van Geert, J. |
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R. coryanumSpecies
Subgenus:
Hymenanthes
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R. coryanum 'Chelsea Chimes'Rhododendron Species Selection |
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R. 'Corydon'Azalea HybridR. 'Yozakura' X R. 'Kagaribi'Hybridized By: Morrison, B.Y. |
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R. 'Cos'Rhododendron HybridR. decorum ssp decorum X R. 'Vanessa Group'Hybridized By: Sunningdale Nursery |
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R. 'Cosel'Rhododendron HybridR. catawbiense X ?Hybridized By: Seidel, T.J.R. |
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R. 'Cosima'Rhododendron HybridR. 'Everestianum' X R. 'Everestianum'Hybridized By: Seidel, T.J.R. |
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R. 'Cosmic Rays'Rhododendron HybridR. 'Purple Susy' X R. 'Ritchie'Hybridized By: Delp Weldon E. |
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R. 'Cosmopolitan'Rhododendron HybridR. 'Cunningham's White' X R. 'Vesuvius'Hybridized By: Hagen, J.C. More information and pictures
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R. 'Cosmopolitan'Rhododendron Hybrid? X ?Hybridized By: Waterer, A. More information and pictures
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R. 'Cosmopolitan x Scintillation'Rhododendron HybridR. 'Cosmopolitan' X R. 'Scintillation' |
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R. 'Costa del Sol'Rhododendron HybridR. campylocarpum ssp caloxanthum X R. lacteumHybridized By: Rothschild, Edmund Leopold de |
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R. 'Cote Group'Azalea HybridR. atlanticum X ?Hybridized By: Stevenson, J.B. More information and pictures
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R. 'Cotton Candy'Rhododendron HybridR. 'Loderi Venus' X R. 'Marinus Koster'Hybridized By: Henny & Wennekamp More information and pictures
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R. 'Cotton Candy x Van Nes Sensation'Rhododendron HybridR. 'Cotton Candy' X R. 'Van Nes Sensation' |
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R. 'Cotton Candy's Sister'Rhododendron Hybrid? X ?Hybridized By: Henny & Wennekamp More information and pictures
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R. 'Cotton Top'Azalea Hybrid? X ?Hybridized By: Guttormsen, W.L. |
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R. 'Cottontail'Azalea HybridR. 'Linda Jean' X R. 'Satanta'Hybridized By: Guttormsen, W.L. |
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R. 'Cougar'Rhododendron Hybrid? X ? |
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R. 'Couleur Nankin'Azalea Hybrid? X ?Hybridized By: Jacob-Makoy, L. |
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R. 'Counterpoint'Rhododendron HybridR. 'PJM Group' X R. 'Mucronulatum Pink' |
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R. 'Countess Morley'Rhododendron Hybrid? X ?Hybridized By: Pince, R.T. |
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R. 'Countess of Athlone'Rhododendron HybridR. Geoffroy Millais X R. catawbiense 'Catawbiense Grandiflorum'Hybridized By: van Nes C. B . & Sons More information and pictures
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