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R. 'Albert de Mezey'Rhododendron HybridR. williamsianum X ?Hybridized By: Vaartnou, H., 1975 |
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R. 'Adrastia Group'Rhododendron Cultivar groupR. williamsianum X R. neriiflorum ssp neriiflorumHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1946 More information and pictures |
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R. 'Kimberly'Rhododendron HybridR. williamsianum X R. fortunei ssp fortuneiHybridized By: Greer, Harold E.. Eugene, Oregon, USA, 1963 More information and pictures |
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R. 'Maureen'Rhododendron HybridR. williamsianum X R. 'Lem's Goal'Hybridized By: Lem Halfdan. Seattle, Washington, USA, 1973 More information and pictures |
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R. 'Honingen'Rhododendron HybridR. williamsianum X R. oreodoxa var oreodoxaHybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1965 |
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R. 'Grayswood Pink'Rhododendron HybridR. williamsianum X R. venatorHybridized By: Dowry, G. H., 1949 |
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R. 'Osmar'Rhododendron HybridR. williamsianum X ?Hybridized By: UK, No hybridizer registered, 1965 More information and pictures |
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R. 'Arthur J. Ivens'Rhododendron HybridR. williamsianum X R. fortunei ssp discolorHybridized By: Ivens, 1932 More information and pictures |
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R. 'Nosutchianum'Rhododendron HybridR. williamsianum X ?Hybridized By: Lem Halfdan. Seattle, Washington, USA, 1956 More information and pictures |
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R. 'Arab'Rhododendron HybridR. williamsianum X R. sperabile var sperabileHybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1933 |
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R. 'White Pippin'Rhododendron HybridR. williamsianum X R. 'Olympic Lady Group'Hybridized By: Larson, H.L.. Tacoma, Washington, USA, 1954 More information and pictures |
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R. 'Whisperingrose'Rhododendron HybridR. williamsianum X R. 'Elizabeth Group'Hybridized By: Greer, Harold E.. Eugene, Oregon, USA, 1982 |
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R. 'Cowslip'Rhododendron HybridR. williamsianum X R. wardii var wardiiHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1930 More information and pictures |
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R. 'James Barto'Rhododendron HybridR. williamsianum X R. orbiculare ssp orbiculareHybridized By: Barto, James. Eugene, Oregon, USA, 1958 More information and pictures |
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R. 'Ed Hillary'Rhododendron HybridR. williamsianum X R. grandeHybridized By: Campbell, B.W.. Ravensbourne, Dunedin, New Zealand, 1980 |
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R. 'Ruth Tracy'Rhododendron HybridR. williamsianum X R. 'Vera Elliott'Hybridized By: Elliott, W., 1980 |
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R. 'Colina'Rhododendron HybridR. williamsianum X R. Sir Charles LemonHybridized By: Goheen. Dr. David. Camas, Washington, USA, 1963 |
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R. 'Mary de Mezey'Rhododendron HybridR. williamsianum X R. wardii var wardiiHybridized By: Mezey de, A., 1975 |
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R. 'Earlybird'Rhododendron HybridR. williamsianum X R. oreodoxa var fargesiiHybridized By: Henny, Rudolph. Brooks, Oregon, USA, 1959 |
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R. 'Dainty Jean'Rhododendron HybridR. williamsianum X R. 'Helene Schiffner'Hybridized By: The Bovees Nursery, 1962 |
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R. 'Moerheim's Pink'Rhododendron HybridR. williamsianum X R. 'Genoveva'Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1945 |
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R. 'Mission Bells'Rhododendron HybridR. williamsianum X R. orbiculare ssp orbiculareHybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1940 More information and pictures |
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R. 'Brickdust'Rhododendron HybridR. williamsianum X R. 'Dido Group'Hybridized By: Henny, Rudolph. Brooks, Oregon, USA, 1960 More information and pictures |
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R. 'Görlitz'Rhododendron HybridR. williamsianum X R. 'Rinaldo'Hybridized By: von Martin, V.. Rothenburg/Oberlausitz, Germany, 1964 |
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R. 'Easter Bells'Rhododendron HybridR. williamsianum X R. 'China Group'Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1966 |
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R. 'Ingre Group'Rhododendron Cultivar groupR. griersonianum X R. insigneHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1927 |
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R. 'Karkov'Rhododendron HybridR. griersonianum X R. 'Red Admiral Group'Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1943 |
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R. 'Grierosplendour Group'Rhododendron Cultivar groupR. griersonianum X R. 'Purple Splendour'Hybridized By: Loder, G.H., 1937 More information and pictures |
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R. 'Oleanda'Rhododendron HybridR. griersonianum X R. 'Doncaster'Hybridized By: Haworth-Booth, M.. Farall Nurseries, Surrey, England, 1967 |
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R. 'Van'Rhododendron HybridR. griersonianum X R. 'Countess of Derby'Hybridized By: Whitney, William E.. Brinnon, Washington, USA, 1930 More information and pictures |
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R. 'James Deans'Rhododendron HybridR. griersonianum X R. grandeHybridized By: Jury, L.E.. New Plymouth, New Zealand, 1957 |
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R. 'Azrie Group'Rhododendron Cultivar groupR. griersonianum X R. decorum ssp diaprepesHybridized By: Stevenson, J.B.. Ascot, Berkshire, England, 1927 More information and pictures |
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R. 'Sarita Loder Group'Rhododendron Cultivar groupR. griersonianum X R. 'Loderi Group'Hybridized By: Loder, G.H., 1934 |
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R. 'Matador'Rhododendron HybridR. griersonianum X R. strigillosumHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1931 More information and pictures |
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R. 'Grierdal Group'Rhododendron Cultivar groupR. griersonianum X R. dalhousiae var dalhousiaeHybridized By: Heneage-Vivian, A.W., 1937 |
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R. 'Amor'Rhododendron HybridR. griersonianum X R. thayerianumHybridized By: Stevenson, J.B.. Ascot, Berkshire, England, 1927 More information and pictures |
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R. 'Sarita Loder'Rhododendron HybridR. griersonianum X R. 'Loderi Group'Hybridized By: Loder, G.H., 1934 More information and pictures |
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R. 'Vulcan's Flame'Rhododendron HybridR. griersonianum X R. 'Mars'Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1958 More information and pictures |
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R. 'Springbok'Rhododendron HybridR. griersonianum X R. ponticumHybridized By: George A.F.. Hydon Nursery, Godalming, Surrey, England, 1963 |
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R. 'Radium Group'Rhododendron Cultivar groupR. griersonianum X R. 'Earl of Athlone'Hybridized By: Crosfield, J. J.. Embley Park, Romsey, Hampshire, UK, 1936 More information and pictures |
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R. 'Glowing Ember'Rhododendron HybridR. griersonianum X R. forrestii Repens GroupHybridized By: Sunningdale Nursery, 1946 |
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R. 'Rapture Group'Rhododendron HybridR. griersonianum X R. arboreum ssp zeylanicumHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1927 |
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R. 'Seemly'Rhododendron HybridR. griersonianum X R. fortunei ssp discolorHybridized By: Horlick, Sir James. Isle of Gigha, Scotland, 1930 |
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R. 'Amaura Group'Rhododendron Cultivar groupR. griersonianum X R. 'Penjerrick Group'Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1926 |
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R. 'Taffy'Rhododendron HybridR. griersonianum X ?Hybridized By: Horlick, Sir James. Isle of Gigha, Scotland, 1929 |
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R. 'Janus Group'Rhododendron Cultivar groupR. griersonianum X R. 'Venus Group'Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1934 |
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R. 'Van Veen'Rhododendron HybridR. griersonianum X R. 'Pygmalion'Hybridized By: van Veen, T. (includes Sr. & Junior). Portland, Oregon, USA, 1952 |
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R. 'Aladdin'Rhododendron HybridR. griersonianum X R. auriculatumHybridized By: Crosfield, J. J.. Embley Park, Romsey, Hampshire, UK, 1930 More information and pictures |
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R. 'Vestris Group'Rhododendron Cultivar groupR. griersonianum X R. orbiculare ssp orbiculareHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1929 |
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R. 'Lucky Strike'Rhododendron HybridR. griersonianum X R. 'Countess of Derby'Hybridized By: van Veen, T. (includes Sr. & Junior). Portland, Oregon, USA, 1958 |
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R. 'East Knoyle'Rhododendron HybridR. griersonianum X R. 'Loderi Group'Hybridized By: Horlick, Sir James. Isle of Gigha, Scotland, 1930 |
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