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R. 'Stokes Bronze Wings'Rhododendron HybridR. maximum X R. catawbienseHybridized By: Stokes, W.E., 1943 |
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R. 'maximum x catawbiense'Rhododendron HybridR. maximum X R. catawbienseHybridized By: No hybridiser registered |
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R. 'Maxecat'Rhododendron HybridR. maximum X R. catawbienseHybridized By: Gable, J.B.. Stewartstown, Pennsylvania, USA, 1945 More information and pictures |
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R. 'Mrs Sam'Rhododendron HybridR. catawbiense X R. maximumHybridized By: Unknown More information and pictures |
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R. 'Jean Leppo'Rhododendron HybridR. catawbiense X R. maximumHybridized By: Smith, W.D.. Spring Grove, Pennsylvania, USA, 1969 |
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R. 'aureum x maximum'Rhododendron HybridR. aureum var aureum X R. maximumHybridized By: No hybridiser registered |
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R. 'Whizette'Rhododendron HybridR. 'Princess Elizabeth' X R. maximumHybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1992 |
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R. 'Ignescens'Rhododendron HybridR. arboreum ssp arboreum X R. maximumHybridized By: Rogers, W.H. & Son, 1932 |
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R. 'Hypermax'Rhododendron HybridR. hyperythrum X R. maximumHybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1999 More information and pictures |
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R. 'Ghost'Rhododendron HybridR. 'maximum x yakushimanum' X R. maximumHybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1974 |
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R. 'Edith Pride'Rhododendron HybridR. 'English Roseum' X R. maximumHybridized By: Pride, O.S.. Butler, Pennsylvania, USA, 1958 More information and pictures |
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R. 'Golly Gee'Rhododendron HybridR. 'Donna Hardgrove' X R. maximumHybridized By: Ring, T.L.. Bellaire, Ohio, USA, 1977 |
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R. 'Seven Up'Rhododendron HybridR. aureum var aureum X R. maximumHybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1995 |
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R. 'yakushimanum x maximum'Rhododendron HybridR. degronianum ssp yakushimanum X R. maximumHybridized By: No hybridiser registered |
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R. 'Dona Maria'Rhododendron HybridR. ponticum X R. maximumHybridized By: de Clerck d'Olsene, 1855 |
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R. 'Powerhouse'Rhododendron HybridR. 'America x Doctor V.H. Rutgers' X R. maximumHybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1974 More information and pictures |
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R. 'Ponticum Roseum'Rhododendron HybridR. ponticum X R. maximumHybridized By: Pride, O.S.. Butler, Pennsylvania, USA, 1958 More information and pictures |
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R. 'Delp's Snowball'Rhododendron HybridR. aureum var aureum X R. maximumHybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1995 |
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R. 'Halopeanum'Azalea HybridR. griffithianum X R. maximumHybridized By: Halopé, F, 1896 More information and pictures |
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R. 'Hybridum Group'Azaleodendron HybridR. viscosum X R. maximumHybridized By: Herbert, Honourable & Reverend W. | Wetherby, Yorkshire | England, 1817 |
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R. 'ponticum x maximum'Azaleodendron HybridR. ponticum X R. maximumHybridized By: No hybridiser registered |
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R. 'Alexander Adie'Rhododendron HybridR. arboreum ssp arboreum X R. catawbienseHybridized By: Waterer (Bagshot). Surrey, England, 1865 |
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R. 'Hermann Nitzschner'Rhododendron HybridR. brachycarpum ssp brachycarpum X R. catawbienseHybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1918 More information and pictures |
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R. 'Hassan'Rhododendron HybridR. 'Carl Mette' X R. catawbienseHybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1906 |
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R. 'Party Pink'Rhododendron HybridR. 'Mrs Furnivall' X R. catawbienseHybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1973 More information and pictures |
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R. 'Paul R. Bosley'Rhododendron Hybrid? X R. catawbienseHybridized By: Bosley, P.R.. Bosley Nursery Co., Mentor, Ohio, USA, 1960 More information and pictures |
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R. 'George Hardy'Rhododendron HybridR. griffithianum X R. catawbienseHybridized By: Mangles James Henry. Valewood, England, 1884 More information and pictures |
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R. 'Goody Goody'Rhododendron HybridR. smirnowii X R. catawbienseHybridized By: Michener, M.W., 1965 More information and pictures |
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R. 'Pauline Bralit'Rhododendron HybridR. fortunei ssp fortunei X R. catawbienseHybridized By: Mezitt, E.V.. Weston Nurseries, Hopkinton, Massachusetts, USA, 1958 More information and pictures |
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R. 'Antoon van Welie'Rhododendron HybridR. 'Pink Pearl' X R. catawbienseHybridized By: Endtz, L.J. & Co. Boskoop, Netherlands, 1947 More information and pictures |
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R. 'Syonense Group'Rhododendron Cultivar groupR. Sir Charles Lemon X R. catawbienseHybridized By: Iveson, 1849 |
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R. 'Cyprus'Rhododendron HybridR. 'Mrs Furnivall' X R. catawbienseHybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1953 More information and pictures |
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R. 'King Tut'Rhododendron HybridR. 'smirnowii x America' X R. catawbienseHybridized By: Shammarello, A.M. Euclid, Ohio, USA, 1943 More information and pictures |
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R. 'Campy'Rhododendron HybridR. campylocarpum ssp campylocarpum X R. catawbienseHybridized By: Shammarello, A.M. Euclid, Ohio, USA, 1953 |
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R. 'Hero'Rhododendron HybridR. 'Gloria Ganavensis' X R. catawbienseHybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1906 More information and pictures |
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R. 'Tuscany'Rhododendron HybridR. 'Mrs Furnivall' X R. catawbienseHybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1953 More information and pictures |
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R. 'Elie'Rhododendron HybridR. 'Cunningham's White' X R. catawbienseHybridized By: Shammarello, A.M. Euclid, Ohio, USA, 1955 More information and pictures |
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R. 'Leopold'Rhododendron HybridR. 'Mira' X R. catawbienseHybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1909 |
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R. 'Anah Kruschke'Rhododendron HybridR. ponticum X R. catawbienseHybridized By: Kruschke, F. Nursery. Clackamas, Oregon, USA, 1948 More information and pictures |
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R. 'Kettledrum'Rhododendron Hybrid? X R. catawbienseHybridized By: Unknown |
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R. 'Vesuvius'Rhododendron HybridR. arboreum ssp arboreum X R. catawbienseHybridized By: Waterer (Bagshot). Surrey, England, 1850 |
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R. 'Mars x catawbiense'Rhododendron HybridR. 'Mars' X R. catawbienseHybridized By: No hybridiser registered |
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R. 'fortunei x catawbiense'Rhododendron HybridR. fortunei ssp fortunei X R. catawbienseHybridized By: No hybridiser registered |
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R. 'Cheer'Rhododendron HybridR. 'Cunningham's White' X R. catawbienseHybridized By: Shammarello, A.M. Euclid, Ohio, USA, 1955 More information and pictures |
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R. 'Persia'Rhododendron HybridR. 'Mrs Furnivall' X R. catawbienseHybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1953 |
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R. 'Tols'Rhododendron HybridR. degronianum ssp yakushimanum X R. catawbienseHybridized By: Tolstead, W.L.. Davis and Elkins College, Elkins, WV, USA, 1985 |
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R. 'Lilian'Rhododendron HybridR. griffithianum X R. catawbienseHybridized By: Mangles James Henry. Valewood, England, 1884 |
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R. 'Edith'Rhododendron HybridR. fortunei ssp discolor X R. catawbienseHybridized By: Slocock, Walter C.. Goldsworth Nursery, Woking, UK, 1931 |
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R. 'brachycarpum x catawbiense'Rhododendron HybridR. brachycarpum ssp brachycarpum X R. catawbienseHybridized By: No hybridiser registered |
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R. 'Zanna'Rhododendron HybridR. dichroanthum ssp dichroanthum X R. catawbienseHybridized By: Haworth-Booth, M.. Farall Nurseries, Surrey, England, 1958 |
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R. 'smirnowii x catawbiense'Rhododendron HybridR. smirnowii X R. catawbienseHybridized By: No hybridiser registered |
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