R. 'Howard Kuhn'Rhododendron HybridR. degronianum ssp degronianum X R. 'Siouxon x sanguineum ssp sanguineum var haemaleum'Hybridized By: Kuhn, H.. Muttontown, New York, USA, 1986 More information and pictures |
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R. 'Tholasma'Rhododendron HybridR. degronianum ssp yakushimanum 'Exbury Yakushimanum' X R. lanatumHybridized By: Kuhn, H.. Muttontown, New York, USA, 1992 More information and pictures |