Index

R. 'Rhodsoc' Rhododendron Hybrid ? X ? Hybridized By: Delp Weldon E. More information
R. 'Rhodstar' Rhododendron Hybrid ? X ? Hybridized By: Trautmann, C. More information
R. 'Rhodunter 10' Rhododendron Hybrid ? X ? Hybridized By: Preil, W. & Ebbinghaus, R. More information
R. 'Rhodunter 48' Rhododendron Hybrid R. fortunei ssp fortunei X R. 'Cunningham's White' Hybridized By: Preil, W. & Ebbinghaus, R. More information and pictures
R. 'Rhodworks' Rhododendron Hybrid ? X ? Hybridized By: Delp Weldon E. More information
R. 'Rhody Gus' Rhododendron Hybrid ? X ? Hybridized By: Cowles, J.C. More information and pictures
R. 'Rhody Romance' Rhododendron Hybrid ? X ? Hybridized By: Delp Weldon E. More information
R. rhombicum var albiflorum Species More information
R. rhombifolium Species Subgenus: Rhododendron Section: Rhododendron Subsection: Maddenia More information
R. 'Rhonda' Rhododendron Hybrid R. 'Marion' X R. 'Coronation Day' Hybridized By: Boulter, V.J. More information
R. rhuyuenense Species Subgenus: Tsutsusi Section: Tsutsusi More information
R. 'Rhys' Rhododendron Hybrid R. 'Apricot Ice' X R. 'Apricot Gold' Hybridized By: Van de Ven K. More information
R. 'Ria Hardijzer' Azaleodendron Hybrid R. racemosum X R. 'Hinodegiri' More information
R. 'Ribble' Azalea Hybrid ? X ? Hybridized By: Hanger, F.E.W. More information
R. 'Ribbon Candy' Azalea Hybrid R. viscosum X R. arborescens Hybridized By: Mezitt, E.V. More information and pictures
R. 'Ribera' Azalea Hybrid ? X ? Hybridized By: Smet-Duvivier. L. de More information and pictures
R. 'Ricarda' Rhododendron Hybrid R. 'Hachmann's Diadem' X R. 'Holger' Hybridized By: Hachmann, Hans More information and pictures
R. 'Rich Amber' Vireya Hybrid R. laetum x zoelleri X R. zoelleri x leucogigas More information
R. 'Rich Mine' Rhododendron Hybrid ? X ? Hybridized By: Tolstead, W.L. More information
R. 'Richard Bosley' Rhododendron Hybrid ? X ? Hybridized By: Dexter, C.O. More information and pictures
R. 'Richard Cree' Rhododendron Hybrid R. 'Etta Burrows' X R. 'yakushimanun-hybrid x barbatum' Hybridized By: Watson, E.M. Mrs. (Elsie) More information and pictures
R. 'Richard Gill' Rhododendron Hybrid R. fortunei ssp fortunei X R. thomsonii ssp thomsonii Hybridized By: Gill, Richards & Sons More information
R. 'Richard Gregory' Rhododendron Hybrid R. auriculatum X R. kyawii Hybridized By: Gregory, R.M. More information
R. 'Richard Holman' Azalea Hybrid ? X ? Hybridized By: Pride, O.S. More information
R. 'Richard Marques' Vireya Hybrid R. zoelleri x leucogigas X R. laetum More information
R. 'Richard Montgomery 1956' Azalea Hybrid R. 'Rosette' X R. 'Mania' Hybridized By: Clagett, W.L. (Buck) More information and pictures
R. 'Richard Strauss' Rhododendron Hybrid ? X ? Hybridized By: Koster M. & Sons More information
R. 'Richardii' Azalea Hybrid ? X ? Hybridized By: Verschaffelt, A. (Alexander) More information
R. 'Richardissimum' Azalea Hybrid ? X ? Hybridized By: Sunningdale Nursery More information and pictures
R. 'Richie' Azalea Hybrid ? X ? Hybridized By: Gartrell, R. D. More information
R. 'Rickshaw' Rhododendron Hybrid ? X ? Hybridized By: Rothschild, L. de More information
R. 'Rickshaw Group' Rhododendron Cultivar group ? X ? Hybridized By: Rothschild, L. de More information
R. 'Ridgewood Salmon' Rhododendron Hybrid ? X ? Hybridized By: Nearing, G.G. More information
R. 'Rigense' Azalea Hybrid ? X ? Hybridized By: Kondratovičs, Rihard More information and pictures
R. 'Rigging Slinger' Rhododendron Hybrid R. 'Virginia Scott x Alice Franklin' X R. degronianum ssp yakushimanum Hybridized By: Larson, H.L. More information and pictures
R. rigidum Species Subgenus: Rhododendron Section: Rhododendron Subsection: Triflora More information and pictures
*R. rigidum* 'Album' Rhododendron Species Selection Selected By:** UK, No hybridizer registered More information
*R. rigidum* 'Louvecienne'** Rhododendron Species Selection More information
R. 'Rik' Rhododendron Hybrid ? X ? Hybridized By: Yavorsky, L. More information
R. 'Rim Fire' Azalea Hybrid R. 'Louise Gable x Ward's Ruby' X R. 'James Gable' Hybridized By: Guttormsen, W.L. More information and pictures
R. 'Rimini' Rhododendron Hybrid R. dichroanthum ssp apodectum X R. fortunei ssp discolor Hybridized By: Rothschild, L. de More information
R. 'Rimpo' Azalea Hybrid ? X ? Hybridized By: Wada, K. More information
R. 'Rimshot' Rhododendron Hybrid ? X ? More information and pictures
R. 'Rinaldo' Rhododendron Hybrid R. 'Mrs Milner' X R. smirnowii Hybridized By: Seidel, T.J.R. More information
R. 'Ring of Fire' Rhododendron Hybrid R. 'Darigold' X R. 'Idealist' Hybridized By: Thompson’s Nursery More information and pictures
R. 'Ring of Fire x Lem's Cameo' Rhododendron Hybrid R. 'Ring of Fire' X R. 'Lem's Cameo' More information
R. 'Ring One' Azalea Hybrid ? X ? Hybridized By: Ring, G.W. More information
R. 'Ring's Early Splendor' Rhododendron Hybrid R. hyperythrum X R. catawbiense 'Catalgla' Hybridized By: Ring, T.L. More information and pictures
R. 'Ring's Monarch' Rhododendron Hybrid R. 'Graf Zeppelin' X R. 'Newburyport Belle' Hybridized By: Ring, T.L. More information and pictures
R. 'Ring's Orchido' Azalea Hybrid ? X ? Hybridized By: Ring, G.W. More information

Index

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R. 'Rhodsoc'

Rhododendron Hybrid

? X ?

R. 'Rhodstar'

Rhododendron Hybrid

? X ?

R. 'Rhodunter 10'

Rhododendron Hybrid

? X ?

R. 'Rhodunter 48'

Rhododendron Hybrid

R. fortunei ssp fortunei X R. 'Cunningham's White'

R. 'Rhodworks'

Rhododendron Hybrid

? X ?

R. 'Rhody Gus'

Rhododendron Hybrid

? X ?

R. 'Rhody Romance'

Rhododendron Hybrid

? X ?

R. rhombicum var albiflorum

Species

R. rhombifolium

Species

R. 'Rhonda'

Rhododendron Hybrid

R. 'Marion' X R. 'Coronation Day'

R. rhuyuenense

Species

R. 'Rhys'

Rhododendron Hybrid

R. 'Apricot Ice' X R. 'Apricot Gold'

R. 'Ria Hardijzer'

Azaleodendron Hybrid

R. racemosum X R. 'Hinodegiri'

R. 'Ribble'

Azalea Hybrid

? X ?

R. 'Ribbon Candy'

Azalea Hybrid

R. viscosum X R. arborescens

R. 'Ribera'

Azalea Hybrid

? X ?

R. 'Ricarda'

Rhododendron Hybrid

R. 'Hachmann's Diadem' X R. 'Holger'

R. 'Rich Amber'

Vireya Hybrid

R. laetum x zoelleri X R. zoelleri x leucogigas

R. 'Rich Mine'

Rhododendron Hybrid

? X ?

R. 'Richard Bosley'

Rhododendron Hybrid

? X ?

R. 'Richard Cree'

Rhododendron Hybrid

R. 'Etta Burrows' X R. 'yakushimanun-hybrid x barbatum'

R. 'Richard Gill'

Rhododendron Hybrid

R. fortunei ssp fortunei X R. thomsonii ssp thomsonii

R. 'Richard Gregory'

Rhododendron Hybrid

R. auriculatum X R. kyawii

R. 'Richard Holman'

Azalea Hybrid

? X ?

R. 'Richard Marques'

Vireya Hybrid

R. zoelleri x leucogigas X R. laetum

R. 'Richard Montgomery 1956'

Azalea Hybrid

R. 'Rosette' X R. 'Mania'

**R. rigidum 'Album'**

**R. rigidum 'Louvecienne'**