Rhododendron Index

R. reticulatum var albiflorum

Species

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R. reticulatum var bifolium

Species

R. retivenium

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Retreat Group'

Rhododendron Cultivar group

? x ?

Hybridized By: Rothschild, L. de

R. 'Retrich'

Deciduous Azalea Hybrid

R. reticulatum x R. weyrichii

Hybridized By: Ingram, C.

R. retrorsipilum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. retusum var retusum

Species

Subgenus: Rhododendron
Section: Discovireya

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R. retusum var trichostylum

Species

Subgenus: Rhododendron
Section: Discovireya

R. 'Ręve Rose'

Rhododendron Hybrid

? x ?

Hybridized By: Brandt, Lester E.

R. 'Revell's Red'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'Reverend Paul'

Rhododendron Hybrid

R. 'Point Defiance' x R. 'Countess of Derby'

Hybridized By: Vinson, B.

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R. 'Reverie Group'

Rhododendron Cultivar group

? x ?

Hybridized By: Rothschild, L. de

R. 'Reversi'

Rhododendron Hybrid

? x ?

Hybridized By: Lady Loder

R. 'Revery'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Morrison, B.Y.

R. revolutum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Reward'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Morrison, B.Y.

R. 'Rex'

Evergreen Azalea Hybrid

R. 'Hinomayo' x R. 'Kirin'

Hybridized By: Van Hecke, A.

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R. 'Rex'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Germany

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R. 'rex x Desert Gold'

Rhododendron Hybrid

R. rex ssp rex x R. 'Desert Gold'

R. 'rex x Desert Gold X Goldprinz'

Rhododendron Hybrid

R. 'rex x Desert Gold' x R. 'Goldprinz'

Hybridized By: Rasmussen, Mogens

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R. 'rex x smirnowii'

Rhododendron Hybrid

R. rex ssp rex x R. smirnowii

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R. rex ssp fictolacteum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Falconera

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R. rex ssp fictolacteum 'Cherry Tip'

Rhododendron Species Selection

R. rex ssp fictolacteum 'Harold Jordan'

Rhododendron Species Selection

Selected By: Jordan, H

R. rex ssp fictolacteum var miniforme

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Falconera

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R. rex ssp gratum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Falconera

R. rex ssp rex

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Falconera

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R. rex ssp rex 'Nicholas Vaartnou'

Rhododendron Species Selection

Selected By: Vaartnou, H.

R. rex ssp rex 'Quartz'

Rhododendron Species Selection

Selected By: Crown Estate Commissioners

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R. rex ssp rex 'Roseum'

Rhododendron Species Selection

R. rex ssp rex 'Tue Jorgenson'

Rhododendron Species Selection

R. rex ssp rex 'Ward's Rex'

Rhododendron Species Selection

R. 'Rexima'

Rhododendron Hybrid

? x ?

Hybridized By: Robeneck, H.

R. reynosoi

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Rheingold'

Rhododendron Hybrid

? x ?

Hybridized By: Guyens, H.J.A.

R. 'Rhein's Legacy'

Rhododendron Hybrid

? x ?

Hybridized By: Rhein, W.L.

R. 'Rhein's Luna'

Rhododendron Hybrid

R. minus Carolinianum Group x R. 'Russautinii Group'

Hybridized By: Rhein, W.L.

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R. 'Rhein's Picotee'

Rhododendron Hybrid

R. 'Sappho' x R. 'Janet Blair'

Hybridized By: Rhein, W.L.

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R. rhodanthum

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. 'Rhode Island Yellow'

Rhododendron Hybrid

? x ?

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R. 'Rhodelin'

Evergreen Azalea Hybrid

? x ?

R. 'Rhodelite'

Rhododendron Hybrid

? x ?

Hybridized By: Delp Weldon E.

R. 'Rhodochrosite'

Rhododendron Hybrid

? x ?

Hybridized By: Stockman, M.

R. rhodochroum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. rhodoleucum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

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R. rhodopus

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

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R. rhodora f albiflora

Species

R. rhodosalpinx

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. rhodostomum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Rhodsoc'

Rhododendron Hybrid

? x ?

Hybridized By: Delp Weldon E.