Rhododendron Index

R. obtusum

Natural Hybrid

R. kiusianum var kiusianum x R. kaempferi

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R. occidentale

Species

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

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R. occidentale 'collectors nr. 2904'

Deciduous Azalea Species Selection

Selected By: Cavender, R.W.

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R. occidentale 'collectors nr. 3704'

Deciduous Azalea Species Selection

Selected By: Cavender, R.W.

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R. occidentale 'Crescent City Double'

Deciduous Azalea Species Selection

Selected By: Smith, B.M. & Mossman, F.D.

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R. occidentale 'Crescent City Gold'

Deciduous Azalea Species Selection

Selected By: Smith, B.M. & Mossman, F.D.

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R. occidentale 'Double Dig Twelve'

Deciduous Azalea Species Selection

Selected By: Smith, B.M. & Mossman, F.D.

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R. occidentale 'Humboldt Picotee'

Deciduous Azalea Species Selection

Selected By: Smith, B.M. & Mossman, F.D.

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R. occidentale 'Leonard Frisbie'

Deciduous Azalea Species Selection

Selected By: Mossman, F. D.

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R. occidentale 'Miniskirts'

Deciduous Azalea Species Selection

Selected By: Smith, B.M. & Mossman, F.D.

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R. occidentale 'Pistil Packin' Mama'

Deciduous Azalea Species Selection

Selected By: Slonecker, H.J.

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R. occidentale 'Pistil Pete'

Deciduous Azalea Species Selection

Selected By: Slonecker, H.J.

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R. occidentale 'Tatum's Deep Pink'

Deciduous Azalea Species Selection

Selected By: Tatum, T.

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R. occidentale 'Tatum's Yellow Standard'

Deciduous Azalea Species Selection

Selected By: Tatum, T.

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R. ochraceum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Maculifera

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R. oldhamii

Species

Subgenus: Tsutsusi
Section: Tsutsusi

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R. oligocarpum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Maculifera

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R. ombrochares

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

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R. orbiculare ssp cardiobasis

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

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R. orbiculare ssp orbiculare

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

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R. orbiculatum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

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R. oreodoxa var fargesii

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

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R. oreodoxa var fargesii 'Barto Rose'

Rhododendron Species Selection

Selected By: James Delbert W.

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R. oreodoxa var fargesii 'Rudy Berg'

Rhododendron Species Selection

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R. oreodoxa var oreodoxa

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

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R. oreotrephes

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Triflora

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R. oreotrephes 'Exquisetum'

Rhododendron Species Selection

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R. oreotrephes 'Pentland'

Rhododendron Species Selection

Selected By: Cox, Peter A.

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R. orthocladum var microleucum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Lapponica

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R. orthocladum var orthocladum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Lapponica

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R. ovatum

Species

Subgenus: Azaleastrum
Section: Azaleastrum

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