Index

R. 'April Song' Rhododendron Hybrid ? X ? Hybridized By: Mezitt, E.V. More information
R. 'April Sunset' Rhododendron Hybrid R. 'Apricot Nectar x Lem's Cameo' X R. 'Lem's Cameo' Hybridized By: Weeks, C. More information
R. 'April White' Rhododendron Hybrid ? X ? Hybridized By: Mehlquist, G.A.L More information and pictures
R. 'April Yellow' Azalea Hybrid R. Sunbeam X R. 'HM-1' Hybridized By: Aromi, E.J More information
R. 'Aprilleuchten Group' Rhododendron Hybrid R. 'Soulkew Group' X R. degronianum ssp degronianum 'Metternianum' Hybridized By: H. Robenek & D.G.Hobbie More information and pictures
R. 'Aprilmorgen' Rhododendron Hybrid R. degronianum ssp yakushimanum X R. adenogynum Hybridized By: Hachmann, Hans More information
R. 'Apritan' Rhododendron Hybrid ? X ? Hybridized By: Dexter, C.O. More information and pictures
R. 'Apritan x Seattle Gold' Rhododendron Hybrid R. 'Apritan' X R. 'Seattle Gold' More information
R. 'Aquamarin' Rhododendron Hybrid R. 'Lauretta' X R. 'Crater Lake' Hybridized By: Hachmann, Hans More information and pictures
R. 'Aquarell' Azalea Hybrid ? X ? Hybridized By: Bacher, J.G. More information and pictures
R. 'Arab' Rhododendron Hybrid R. williamsianum X R. sperabile var sperabile Hybridized By: Rothschild, L. de More information
R. 'Arabella' Rhododendron Hybrid R. degronianum ssp yakushimanum 'Koichiro Wada' X R. 'Kluis Sensation' Hybridized By: Sagemüller, W. More information and pictures
R. 'Arabesk' Azalea Hybrid ? X ? Hybridized By: Vuyk van Nes More information and pictures
R. araiophyllum Species Subgenus: Hymenanthes Section: Pontica Subsection: Irrorata More information and pictures
*R. araiophyllum* 'George Taylor'** Rhododendron Species Selection More information
R. araiophyllum ssp lapidosum Species Subgenus: Hymenanthes Section: Pontica Subsection: Irrorata More information
R. 'Aratama' Azalea Hybrid ? X ? More information and pictures
R. 'Aravir' Vireya Hybrid R. konori var konori X R. 'Nancy Miller Adler' Hybridized By: Sullivan, P. More information and pictures
R. 'Arbad Group' Rhododendron Cultivar group ? X ? More information
R. 'Arbking Group' Rhododendron Cultivar group ? X ? Hybridized By: Magor, E.J.P. More information
R. arborescens Species Subgenus: Pentanthera Section: Pentanthera Subsection: Pentanthera More information and pictures
*R. arborescens* 'Ailsa' Azalea Species Selection Selected By:** Adams-Acton, G.M More information
*R. arborescens* 'Dee Dee' Azalea Species Selection Selected By:** Carlson's Gardens More information
*R. arborescens* 'Deed I Do'** Azalea Species Selection More information
*R. arborescens* 'Little's Early Light Pink' Azalea Species Selection Selected By:** Little, P.L. More information
*R. arborescens* 'Pink Smokey' Azalea Species Selection Selected By:** Pride, O.S. More information
*R. arborescens* 'Running Arborescens'** Azalea Species Selection More information
R. arborescens var richardsonii Species More information
R. arboreum f album Species Subgenus: Hymenanthes Section: Pontica Subsection: Arborea More information
*R. arboreum* Kingianum Group Species Subgenus:** Hymenanthes Section: Pontica Subsection: Arborea More information and pictures
R. arboreum ssp arboreum Species Subgenus: Hymenanthes Section: Pontica Subsection: Arborea More information and pictures
*R. arboreum* ssp arboreum 'Alan Campbell-Johnson' Rhododendron Species Selection Selected By:** Thornton, R.E. More information
*R. arboreum* ssp arboreum 'Blood Red'** Rhododendron Species Selection More information and pictures
*R. arboreum* ssp arboreum 'Doctor Bowman' Rhododendron Species Selection Selected By:** Tuomala, C. More information and pictures
*R. arboreum* ssp arboreum 'Dr. Bowan'** Rhododendron Species Selection More information
*R. arboreum* ssp arboreum 'Goat Fell'** Rhododendron Species Selection More information
*R. arboreum* ssp arboreum 'Henry Shilson'** Rhododendron Species Selection More information
*R. arboreum* ssp arboreum 'Holder Hall'** Rhododendron Species Selection More information
*R. arboreum* ssp arboreum 'John Skrentny'** Rhododendron Species Selection More information
*R. arboreum* ssp arboreum 'Lambdenii' Rhododendron Species Selection Selected By:** Knight & Perry More information
*R. arboreum* ssp arboreum 'Riviera Beauty'** Rhododendron Species Selection More information
*R. arboreum* ssp arboreum 'Rubaiyat' Rhododendron Species Selection Selected By:** Rothschild, Edmund Leopold de More information and pictures
R. arboreum ssp cinnamomeum Species Subgenus: Hymenanthes Section: Pontica Subsection: Arborea More information and pictures
*R. arboreum* ssp cinnamomeum 'Bodnant Pink'** Rhododendron Species Selection More information
*R. arboreum* ssp cinnamomeum 'Fernhill'** Rhododendron Species Selection More information
*R. arboreum* ssp cinnamomeum 'Queen of Bhutan' Rhododendron Species Selection Selected By:** Goheen. Dr. David More information
*R. arboreum* ssp cinnamomeum 'Rosenoble'** Rhododendron Species Selection More information
*R. arboreum* ssp cinnamomeum 'Roseum'** Rhododendron Species Selection More information
*R. arboreum* ssp cinnamomeum 'Tony Schilling'** Rhododendron Species Selection More information and pictures
R. arboreum ssp cinnamomeum var cinnamomeum Species Subgenus: Hymenanthes Section: Pontica Subsection: Arborea More information and pictures

Index

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R. 'April Song'

Rhododendron Hybrid

? X ?

R. 'April Sunset'

Rhododendron Hybrid

R. 'Apricot Nectar x Lem's Cameo' X R. 'Lem's Cameo'

R. 'April White'

Rhododendron Hybrid

? X ?

R. 'April Yellow'

Azalea Hybrid

R. Sunbeam X R. 'HM-1'

R. 'Aprilleuchten Group'

Rhododendron Hybrid

R. 'Soulkew Group' X R. degronianum ssp degronianum 'Metternianum'

R. 'Aprilmorgen'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. adenogynum

R. 'Apritan'

Rhododendron Hybrid

? X ?

R. 'Apritan x Seattle Gold'

Rhododendron Hybrid

R. 'Apritan' X R. 'Seattle Gold'

R. 'Aquamarin'

Rhododendron Hybrid

R. 'Lauretta' X R. 'Crater Lake'

R. 'Aquarell'

Azalea Hybrid

? X ?

R. 'Arab'

Rhododendron Hybrid

R. williamsianum X R. sperabile var sperabile

R. 'Arabella'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Koichiro Wada' X R. 'Kluis Sensation'

R. 'Arabesk'

Azalea Hybrid

? X ?

R. araiophyllum

Species

R. araiophyllum 'George Taylor'

Rhododendron Species Selection

R. araiophyllum ssp lapidosum

Species

R. 'Aratama'

Azalea Hybrid

? X ?

R. 'Aravir'

Vireya Hybrid

R. konori var konori X R. 'Nancy Miller Adler'

R. 'Arbad Group'

Rhododendron Cultivar group

? X ?

R. 'Arbking Group'

Rhododendron Cultivar group

? X ?

R. arborescens

Species

R. arborescens 'Ailsa'

Azalea Species Selection

R. arborescens 'Dee Dee'

Azalea Species Selection

R. arborescens 'Deed I Do'

Azalea Species Selection

R. arborescens 'Little's Early Light Pink'

Azalea Species Selection

R. arborescens 'Pink Smokey'

Azalea Species Selection

R. arborescens 'Running Arborescens'

Azalea Species Selection

R. arborescens var richardsonii

Species

R. arboreum f album

Species

**R. araiophyllum 'George Taylor'**

**R. arborescens 'Ailsa'**

**R. arborescens 'Dee Dee'**

**R. arborescens 'Deed I Do'**

**R. arborescens 'Little's Early Light Pink'**

**R. arborescens 'Pink Smokey'**

**R. arborescens 'Running Arborescens'**

**R. arboreum Kingianum Group**

**R. arboreum ssp arboreum 'Alan Campbell-Johnson'**

**R. arboreum ssp arboreum 'Blood Red'**

**R. arboreum ssp arboreum 'Doctor Bowman'**

**R. arboreum ssp arboreum 'Dr. Bowan'**

**R. arboreum ssp arboreum 'Goat Fell'**

**R. arboreum ssp arboreum 'Henry Shilson'**

**R. arboreum ssp arboreum 'Holder Hall'**

**R. arboreum ssp arboreum 'John Skrentny'**

**R. arboreum ssp arboreum 'Lambdenii'**

**R. arboreum ssp arboreum 'Riviera Beauty'**

**R. arboreum ssp arboreum 'Rubaiyat'**

**R. arboreum ssp cinnamomeum 'Bodnant Pink'**

**R. arboreum ssp cinnamomeum 'Fernhill'**

**R. arboreum ssp cinnamomeum 'Queen of Bhutan'**

**R. arboreum ssp cinnamomeum 'Rosenoble'**

**R. arboreum ssp cinnamomeum 'Roseum'**

**R. arboreum ssp cinnamomeum 'Tony Schilling'**