Planten in de familie: Rhododendron ( Rododendron)
- Rhododendron 'Goldschatz'
- Rhododendron 'Abendglut'
- Rhododendron 'Abendrot'
- Rhododendron 'Abendsonne'
- Rhododendron 'Adriaan Koster'
- Rhododendron 'Aksel Olsen'
- Rhododendron 'Aladdin'
- Rhododendron 'Albert Schweitzer'
- Rhododendron 'Album Elegans'
- Rhododendron 'Album Novum'
- Rhododendron 'Alfred'
- Rhododendron 'Alice Street'
- Rhododendron 'Alison Johnstone'
- Rhododendron 'Allah'
- Rhododendron 'Alma Tadema'
- Rhododendron 'Aloha'
- Rhododendron 'Amaretto'
- Rhododendron 'Ambassador'
- Rhododendron 'America'
- Rhododendron 'Ammerland'
- Rhododendron 'Anah Kruschke'
- Rhododendron 'Anastasia'
- Rhododendron 'Andre'
- Rhododendron 'Angelo'
- Rhododendron 'Anilin'
- Rhododendron 'Ann Lindsay'
- Rhododendron 'Anna Baldsiefen'
- Rhododendron 'Anna Rose Whitney'
- Rhododendron 'Annedore'
- Rhododendron 'Antje'
- Rhododendron 'Anton van Welie'
- Rhododendron 'Anuschka'
- Rhododendron 'Apfelbluete'
- Rhododendron 'Appassionata'
- Rhododendron 'April Glow'
- Rhododendron 'April Snow'
- Rhododendron 'Aprilleuchten'
- Rhododendron 'Arabella'
- Rhododendron 'Araver'
- Rhododendron 'Arctic Tern'
- Rhododendron 'Ariane'
- Rhododendron 'Aristide Briant'
- Rhododendron 'Aronensis'
- Rhododendron 'Arthur Bedford'
- Rhododendron 'Astrid'
- Rhododendron 'Atrier'
- Rhododendron 'Attraction'
- Rhododendron 'Augfast'
- Rhododendron 'August Lamken'
- Rhododendron 'August'
- Rhododendron 'Azaleoides'
- Rhododendron 'Azor'
- Rhododendron 'Azurika'
- Rhododendron 'Azurro'
- Rhododendron 'Azurwolke'
- Rhododendron 'B. de Bruin'
- Rhododendron 'Babette'
- Rhododendron 'Bad Eilsen'
- Rhododendron 'Bad Zwischenahn'
- Rhododendron 'Baden Baden'
- Rhododendron 'Baden-Baden'
- Rhododendron 'Bajazzo'
- Rhododendron 'Balalaika'
- Rhododendron 'Balta'
- Rhododendron 'Bambi'
- Rhododendron 'Bambola'
- Rhododendron 'Bananaflip'
- Rhododendron 'Bariton'
- Rhododendron 'Barmstedt'
- Rhododendron 'Barnaby Sunset'
- Rhododendron 'Baron van Dedem'
- Rhododendron 'Barto Alpine'
- Rhododendron 'Bashful'
- Rhododendron 'Beauty of Littleworth'
- Rhododendron 'Beauty of Surrey'
- Rhododendron 'Belkanto'
- Rhododendron 'Belle Heller'
- Rhododendron 'Bellefontaine'
- Rhododendron 'Bellringer'
- Rhododendron 'Belmonte'
- Rhododendron 'Belona'
- Rhododendron 'Ben Moseley'
- Rhododendron 'Bengal'
- Rhododendron 'Berg's Queen Bee'
- Rhododendron 'Bergensiana'
- Rhododendron 'Berlinale'
- Rhododendron 'Berliner Liebe'
- Rhododendron 'Bernstein'
- Rhododendron 'Betsie Balcom'
- Rhododendron 'Better Half'
- Rhododendron 'Bibiani'
- Rhododendron 'Bilderdijk'
- Rhododendron 'Biskra'
- Rhododendron 'Bismarck'
- Rhododendron 'Blaauw's Pink'
- Rhododendron 'Black Sport'
- Rhododendron 'Blaney's Blue'
- Rhododendron 'Blanka'
- Rhododendron 'Blankenese'
- Rhododendron 'Blattgold'
- Rhododendron 'Blaubart'
- Rhododendron 'Blaue Mauritius'
- Rhododendron 'Blaufeder'
- Rhododendron 'Blaumeise'
- Rhododendron 'Blewbury'
- Rhododendron 'Blinklicht'
- Rhododendron 'Blitz'
- Rhododendron 'Blue Diamond'
- Rhododendron 'Blue Ensign'
- Rhododendron 'Blue Haze'
- Rhododendron 'Blue Jay'
- Rhododendron 'Blue Pacific'
- Rhododendron 'Blue Pool'
- Rhododendron 'Blue Tit Magor'
- Rhododendron 'Blue Tit'
- Rhododendron 'Bluebell'
- Rhododendron 'Bluebird'
- Rhododendron 'Blueshine Girl'
- Rhododendron 'Bluette'
- Rhododendron 'Blumeria'
- Rhododendron 'Blurettia'
- Rhododendron 'Blutopia'
- Rhododendron 'Bob Bovee'
- Rhododendron 'Boccia'
- Rhododendron 'Bolero'
- Rhododendron 'Bonfire'
- Rhododendron 'Boskoop'
- Rhododendron 'Boule de Neige'
- Rhododendron 'Boursalt'
- Rhododendron 'Boursault'
- Rhododendron 'Bow Bells'
- Rhododendron 'Brandywine'
- Rhododendron 'Brasilia'
- Rhododendron 'Bremen'
- Rhododendron 'Breslau'
- Rhododendron 'Bric a Brac'
- Rhododendron 'Brickdust'
- Rhododendron 'Brigitte'
- Rhododendron 'Brilliant'
- Rhododendron 'Brinny'
- Rhododendron 'Britannia'
- Rhododendron 'Brocade'
- Rhododendron 'Brookville'
- Rhododendron 'Bruce Brechtbill'
- Rhododendron 'Buhomil Kavka'
- Rhododendron 'Buketta'
- Rhododendron 'Bulstrode Park'
- Rhododendron 'Burletta'
- Rhododendron 'Burning Love'
- Rhododendron 'Busuki'
- Rhododendron 'Butterfly'
- Rhododendron 'Buttermint'
- Rhododendron 'Cadis'
- Rhododendron 'Calliope'
- Rhododendron 'Calotrail'
- Rhododendron 'Calrose'
- Rhododendron 'Cambridge'
- Rhododendron 'Candi'
- Rhododendron 'Caractacus'
- Rhododendron 'Carex White'
- Rhododendron 'Carla'
- Rhododendron 'Carmen'
- Rhododendron 'Carola'
- Rhododendron 'Carolina Spring'
- Rhododendron 'Caroline Allbrook'
- Rhododendron 'Cary Ann'
- Rhododendron 'Catalgla'
- Rhododendron 'Catalode'
- Rhododendron 'Catawbiense Album'
- Rhododendron 'Catawbiense Grandiflorum'
- Rhododendron 'Catharine van Tol'
- Rhododendron 'Cavalier'
- Rhododendron 'Centennial Gold'
- Rhododendron 'Cetewayo'
- Rhododendron 'Cheer'
- Rhododendron 'Chelsea Seventy'
- Rhododendron 'Cherry Pie'
- Rhododendron 'Chiff Chaff'
- Rhododendron 'Chikor'
- Rhododendron 'China Boy'
- Rhododendron 'Chink'
- Rhododendron 'Chionoides'
- Rhododendron 'Chlorops'
- Rhododendron 'Christa Reich'
- Rhododendron 'Christiane Herzog'
- Rhododendron 'Christmas Cheer'
- Rhododendron 'Cilpinense'
- Rhododendron 'Claudine'
- Rhododendron 'Clementine Lemaire'
- Rhododendron 'Clementine'
- Rhododendron 'Clewer'
- Rhododendron 'Clivia'
- Rhododendron 'Clyne Elsae'
- Rhododendron 'Concorde'
- Rhododendron 'Conemaugh'
- Rhododendron 'Conewago'
- Rhododendron 'Conroy'
- Rhododendron 'Constanze'
- Rhododendron 'Coral Velvet'
- Rhododendron 'Coriolan'
- Rhododendron 'Cornelia'
- Rhododendron 'Cornsutch'
- Rhododendron 'Cornwallis'
- Rhododendron 'Corona'
- Rhododendron 'Cosmopolitan'
- Rhododendron 'Countess of Derby'
- Rhododendron 'Cowslip'
- Rhododendron 'Crater Lake'
- Rhododendron 'Cream Crest'
- Rhododendron 'Cream Delight'
- Rhododendron 'Creeping Jenny'
- Rhododendron 'Cremeschale'
- Rhododendron 'Creminrose'
- Rhododendron 'Creole Belle'
- Rhododendron 'Crete'
- Rhododendron 'Crossroads'
- Rhododendron 'Crown Prince'
- Rhododendron 'Cunningham's White'
- Rhododendron 'Cunodoxa'
- Rhododendron 'Cup Cake'
- Rhododendron 'Cupido'
- Rhododendron 'Curlew'
- Rhododendron 'Cynthia'
- Rhododendron 'Dairymaid'
- Rhododendron 'Damozel'
- Rhododendron 'Dandy'
- Rhododendron 'Daniela'
- Rhododendron 'Darius'
- Rhododendron 'Daydream'
- Rhododendron 'Delaware'
- Rhododendron 'Delicatissimum'
- Rhododendron 'Delta'
- Rhododendron 'Desert Gold'
- Rhododendron 'Diadem'
- Rhododendron 'Diana'
- Rhododendron 'Directeur Dorsman'
- Rhododendron 'Discora'
- Rhododendron 'Doberluger Weiss'
- Rhododendron 'Doc'
- Rhododendron 'Don Giovanni'
- Rhododendron 'Doncaster'
- Rhododendron 'Dopey'
- Rhododendron 'Dora Amateis'
- Rhododendron 'Dorothy Amateis'
- Rhododendron 'Double Date'
- Rhododendron 'Double Winner'
- Rhododendron 'Doubloons'
- Rhododendron 'Dr. Ans Heyting'
- Rhododendron 'Dr. Arnold W. Endtz'
- Rhododendron 'Dr. H.C. Dresselhuys'
- Rhododendron 'Dr. H.J. Luvink'
- Rhododendron 'Dr. Tjebbes'
- Rhododendron 'Dr. V.H. Rutgers'
- Rhododendron 'Dreamland'
- Rhododendron 'Duftauge'
- Rhododendron 'Duke of York'
- Rhododendron 'Duque de San Lucar'
- Rhododendron 'Dusty Miller'
- Rhododendron 'Earl of Athlone'
- Rhododendron 'Earl of Donoughmore'
- Rhododendron 'Edeltraut'
- Rhododendron 'Edelweiss'
- Rhododendron 'Edward S. Rand'
- Rhododendron 'Eggert Rohwer'
- Rhododendron 'Egret'
- Rhododendron 'Ehrengold'
- Rhododendron 'El Alamein'
- Rhododendron 'Elfenbein'
- Rhododendron 'Elien'
- Rhododendron 'Elisabeth Hobbie'
- Rhododendron 'Elizabeth Lockhart'
- Rhododendron 'Elizabeth Red Foliage'
- Rhododendron 'Elizabeth'
- Rhododendron 'Elsie Straver'
- Rhododendron 'Emanuela'
- Rhododendron 'Emden'
- Rhododendron 'Emil'
- Rhododendron 'Enborne'
- Rhododendron 'English Roseum'
- Rhododendron 'Enziana'
- Rhododendron 'Erato'
- Rhododendron 'Erich'
- Rhododendron 'Erna'
- Rhododendron 'Ernst Graf Silva Tarouca'
- Rhododendron 'Eroica'
- Rhododendron 'Etta Burrows'
- Rhododendron 'Europa 93'
- Rhododendron 'Euterpe'
- Rhododendron 'Eva'
- Rhododendron 'Evelyn'
- Rhododendron 'Everestianum'
- Rhododendron 'Explosion'
- Rhododendron 'F.J. Kirchner'
- Rhododendron 'Falling Snow'
- Rhododendron 'Fandango'
- Rhododendron 'Fantastica'
- Rhododendron 'Fastuosum Plenum'
- Rhododendron 'Fatima'
- Rhododendron 'Felicitas'
- Rhododendron 'Festival'
- Rhododendron 'Festivo'
- Rhododendron 'Feuerschein'
- Rhododendron 'Fidelio'
- Rhododendron 'Filigran'
- Rhododendron 'Fire Plum'
- Rhododendron 'Flamingo'
- Rhododendron 'Flora's Boy'
- Rhododendron 'Floriade'
- Rhododendron 'Forlana'
- Rhododendron 'Fragrans'
- Rhododendron 'Fragrantissimum'
- Rhododendron 'Francesca'
- Rhododendron 'Francis B. Hayes'
- Rhododendron 'Frank Galsworthy'
- Rhododendron 'Fraseri'
- Rhododendron 'Frau von Wolfersdorff'
- Rhododendron 'Fred Peste'
- Rhododendron 'Friday'
- Rhododendron 'Friedrich Deus'
- Rhododendron 'Fruehlingsanfang'
- Rhododendron 'Fruehlingserwachen'
- Rhododendron 'Fruehlingsgold'
- Rhododendron 'Fruehlingstraum'
- Rhododendron 'Fuego'
- Rhododendron 'Full Moon'
- Rhododendron 'Furnival's Daughter'
- Rhododendron 'Gabrielle Liebig'
- Rhododendron 'Garibaldi'
- Rhododendron 'Gartendirektor Glocker'
- Rhododendron 'Gartendirektor Rieger'
- Rhododendron 'General Eisenhower'
- Rhododendron 'Genoveva'
- Rhododendron 'Georg Stipp'
- Rhododendron 'Germania'
- Rhododendron 'Gertrud Schaele'
- Rhododendron 'Ghislaine'
- Rhododendron 'Gigi'
- Rhododendron 'Ginny Gee'
- Rhododendron 'Gladys'
- Rhododendron 'Glennyanum'
- Rhododendron 'Gletschernacht'
- Rhododendron 'Gloria'
- Rhododendron 'Gloriosum'
- Rhododendron 'Gloxineum'
- Rhododendron 'Goerlitz'
- Rhododendron 'Goethe'
- Rhododendron 'Goldbukett'
- Rhododendron 'Golden Bee'
- Rhododendron 'Golden Gate'
- Rhododendron 'Golden Melody'
- Rhododendron 'Golden Oriole'
- Rhododendron 'Golden Torch'
- Rhododendron 'Goldfee'
- Rhododendron 'Goldfinch'
- Rhododendron 'Goldfinger'
- Rhododendron 'Goldflimmer'
- Rhododendron 'Goldfort'
- Rhododendron 'Goldika'
- Rhododendron 'Goldkrone'
- Rhododendron 'Goldprinz'
- Rhododendron 'Goldrausch'
- Rhododendron 'Goldschleier'
- Rhododendron 'Goldstrike'
- Rhododendron 'Goldsworth Orange'
- Rhododendron 'Goldsworth Yellow'
- Rhododendron 'Gomer Waterer'
- Rhododendron 'Gowenianum'
- Rhododendron 'Grace Seabrook'
- Rhododendron 'Graf Anton Guenther'
- Rhododendron 'Graf Lennart'
- Rhododendron 'Graffito'
- Rhododendron 'Granat'
- Rhododendron 'Grand Slam'
- Rhododendron 'Grandezza'
- Rhododendron 'Great Dane'
- Rhododendron 'Great Scentsation'
- Rhododendron 'Gristede'
- Rhododendron 'Grosclaude'
- Rhododendron 'Grouse'
- Rhododendron 'Grumpy'
- Rhododendron 'Gudrun'
- Rhododendron 'Gustav Luettge'
- Rhododendron 'H.W. Sargent'
- Rhododendron 'Haaga'
- Rhododendron 'Hachmann's Charmant'
- Rhododendron 'Hachmann's Violetta'
- Rhododendron 'Haida Gold'
- Rhododendron 'Halfdan Lem'
- Rhododendron 'Hallelujah'
- Rhododendron 'Hamilcar'
- Rhododendron 'Hampshire Belle'
- Rhododendron 'Hanano Ego'
- Rhododendron 'Handsworth Scarlet'
- Rhododendron 'Handsworth White'
- Rhododendron 'Hans Andre Schulz'
- Rhododendron 'Hardijzer Beauty'
- Rhododendron 'Harmonie'
- Rhododendron 'Harvest Moon'
- Rhododendron 'Hazel'
- Rhododendron 'Heinje's Zauberfloete'
- Rhododendron 'Helen Johnson'
- Rhododendron 'Helen Koster'
- Rhododendron 'Helen Martin'
- Rhododendron 'Helene Schiffner'
- Rhododendron 'Hello Dolly'
- Rhododendron 'Helvetia'
- Rhododendron 'Herbstfreude'
- Rhododendron 'Hermann Backhus'
- Rhododendron 'Hermann Seidel'
- Rhododendron 'Herme'
- Rhododendron 'Hieronymus Bosch'
- Rhododendron 'Hildegard'
- Rhododendron 'Hillier's Form'
- Rhododendron 'Himalaya Stern'
- Rhododendron 'Hockessin'
- Rhododendron 'Holbein'
- Rhododendron 'Holden'
- Rhododendron 'Holdrio'
- Rhododendron 'Holger'
- Rhododendron 'Hollandia'
- Rhododendron 'Holstein'
- Rhododendron 'Homer'
- Rhododendron 'Honingen'
- Rhododendron 'Hoppy'
- Rhododendron 'Horro'
- Rhododendron 'Hot Gossip'
- Rhododendron 'Hot Shot Variegated'
- Rhododendron 'Hotei'
- Rhododendron 'Hudson Bay'
- Rhododendron 'Hultschin'
- Rhododendron 'Humboldt'
- Rhododendron 'Humming Bird'
- Rhododendron 'Hydon Ball'
- Rhododendron 'Hydon Dawn'
- Rhododendron 'Hydon Hunter'
- Rhododendron 'Hydon Velvet'
- Rhododendron 'Hyperion'
- Rhododendron 'Ibsen'
- Rhododendron 'Ice Cube'
- Rhododendron 'Idealist'
- Rhododendron 'Idomeneo'
- Rhododendron 'Impeanum'
- Rhododendron 'Imperator'
- Rhododendron 'Impi'
- Rhododendron 'Inamorata'
- Rhododendron 'Intermedium'
- Rhododendron 'Intrifast'
- Rhododendron 'Jacksonii'
- Rhododendron 'Jackwill'
- Rhododendron 'James Burchett'
- Rhododendron 'Janet Blair'
- Rhododendron 'Jean Mary Montague'
- Rhododendron 'Jeanne Artois'
- Rhododendron 'Jeanne d'Arc'
- Rhododendron 'Jeremy Davis'
- Rhododendron 'Jingle Bell'
- Rhododendron 'Jock'
- Rhododendron 'Jocking'
- Rhododendron 'Johann Berg'
- Rhododendron 'Johann Bruns'
- Rhododendron 'John Brigham'
- Rhododendron 'John Clutton'
- Rhododendron 'John Spencer'
- Rhododendron 'Johnny Bender'
- Rhododendron 'Joseph Whitworth'
- Rhododendron 'Joyance'
- Rhododendron 'Julischka'
- Rhododendron 'Junifeuer'
- Rhododendron 'Juniglocke'
- Rhododendron 'Juniperle'
- Rhododendron 'Juwel'
- Rhododendron 'Kabarett'
- Rhododendron 'Kalinka'
- Rhododendron 'Kantate'
- Rhododendron 'Kantilene'
- Rhododendron 'Karibia'
- Rhododendron 'Karin Seleger'
- Rhododendron 'Karin'
- Rhododendron 'Karl Foerster'
- Rhododendron 'Karl Sauerborn'
- Rhododendron 'Karminkissen'
- Rhododendron 'Kate Waterer'
- Rhododendron 'Kaulbach'
- Rhododendron 'Ken Janeck'
- Rhododendron 'Kerstine'
- Rhododendron 'Kimberly'
- Rhododendron 'King of Shrubs'
- Rhododendron 'Kings Ride'
- Rhododendron 'Kirsten Begeer'
- Rhododendron 'Kleefeld'
- Rhododendron 'Kluis Sensation'
- Rhododendron 'Kluis Triumph'
- Rhododendron 'Koichiro Wada'
- Rhododendron 'Kokardia'
- Rhododendron 'Kokette'
- Rhododendron 'Kolomba'
- Rhododendron 'Konsonanz'
- Rhododendron 'Kordesa'
- Rhododendron 'Kralingen'
- Rhododendron 'Kriemhild'
- Rhododendron 'Kristina'
- Rhododendron 'Kubla Khan'
- Rhododendron 'Kushiu'
- Rhododendron 'Lachsgold'
- Rhododendron 'Lackblatt'
- Rhododendron 'Lady Annette de Trafford'
- Rhododendron 'Lady Eleanor Catchcart'
- Rhododendron 'Lady Gray Egerton'
- Rhododendron 'Lady Linlithgow'
- Rhododendron 'Lady Primrose'
- Rhododendron 'Lady Strangford'
- Rhododendron 'Lagerfeuer'
- Rhododendron 'Lajka'
- Rhododendron 'Lamentosa'
- Rhododendron 'Lampion'
- Rhododendron 'Langworth'
- Rhododendron 'Largo'
- Rhododendron 'Lauretta'
- Rhododendron 'Lausitz'
- Rhododendron 'Lavandula'
- Rhododendron 'Lavender Girl'
- Rhododendron 'Le Progres'
- Rhododendron 'Lee's Dark Purple'
- Rhododendron 'Lee's Scarlet'
- Rhododendron 'Lem'
- Rhododendron 'Lem's Cameo'
- Rhododendron 'Lem's Monarch'
- Rhododendron 'Lemon Ice'
- Rhododendron 'Leopardi'
- Rhododendron 'Leopold Astrid'
- Rhododendron 'Leopold'
- Rhododendron 'Libelle'
- Rhododendron 'Libretto'
- Rhododendron 'Lilian Harvey'
- Rhododendron 'Lilofee'
- Rhododendron 'Linda'
- Rhododendron 'Linsweger Gold'
- Rhododendron 'Lissabon'
- Rhododendron 'Lister'
- Rhododendron 'Little Ben'
- Rhododendron 'Littlest Angel'
- Rhododendron 'Locarno'
- Rhododendron 'Loder's White'
- Rhododendron 'Loderi Helen'
- Rhododendron 'Loderi King George'
- Rhododendron 'Loderi Sir Joseph Hooker'
- Rhododendron 'Loderi Stag's Head'
- Rhododendron 'Loderi White Diamond'
- Rhododendron 'Lodestar'
- Rhododendron 'Lois'
- Rhododendron 'Lord Roberts'
- Rhododendron 'Loreley'
- Rhododendron 'Louis Pasteur'
- Rhododendron 'Love Song'
- Rhododendron 'Lovely William'
- Rhododendron 'Loy'
- Rhododendron 'Lucie Brand'
- Rhododendron 'Lugano'
- Rhododendron 'Luisella'
- Rhododendron 'Lumina'
- Rhododendron 'Luscombei'
- Rhododendron 'Maharani'
- Rhododendron 'Makiyak'
- Rhododendron 'Mancando'
- Rhododendron 'Mannheim'
- Rhododendron 'Marcel Menard'
- Rhododendron 'Marchioness of Lansdowne'
- Rhododendron 'Mardi Gras'
- Rhododendron 'Margaret Findlay'
- Rhododendron 'Margriet Deetman'
- Rhododendron 'Marianne von Weizsaecker'
- Rhododendron 'Marie Oliva Schlickova'
- Rhododendron 'Marietta'
- Rhododendron 'Marimba'
- Rhododendron 'Marina'
- Rhododendron 'Marinus Koster'
- Rhododendron 'Marion Street'
- Rhododendron 'Marka'
- Rhododendron 'Markeeta's Prize'
- Rhododendron 'Marlis'
- Rhododendron 'Mars'
- Rhododendron 'Marsala'
- Rhododendron 'Marshall'
- Rhododendron 'Martha Isaacson'
- Rhododendron 'Martine'
- Rhododendron 'Mary Fleming'
- Rhododendron 'Mary Forte'
- Rhododendron 'Mary of Cambridge'
- Rhododendron 'Maxwellii'
- Rhododendron 'May Day'
- Rhododendron 'Medusa'
- Rhododendron 'Melpomene'
- Rhododendron 'Memoir'
- Rhododendron 'Merganser'
- Rhododendron 'Merveille de Boskoop'
- Rhododendron 'Mevrouw Gerard Kint White'
- Rhododendron 'Mevrouw Gerard Kint'
- Rhododendron 'Mevrouw Marc van Eetvelde'
- Rhododendron 'Midsummer'
- Rhododendron 'Mieszko'
- Rhododendron 'Milan'
- Rhododendron 'Millennium Gold'
- Rhododendron 'Millwater'
- Rhododendron 'Mission Bells'
- Rhododendron 'Mist Maiden'
- Rhododendron 'Mme Carvalho'
- Rhododendron 'Mme Ida Rubinstein'
- Rhododendron 'Mme Jules Porges'
- Rhododendron 'Mme Linden'
- Rhododendron 'Mme Masson'
- Rhododendron 'Moerheim'
- Rhododendron 'Moerheim's Pink'
- Rhododendron 'Moerlosi'
- Rhododendron 'Molly Ann'
- Rhododendron 'Mondschein'
- Rhododendron 'Monica'
- Rhododendron 'Monika'
- Rhododendron 'Moonshine Bright'
- Rhododendron 'Moonstone'
- Rhododendron 'Mooreule'
- Rhododendron 'Morgenrot'
- Rhododendron 'Morning Cloud'
- Rhododendron 'Morning Magic'
- Rhododendron 'Moser's Maroon'
- Rhododendron 'Motyl'
- Rhododendron 'Mount Everest'
- Rhododendron 'Mrs. A.M. Williams'
- Rhododendron 'Mrs. A.T. de la Mare'
- Rhododendron 'Mrs. Anthony Waterer'
- Rhododendron 'Mrs. Betty Robertson'
- Rhododendron 'Mrs. C.S. Sargent'
- Rhododendron 'Mrs. Charles Pearson'
- Rhododendron 'Mrs. Davies Evans'
- Rhododendron 'Mrs. Furnival'
- Rhododendron 'Mrs. G.W. Leak'
- Rhododendron 'Mrs. J.C. Williams'
- Rhododendron 'Mrs. J.G. Millais'
- Rhododendron 'Mrs. John Kelk'
- Rhododendron 'Mrs. L. de Rothschild'
- Rhododendron 'Mrs. Lindsay Smith'
- Rhododendron 'Mrs. P. den Ouden'
- Rhododendron 'Mrs. P.D. Williams'
- Rhododendron 'Mrs. R.G. Shaw'
- Rhododendron 'Mrs. R.S. Holford'
- Rhododendron 'Mrs. T.H. Lowinsky'
- Rhododendron 'Mrs. Tom Agnew'
- Rhododendron 'Mrs. W. Watson'
- Rhododendron 'Multimaculatum'
- Rhododendron 'Myrtifolium'
- Rhododendron 'N.N. Sherwood'
- Rhododendron 'Nancy Evans'
- Rhododendron 'Naomi Early Dawn'
- Rhododendron 'Naomi Stella Maris'
- Rhododendron 'Naselle'
- Rhododendron 'Nathalie'
- Rhododendron 'Nearing Purple'
- Rhododendron 'Negrito'
- Rhododendron 'Nestucca'
- Rhododendron 'Netty Koster'
- Rhododendron 'Nicholas'
- Rhododendron 'Nicoline'
- Rhododendron 'Nightingale'
- Rhododendron 'Nigrescens'
- Rhododendron 'Ninotschka'
- Rhododendron 'Nippon'
- Rhododendron 'Nobleanum Album'
- Rhododendron 'Nobleanum Venustum'
- Rhododendron 'Nofretete'
- Rhododendron 'Norfolk Candy'
- Rhododendron 'Nova Zembla'
- Rhododendron 'Obergaertner Karl Baumann'
- Rhododendron 'Oberschlesien'
- Rhododendron 'Odee Wright'
- Rhododendron 'Odessa'
- Rhododendron 'Old Port'
- Rhododendron 'Oldenburg'
- Rhododendron 'Oldewig'
- Rhododendron 'Olga Mezitt'
- Rhododendron 'Olga'
- Rhododendron 'Olympic Lady'
- Rhododendron 'Omega'
- Rhododendron 'Orange Girl'
- Rhododendron 'Orangengold'
- Rhododendron 'Orangina'
- Rhododendron 'Oratorium'
- Rhododendron 'Oreocinn'
- Rhododendron 'Oreoroyle'
- Rhododendron 'Ornament'
- Rhododendron 'Ortrud'
- Rhododendron 'Osmar'
- Rhododendron 'Ostalett'
- Rhododendron 'Ostara'
- Rhododendron 'Oudijk's Favorite'
- Rhododendron 'Oudijk's Sensation'
- Rhododendron 'Ovation'
- Rhododendron 'Overstreet'
- Rhododendron 'Oxlip'
- Rhododendron 'P.J. Mezitt Elite'
- Rhododendron 'P.J. Mezitt'
- Rhododendron 'Papageno'
- Rhododendron 'Papilionaceum'
- Rhododendron 'Parsifal'
- Rhododendron 'Parsons Gloriosum'
- Rhododendron 'Passion'
- Rhododendron 'Patty Bee'
- Rhododendron 'Peace'
- Rhododendron 'Pearce's American Beauty'
- Rhododendron 'Peekabo'
- Rhododendron 'Peeping Tom'
- Rhododendron 'Peggy Bannier'
- Rhododendron 'Percy Wiseman'
- Rhododendron 'Perla Rosa'
- Rhododendron 'Peter Alan'
- Rhododendron 'Peter Koster'
- Rhododendron 'Peter Seidel'
- Rhododendron 'Petr'
- Rhododendron 'Pfauenauge'
- Rhododendron 'Phalarope'
- Rhododendron 'Picotee'
- Rhododendron 'Picturatum'
- Rhododendron 'Pink Bountiful'
- Rhododendron 'Pink Brightness'
- Rhododendron 'Pink Cherub'
- Rhododendron 'Pink Drift'
- Rhododendron 'Pink Elf'
- Rhododendron 'Pink Goliath'
- Rhododendron 'Pink Lady'
- Rhododendron 'Pink Pearl'
- Rhododendron 'Pink Pebble'
- Rhododendron 'Pink Rosette'
- Rhododendron 'Pink Walloper'
- Rhododendron 'Pioneer'
- Rhododendron 'Pipaluk'
- Rhododendron 'Pizzicato'
- Rhododendron 'Plum Beautiful'
- Rhododendron 'Polar Bear'
- Rhododendron 'Polar Star'
- Rhododendron 'Polaris'
- Rhododendron 'Porzellan'
- Rhododendron 'Praecox'
- Rhododendron 'President Roosevelt'
- Rhododendron 'Primula'
- Rhododendron 'Princess Anne'
- Rhododendron 'Princess Elisabeth'
- Rhododendron 'Princess Margaret'
- Rhododendron 'Prinz Karneval'
- Rhododendron 'Priska'
- Rhododendron 'Professor Hugo de Vries'
- Rhododendron 'Professor Wolters'
- Rhododendron 'Prostigiatum'
- Rhododendron 'Psyche'
- Rhododendron 'Ptarmigan'
- Rhododendron 'Puccini'
- Rhododendron 'Puncta'
- Rhododendron 'Purity'
- Rhododendron 'Purple Emperor'
- Rhododendron 'Purple Gem'
- Rhododendron 'Purple Heart'
- Rhododendron 'Purple Lace'
- Rhododendron 'Purple Peterli'
- Rhododendron 'Purple Splendour'
- Rhododendron 'Purpureum Grandiflorum'
- Rhododendron 'Queen Anne'
- Rhododendron 'Queen Mary'
- Rhododendron 'Queen of Hearts'
- Rhododendron 'R.S. Holford'
- Rhododendron 'Racil'
- Rhododendron 'Radistrotum'
- Rhododendron 'Raisa'
- Rhododendron 'Ramapo'
- Rhododendron 'Ramona'
- Rhododendron 'Rasputin'
- Rhododendron 'Razorbill'
- Rhododendron 'Red Bells'
- Rhododendron 'Red Carpet'
- Rhododendron 'Red Eye'
- Rhododendron 'Red Jack'
- Rhododendron 'Red Pompadour'
- Rhododendron 'Red Rover'
- Rhododendron 'Redwood'
- Rhododendron 'Remo'
- Rhododendron 'Rendezvous'
- Rhododendron 'Renoir'
- Rhododendron 'Reve Rose'
- Rhododendron 'Ria Hardijzer'
- Rhododendron 'Ricarda'
- Rhododendron 'Rimini'
- Rhododendron 'Riplet'
- Rhododendron 'Rob's Favourite'
- Rhododendron 'Robert Alison'
- Rhododendron 'Robert Croux'
- Rhododendron 'Robert Korn'
- Rhododendron 'Robert Seleger'
- Rhododendron 'Rochelle'
- Rhododendron 'Rodrigo'
- Rhododendron 'Roedhaette'
- Rhododendron 'Roland'
- Rhododendron 'Romany Chai'
- Rhododendron 'Rosa Mundi'
- Rhododendron 'Rosa Perle'
- Rhododendron 'Rosa Traum'
- Rhododendron 'Rosa Wolke'
- Rhododendron 'Rosa Wunder'
- Rhododendron 'Rosabella'
- Rhododendron 'Rosali'
- Rhododendron 'Rosarka'
- Rhododendron 'Rose Elf'
- Rhododendron 'Rose Point'
- Rhododendron 'Roselyn'
- Rhododendron 'Roseum Elegans'
- Rhododendron 'Rosie Posie'
- Rhododendron 'Rosita'
- Rhododendron 'Roslyn'
- Rhododendron 'Rothenburg'
- Rhododendron 'Royal Purple'
- Rhododendron 'Roza Stephenson'
- Rhododendron 'Rudolf Heinemann'
- Rhododendron 'Rumpelstielzchen'
- Rhododendron 'Russautinii'
- Rhododendron 'Saba'
- Rhododendron 'Sabrina'
- Rhododendron 'Sacko'
- Rhododendron 'Saffrano'
- Rhododendron 'Sammetglut'
- Rhododendron 'Sandrino'
- Rhododendron 'Santana'
- Rhododendron 'Santiago'
- Rhododendron 'Sapphire'
- Rhododendron 'Sappho'
- Rhododendron 'Sapporo'
- Rhododendron 'Saracen'
- Rhododendron 'Sarled'
- Rhododendron 'Scarlet Wonder'
- Rhododendron 'Schaumperle'
- Rhododendron 'Schlaraffia'
- Rhododendron 'Schneeauge'
- Rhododendron 'Schneebukett'
- Rhododendron 'Schneekrone'
- Rhododendron 'Schneespiegel'
- Rhododendron 'Schneewittchen'
- Rhododendron 'Schneewolke'
- Rhododendron 'Schneverdingen'
- Rhododendron 'Schwanensee'
- Rhododendron 'Scintillation'
- Rhododendron 'Seestadt Bremerhaven'
- Rhododendron 'September Song'
- Rhododendron 'Seven Stars'
- Rhododendron 'Shamrock'
- Rhododendron 'Shinju hime'
- Rhododendron 'Show Stopper'
- Rhododendron 'Shrimp Girl'
- Rhododendron 'Sigismund Rucker'
- Rhododendron 'Silberreif'
- Rhododendron 'Silbervelours'
- Rhododendron 'Silberwolke'
- Rhododendron 'Silk Cap'
- Rhododendron 'Silver Sixpence'
- Rhododendron 'Silver Thimble'
- Rhododendron 'Silvia'
- Rhododendron 'Simona'
- Rhododendron 'Simson'
- Rhododendron 'Sir Charles Lemon'
- Rhododendron 'Sir Thomas Sebright'
- Rhododendron 'Sister Jo'
- Rhododendron 'Sleepy'
- Rhododendron 'Smokey'
- Rhododendron 'Sneezy'
- Rhododendron 'Snipe'
- Rhododendron 'Snow Lady'
- Rhododendron 'Solidarity'
- Rhododendron 'Sonata'
- Rhododendron 'Sonatine'
- Rhododendron 'Songbird'
- Rhododendron 'Soulkew Elegant'
- Rhododendron 'Souvenir de D.A. Koster'
- Rhododendron 'Souvenir de Dominique Vervaene'
- Rhododendron 'Souvenir of Anthony Waterer'
- Rhododendron 'Souvenir of W.C. Slocock'
- Rhododendron 'Spiegelei'
- Rhododendron 'Spinulosum'
- Rhododendron 'Spitfire'
- Rhododendron 'Sputnik'
- Rhododendron 'St. Breward'
- Rhododendron 'St. Merryn'
- Rhododendron 'St. Minver'
- Rhododendron 'St. Tudy'
- Rhododendron 'Stadt Essen'
- Rhododendron 'Stadt Westerstede'
- Rhododendron 'Stanley Rivlin'
- Rhododendron 'Starfish'
- Rhododendron 'Stephen Bandera'
- Rhododendron 'Stockholm'
- Rhododendron 'Stopham Girl'
- Rhododendron 'Straver's Glory'
- Rhododendron 'Streatley'
- Rhododendron 'Sunny Glade'
- Rhododendron 'Super Star'
- Rhododendron 'Surrey Heath'
- Rhododendron 'Susan'
- Rhododendron 'Svend Hansen'
- Rhododendron 'Sweet Simplicity'
- Rhododendron 'Sweet Sue'
- Rhododendron 'Taggi'
- Rhododendron 'Tamarindos'
- Rhododendron 'Tarantella'
- Rhododendron 'Tatjana'
- Rhododendron 'Taurus'
- Rhododendron 'Teddy Bear'
- Rhododendron 'Temple Belle'
- Rhododendron 'Tessa Roza'
- Rhododendron 'Tessa'
- Rhododendron 'Thelsa'
- Rhododendron 'Thor'
- Rhododendron 'Tiana'
- Rhododendron 'Tibet'
- Rhododendron 'Tidbit'
- Rhododendron 'Tiffany'
- Rhododendron 'Tigra'
- Rhododendron 'Tilford Seedling'
- Rhododendron 'Tina Heinje'
- Rhododendron 'Titian Beauty'
- Rhododendron 'Tom Thumb'
- Rhododendron 'Tonika'
- Rhododendron 'Too Bee'
- Rhododendron 'Topsvoort Pearl'
- Rhododendron 'Tosca'
- Rhododendron 'Tottenham Rose'
- Rhododendron 'Tottenham'
- Rhododendron 'Towhead'
- Rhododendron 'Treasure'
- Rhododendron 'Trewithen Blue'
- Rhododendron 'Trewithen Orange'
- Rhododendron 'Trilby'
- Rhododendron 'Trocadero'
- Rhododendron 'Tromba'
- Rhododendron 'Trompenburg'
- Rhododendron 'Trude Webster'
- Rhododendron 'Tulyar'
- Rhododendron 'Turandot'
- Rhododendron 'Uelfe'
- Rhododendron 'Unique'
- Rhododendron 'Unknown Warrior'
- Rhododendron 'Van den Broeke'
- Rhododendron 'Van der Hoop'
- Rhododendron 'Van Weerden Poelman'
- Rhododendron 'Vanessa Pastel'
- Rhododendron 'Vanessa'
- Rhododendron 'Vater Boehlje'
- Rhododendron 'Vauban'
- Rhododendron 'Venetian Chimes'
- Rhododendron 'Venus'
- Rhododendron 'Vernus'
- Rhododendron 'Vintage Rose'
- Rhododendron 'Virginia Richards'
- Rhododendron 'Viscy'
- Rhododendron 'Volker'
- Rhododendron 'Volme'
- Rhododendron 'Von Oheimb Woislowitz'
- Rhododendron 'Vulcan'
- Rhododendron 'Vulcan's Flame'
- Rhododendron 'Walkuere'
- Rhododendron 'Walter Schmalscheidt'
- Rhododendron 'Wattle Bird'
- Rhododendron 'Wedding Bouquet'
- Rhododendron 'Wee Bee'
- Rhododendron 'Weinlese'
- Rhododendron 'Westfalenpark'
- Rhododendron 'Weston's Pink Diamond'
- Rhododendron 'Whisperingrose'
- Rhododendron 'White Campanula'
- Rhododendron 'Whitney's Dwarf Red'
- Rhododendron 'Wiero'
- Rhododendron 'Wigeon'
- Rhododendron 'Wilgens Ruby'
- Rhododendron 'Wilgens Surprise'
- Rhododendron 'Willbrit'
- Rhododendron 'Windbeam'
- Rhododendron 'Windsor Lad'
- Rhododendron 'Winsome'
- Rhododendron 'Wipper'
- Rhododendron 'Wren'
- Rhododendron 'Wyanokie'
- Rhododendron 'Yaku Angel'
- Rhododendron 'Yaku King'
- Rhododendron 'Yaku Princess'
- Rhododendron 'Yaku Queen'
- Rhododendron 'Years of Peace'
- Rhododendron 'Yellow Hammer'
- Rhododendron 'Zauberfloete'
- Rhododendron 'Zuiderzee'
- Rhododendron aberconwayi
- Rhododendron aberconwayi 'His Lordship'
- Rhododendron aberconwayi x yakushimanum
- Rhododendron adenogynum
- Rhododendron adenosum
- Rhododendron aechnophyllum
- Rhododendron aganniphum
- Rhododendron albiflorum
- Rhododendron albrechtii
- Rhododendron alutaceum
- Rhododendron amagianum
- Rhododendron ambiguum
- Rhododendron ambiguum 'Medley'
- Rhododendron ambiguum 'Wongii'
- Rhododendron amesiae
- Rhododendron anhweiense
- Rhododendron annae
- Rhododendron anthopogon
- Rhododendron anthosphaerum
- Rhododendron arborescens
- Rhododendron arboreum
- Rhododendron argyrophyllum
- Rhododendron argyrophyllum 'Chinese Silver'
- Rhododendron arizelum
- Rhododendron atlanticum
- Rhododendron augustinii
- Rhododendron augustinii 'Electra'
- Rhododendron augustinii 'Magor'
- Rhododendron aureum
- Rhododendron auriculatum
- Rhododendron auritum
- Rhododendron bakeri
- Rhododendron balfourianum
- Rhododendron barbatum
- Rhododendron basilicum
- Rhododendron bayleyi
- Rhododendron beanianum
- Rhododendron beesianum
- Rhododendron brachyanthum
- Rhododendron brachyanthum hypolepidotum
- Rhododendron brachyanthum tsangpoense
- Rhododendron brachycarpum
- Rhododendron brachycarpum roseum
- Rhododendron bureavii
- Rhododendron bureavoides
- Rhododendron calendulaceum
- Rhododendron callimorphum
- Rhododendron calophytum
- Rhododendron calophytum x forrestii
- Rhododendron calostrotum
- Rhododendron calostrotum calciphilum
- Rhododendron calostrotum keleticum
- Rhododendron calostrotum keleticum radicans
- Rhododendron campanulatum
- Rhododendron campanulatum 'Album'
- Rhododendron campanulatum 'Knap Hill'
- Rhododendron campanulatum aeruginosum
- Rhododendron campylocarpum
- Rhododendron campylocarpum 'Elatum'
- Rhododendron campylocarpum caloxanthum
- Rhododendron campylogynum
- Rhododendron campylogynum 'Myrtilloides'
- Rhododendron camtschaticum
- Rhododendron canadense
- Rhododendron canadense 'Album'
- Rhododendron carolinianum
- Rhododendron catawbiense
- Rhododendron catawbiense 'Mont Blanc'
- Rhododendron caucasicum
- Rhododendron caucasicum 'Pictum'
- Rhododendron caucasicum luteum
- Rhododendron cephalanthoides
- Rhododendron cephalanthum
- Rhododendron cerasinum
- Rhododendron chamae-thomsonii
- Rhododendron ciliatum
- Rhododendron cinnabarinum
- Rhododendron cinnabarinum 'Purpurellum'
- Rhododendron cinnabarinum 'Roylei'
- Rhododendron cinnabarinum concatenans
- Rhododendron cinnabarinum xanthocodon
- Rhododendron cinnebarinum v.blandfordiiflorum
- Rhododendron citriniflorum
- Rhododendron citriniflorum horaeum
- Rhododendron clementinae
- Rhododendron coeloneuron
- Rhododendron columbianum
- Rhododendron compactum
- Rhododendron complexum
- Rhododendron concinnum
- Rhododendron concinnum 'Tower Court'
- Rhododendron concinnum pseudoyanthinum
- Rhododendron cumberlandense
- Rhododendron cuneatum
- Rhododendron cyanocarpum
- Rhododendron dalhousiae
- Rhododendron dasypetalum
- Rhododendron dauricum
- Rhododendron dauricum 'Albiflorum'
- Rhododendron dauricum 'April White'
- Rhododendron dauricum 'Dwarf'
- Rhododendron dauricum 'Midwinter'
- Rhododendron dauricum 'Nanum'
- Rhododendron davidii
- Rhododendron davidsonianum
- Rhododendron davidsonianum 'Lucky Hit'
- Rhododendron decorum
- Rhododendron decorum 'Minor'
- Rhododendron decorum subsp. diaprepes
- Rhododendron degronianum
- Rhododendron degronianum heptamerum
- Rhododendron degronianum hondoense
- Rhododendron degronianum kiyumaruense
- Rhododendron degronianum x haematodes
- Rhododendron desquamatum
- Rhododendron dichroanthum
- Rhododendron dichroanthum 'Herpesticum'
- Rhododendron dichroanthum apodectum
- Rhododendron dichroanthum scyphocalyx
- Rhododendron dielsianum
- Rhododendron dilatatum
- Rhododendron doshongense
- Rhododendron dryophyllum
- Rhododendron dumicola
- Rhododendron edgarianum
- Rhododendron edgeworthii
- Rhododendron elegantulum
- Rhododendron elliottii
- Rhododendron erubescens
- Rhododendron eudoxum
- Rhododendron falconeri
- Rhododendron falconeri eximium
- Rhododendron fastigiatum
- Rhododendron fauriei
- Rhododendron fauriei 'Rufescens'
- Rhododendron ferrugineum
- Rhododendron flavidum
- Rhododendron flavidum 'Albiflorum'
- Rhododendron floccigerum
- Rhododendron floribundum
- Rhododendron forrestii
- Rhododendron fortunei
- Rhododendron fortunei discolor
- Rhododendron fulgens
- Rhododendron fulvum
- Rhododendron galactinum
- Rhododendron glanduliferum
- Rhododendron glaucophyllum
- Rhododendron glischrum
- Rhododendron globigerum
- Rhododendron griersonianum
- Rhododendron griffithianum
- Rhododendron groenlandicum
- Rhododendron groenlandicum 'Compactum'
- Rhododendron groenlandicum 'Helma'
- Rhododendron habrotrichum
- Rhododendron haematodes
- Rhododendron hanceanum 'Nanum'
- Rhododendron heliolepis
- Rhododendron helwingii
- Rhododendron hemitrichotum
- Rhododendron hippophaeoides
- Rhododendron hippophaeoides 'Bei mei shan'
- Rhododendron hippophaeoides 'Fimbriatum'
- Rhododendron hippophaeoides 'Habashan'
- Rhododendron hippophaeoides 'Inshriach'
- Rhododendron hirsutum
- Rhododendron hirsutum 'Plenum'
- Rhododendron hirsutum album
- Rhododendron hirtipes
- Rhododendron hodgsonii
- Rhododendron horaeum
- Rhododendron houlstonii
- Rhododendron hunnewellianum
- Rhododendron hyperythrum
- Rhododendron hypoleucum
- Rhododendron impeditum
- Rhododendron impeditum 'Indigo'
- Rhododendron impeditum 'Ronny'
- Rhododendron impeditum 'White Form'
- Rhododendron indicum
- Rhododendron indicum 'Kozan'
- Rhododendron indicum 'Macranthum'
- Rhododendron insigne
- Rhododendron intricatum
- Rhododendron johnstoneanum
- Rhododendron kaempferi
- Rhododendron kaempferi 'Norma'
- Rhododendron keiskei
- Rhododendron keiskei 'Yaku Fairy'
- Rhododendron keiskei x racemosum
- Rhododendron kiusianum
- Rhododendron kiusianum 'Albiflorum'
- Rhododendron kiusianum 'Best Pink'
- Rhododendron kiusianum 'Chigo gesho'
- Rhododendron kiusianum 'Hinode'
- Rhododendron kiusianum 'Multiflorum'
- Rhododendron kiusianum 'Rose Form'
- Rhododendron kiusianum 'Shio Pink'
- Rhododendron kiusianum alpinum
- Rhododendron lapponicum
- Rhododendron lapponicum parvifolium
- Rhododendron lepidostylum
- Rhododendron lepidotum
- Rhododendron lepidotum chloranthum
- Rhododendron leucaspis
- Rhododendron lochae
- Rhododendron lochmium
- Rhododendron longesquamatum
- Rhododendron lukiangense
- Rhododendron lutescens
- Rhododendron lutescens 'Bagshot Sands'
- Rhododendron luteum
- Rhododendron lysolepis
- Rhododendron macabeanum
- Rhododendron macgregoria
- Rhododendron macgregoria x berenkianum
- Rhododendron macrophyllum
- Rhododendron macrosepalum
- Rhododendron makinoi
- Rhododendron makinoi 'Fuju kaku no matsu'
- Rhododendron maximum
- Rhododendron meddianum
- Rhododendron mekongense melinanthum
- Rhododendron micranthum
- Rhododendron microgynum
- Rhododendron minus
- Rhododendron miyagrum
- Rhododendron molle subsp. japonicum
- Rhododendron morii
- Rhododendron moupinense
- Rhododendron mucronatum
- Rhododendron mucronulatum
- Rhododendron myrtifolium
- Rhododendron nakaharae
- Rhododendron nakaharae 'Deep Orange'
- Rhododendron nakaharae 'Exbury Orange'
- Rhododendron nakaharae 'Late Love'
- Rhododendron nakaharae 'Lemur'
- Rhododendron nakaharae 'Marilee'
- Rhododendron nakaharae 'Pink Cascade'
- Rhododendron nakaharae 'Pink Pancake'
- Rhododendron nakaharae 'Red Fountain'
- Rhododendron nakaharae 'Wintergreen'
- Rhododendron nakaharae 'Wombat'
- Rhododendron neoglandulosum
- Rhododendron neriiflorum
- Rhododendron neriiflorum 'Rosevallon'
- Rhododendron nikomontanum
- Rhododendron nitidulum omeiense
- Rhododendron nivale boreale
- Rhododendron niveum
- Rhododendron occidentale
- Rhododendron oleifolium
- Rhododendron orbiculare
- Rhododendron orbiculare subsp. cardiobasis
- Rhododendron oreodoxa
- Rhododendron oreodoxa fargesii
- Rhododendron oreotrephes
- Rhododendron oreotrephes 'Exquisitum'
- Rhododendron orthocladum
- Rhododendron pachysanthum
- Rhododendron pachytrichum
- Rhododendron paludosum
- Rhododendron paradoxum
- Rhododendron parmulatum
- Rhododendron patulum
- Rhododendron pemakoense
- Rhododendron pendulum
- Rhododendron pentaphyllum
- Rhododendron peregrinum
- Rhododendron periclymenoides
- Rhododendron phaeochrysum
- Rhododendron pingianum
- Rhododendron planetum
- Rhododendron polycladum
- Rhododendron polylepis
- Rhododendron ponticum
- Rhododendron ponticum 'Album'
- Rhododendron ponticum 'Aureovariegatum'
- Rhododendron ponticum 'Cheiranthifolium'
- Rhododendron ponticum 'Compactum Multiflorum'
- Rhododendron ponticum 'Graziella'
- Rhododendron ponticum 'Hyacinthiflorum Flore Pleno'
- Rhododendron ponticum 'Imbricatum'
- Rhododendron ponticum 'Roseum'
- Rhododendron ponticum 'Variegatum'
- Rhododendron praestans
- Rhododendron praevernum
- Rhododendron principis
- Rhododendron prinophyllum
- Rhododendron prinophyllum 'Marie Hooftman'
- Rhododendron proteoides
- Rhododendron prunifolium
- Rhododendron przewalskii
- Rhododendron pseudochrysanthum
- Rhododendron pseudochrysanthum 'Komo kulshan'
- Rhododendron pumila
- Rhododendron quinquefolium
- Rhododendron racemosum
- Rhododendron racemosum 'Apricot Beauty'
- Rhododendron racemosum 'Pink Pompon'
- Rhododendron racemosum x R. trichocladum
- Rhododendron ravum
- Rhododendron recurvoides
- Rhododendron reticulatum
- Rhododendron rex
- Rhododendron rex fictolacteum
- Rhododendron rigidum
- Rhododendron rigidum 'Album'
- Rhododendron ririei
- Rhododendron roxieanum
- Rhododendron roxieanum oreonastes
- Rhododendron rubiginosum
- Rhododendron rufum
- Rhododendron rupicola
- Rhododendron rupicola chryseum
- Rhododendron russatum
- Rhododendron russatum 'Murasaki suishou'
- Rhododendron saluenense
- Rhododendron saluenense 'Savill Garden'
- Rhododendron saluenense chameunum
- Rhododendron sanctum albiflorum
- Rhododendron sanguineum
- Rhododendron sanguineum haemaleum
- Rhododendron schlippenbachii
- Rhododendron searsiae
- Rhododendron selense
- Rhododendron selense jucundum
- Rhododendron selense ssp. probum
- Rhododendron semibarbatum
- Rhododendron serpyllifolium
- Rhododendron setosum
- Rhododendron sherriffii
- Rhododendron sichotense
- Rhododendron simsii
- Rhododendron sinogrande
- Rhododendron smirnowii
- Rhododendron smithii
- Rhododendron soulei x yakushimanum
- Rhododendron souliei
- Rhododendron sphaeroblastum
- Rhododendron spinuliferum
- Rhododendron stenopetalum 'Linearifolium'
- Rhododendron strigillosum
- Rhododendron sutchuenense
- Rhododendron taliense
- Rhododendron tapetiforme
- Rhododendron tashiroi
- Rhododendron telmateium
- Rhododendron temenium dealbatum
- Rhododendron tephropeplum
- Rhododendron thomsonii
- Rhododendron tolmachevii
- Rhododendron tomentosum
- Rhododendron tomentosum subarcticum
- Rhododendron tosaense
- Rhododendron traillianum
- Rhododendron trichanthum
- Rhododendron trichostomum
- Rhododendron triflorum
- Rhododendron tsariense
- Rhododendron ungernii
- Rhododendron uvarifolium
- Rhododendron valentinianum
- Rhododendron vaseyi
- Rhododendron vernicosum
- Rhododendron vireya ' Saxon Blush'
- Rhododendron vireya 'Saxon Glow'
- Rhododendron viridescens
- Rhododendron viscosepalum
- Rhododendron viscosum
- Rhododendron wallichii
- Rhododendron wardii
- Rhododendron wardii x viscidifolium
- Rhododendron wasonii
- Rhododendron wightii
- Rhododendron williamsianum
- Rhododendron williamsianum x 'Scintillation'
- Rhododendron wiltonii
- Rhododendron yakushimanum
- Rhododendron yakushimanum 'Esveld Select'
- Rhododendron yedoense
- Rhododendron yedoense poukhanense
- Rhododendron yungningense
- Rhododendron yunnanense
- Rhododendron zoelleri