SysTax - Browse Taxonomy (beta)  
 

  all specimens types images sounds bot. garden
restrictions: with data from synonyms: no yes
only valid taxa: no yes

C: specimen, T: type, I: image, S: sound, B: bot. garden (s: synonym of taxon)
Ericaceae Juss. (Family) C   I   B 
Rhododendron L. (Genus) C       B 
Rhododendron - Hybride (Species)           
Rhododendron -Japonicum-Hybride (Species)         B 
Rhododendron Catawbiense-Hybriden (Species)         B 
Rhododendron Caucasicum-Hybride (Species)           
Rhododendron Forrestii-Hybride (Species)         B 
Rhododendron Genter Azalee (Species)           
Rhododendron Hybride (Species)         B 
Rhododendron Japanische Azalee (Species)           
Rhododendron Kaempferi-Hybride (Species)           
Rhododendron L. 'Abendglut' (cultivar)           
Rhododendron L. 'Adelbert' (cultivar)         B 
Rhododendron L. 'Agger' (cultivar)           
Rhododendron L. 'Album Novum' (cultivar)         B 
Rhododendron L. 'Album Splenditum' (cultivar)         B 
Rhododendron L. 'Album' (cultivar)           
Rhododendron L. 'Alfred' (cultivar)         B 
Rhododendron L. 'Allah' (cultivar)         B 
Rhododendron L. 'Amerika' (cultivar)         B 
Rhododendron L. 'Amoena' (cultivar)           
Rhododendron L. 'Anedore' (cultivar)         B 
Rhododendron L. 'Anne Lindsay' (cultivar)         B 
Rhododendron L. 'Apple Blossom' (cultivar)           
Rhododendron L. 'Arabella' (cultivar)         B 
Rhododendron L. 'Atrosanguineum' (cultivar)           
Rhododendron L. 'August Lamken' (cultivar)           
Rhododendron L. 'Azalee' (cultivar)           
Rhododendron L. 'Azurika' (cultivar)           
Rhododendron L. 'Bad Eilsen' (cultivar)           
Rhododendron L. 'Baden-Baden' (cultivar)           
Rhododendron L. 'Beethoven' (cultivar)           
Rhododendron L. 'Bellini' (cultivar)           
Rhododendron L. 'Berryrose' (cultivar)         B 
Rhododendron L. 'Berta' (cultivar)         B 
Rhododendron L. 'Bibber' (cultivar)         B 
Rhododendron L. 'Blinklicht' (cultivar)         B 
Rhododendron L. 'Blue Diamond' (cultivar)           
Rhododendron L. 'Blue Ensign' (cultivar)         B 
Rhododendron L. 'Blue Peter' (cultivar)         B 
Rhododendron L. 'Blue Wonder' (cultivar)           
Rhododendron L. 'Bluretta' (cultivar)           
Rhododendron L. 'Botha' (cultivar)         B 
Rhododendron L. 'Boule de Neige' (cultivar)         B 
Rhododendron L. 'Bouquet de Flor' (cultivar)         B 
Rhododendron L. 'Boursault' (cultivar)           
Rhododendron L. 'Britannia' (cultivar)         B 
Rhododendron L. 'Bryon' (cultivar)         B 
Rhododendron L. 'Burgermeester Aarts' (cultivar)         B 
Rhododendron L. 'Caractacus' (cultivar)         B 
Rhododendron L. 'Caratacus' (cultivar)         B 
Rhododendron L. 'Cardula' (cultivar)           
Rhododendron L. 'Catarine von Tol' (cultivar)         B 
Rhododendron L. 'Catharine van Tol' (cultivar)         B 
Rhododendron L. 'Cecile' (cultivar)         B 
Rhododendron L. 'Charles Dickens' (cultivar)         B 
Rhododendron L. 'Christopher Wren' (cultivar)           
Rhododendron L. 'Claudine' (cultivar)         B 
Rhododendron L. 'Coccinea Speciosa' (cultivar)         B 
Rhododendron L. 'Corneille' (cultivar)         B 
Rhododendron L. 'Creeping Jenny' (cultivar)           
Rhododendron L. 'Cultivar' (cultivar)           
Rhododendron L. 'Cunningham's White' (cultivar)         B 
Rhododendron L. 'Cunningham`s White' (cultivar)         B 
Rhododendron L. 'Cunninghamss White' (cultivar)           
Rhododendron L. 'Daisy' (cultivar)         B 
Rhododendron L. 'Daviesii' (cultivar)         B 
Rhododendron L. 'Diamant Lachs' (cultivar)         B 
Rhododendron L. 'Diamant Purpur' (cultivar)         B 
Rhododendron L. 'Diamant Rose' (cultivar)         B 
Rhododendron L. 'Diamant Rot' (cultivar)         B 
Rhododendron L. 'Dietrich' (cultivar)         B 
Rhododendron L. 'Direktor E.Hjelm' (cultivar)         B 
Rhododendron L. 'Dr. H.C.Dresselhuys' (cultivar)         B 
Rhododendron L. 'Dr.Arnold W.Endtz' (cultivar)         B 
Rhododendron L. 'Dr.H.C.Dresselhuys' (cultivar)         B 
Rhododendron L. 'Dr.M.Oeshoek' (cultivar)         B 
Rhododendron L. 'Dr.V.H.Rütgers' (cultivar)         B 
Rhododendron L. 'Duke of York' (cultivar)         B 
Rhododendron L. 'Edward S.Rand' (cultivar)         B 
Rhododendron L. 'Effner' (cultivar)         B 
Rhododendron L. 'Egret' (cultivar)           
Rhododendron L. 'Elisabeth' (cultivar)           
Rhododendron L. 'Emil' (cultivar)         B 
Rhododendron L. 'English Roseum' (cultivar)           
Rhododendron L. 'Erich' (cultivar)         B 
Rhododendron L. 'Esmeralda' (cultivar)           
Rhododendron L. 'Euan Cox' (cultivar)           
Rhododendron L. 'Everestianum' (cultivar)         B 
Rhododendron L. 'Fanal' (cultivar)           
Rhododendron L. 'Fantastica' (cultivar)         B 
Rhododendron L. 'Fastuosum Plenum' (cultivar)         B 
Rhododendron L. 'Feuerwerk' (cultivar)         B 
Rhododendron L. 'Figaro' (cultivar)         B 
Rhododendron L. 'Fireball' (cultivar)           
Rhododendron L. 'Fireglow' (cultivar)         B 
Rhododendron L. 'Flava' (cultivar)         B 
Rhododendron L. 'Furnivall's Daughter' (cultivar)           
Rhododendron L. 'Furnivalls Daughter' (cultivar)         B 
Rhododendron L. 'Gabriele' (cultivar)           
Rhododendron L. 'Gartendirektor Rieger' (cultivar)           
Rhododendron L. 'Geisha Satschiko' (cultivar)           
Rhododendron L. 'General Eisenhower' (cultivar)         B 
Rhododendron L. 'General Trauff' (cultivar)         B 
Rhododendron L. 'Genoveva' (cultivar)         B 
Rhododendron L. 'Gertrud Schäle' (cultivar)         B 
Rhododendron L. 'Gibraltar' (cultivar)         B 
Rhododendron L. 'Gloria Mundi' (cultivar)         B 
Rhododendron L. 'Gloria' (cultivar)         B 
Rhododendron L. 'Glowing Embers' (cultivar)         B 
Rhododendron L. 'Golden Eagle' (cultivar)           
Rhododendron L. 'Golden Sunset' (cultivar)           
Rhododendron L. 'Goldflamme' (cultivar)         B 
Rhododendron L. 'Goldpracht' (cultivar)           
Rhododendron L. 'Goldworth Yellow' (cultivar)         B 
Rhododendron L. 'Gomer Waterer' (cultivar)         B 
Rhododendron L. 'Grandiflorum' (cultivar)         B 
Rhododendron L. 'Gudrun' (cultivar)         B 
Rhododendron L. 'Hachmanns Feuerschein' (cultivar)         B 
Rhododendron L. 'Hadmanns Feuerschein' (cultivar)           
Rhododendron L. 'Harvest Moon' (cultivar)         B 
Rhododendron L. 'Hassan' (cultivar)         B 
Rhododendron L. 'Hatsugiri' (cultivar)           
Rhododendron L. 'Hitoko' (cultivar)           
Rhododendron L. 'Homer II früh' (cultivar)         B 
Rhododendron L. 'Hotspur' (cultivar)         B 
Rhododendron L. 'Hugh Wormald' (cultivar)         B 
Rhododendron L. 'Humboldt' (cultivar)         B 
Rhododendron L. 'Ignatius Sargent' (cultivar)         B 
Rhododendron L. 'Ignea Nova' (cultivar)         B 
Rhododendron L. 'Inamorata' (cultivar)         B 
Rhododendron L. 'Irene Koster' (cultivar)         B 
Rhododendron L. 'J.S.Bach' (cultivar)           
Rhododendron L. 'Jacksonii' (cultivar)         B 
Rhododendron L. 'Jap. Azalee' (cultivar)           
Rhododendron L. 'John Cairns' (cultivar)         B 
Rhododendron L. 'Josef Baumann' (cultivar)         B 
Rhododendron L. 'Josephine Klinger' (cultivar)         B 
Rhododendron L. 'Juanita' (cultivar)         B 
Rhododendron L. 'Juwel' (cultivar)           
Rhododendron L. 'Kermesina' (cultivar)           
Rhododendron L. 'Klondyke' (cultivar)         B 
Rhododendron L. 'Kosters Brilliant Red' (cultivar)         B 
Rhododendron L. 'Königstein' (cultivar)         B 
Rhododendron L. 'Lady A. de Trafford' (cultivar)           
Rhododendron L. 'Lady Annette de Trafford' (cultivar)           
Rhododendron L. 'Laetevirens' (cultivar)         B 
Rhododendron L. 'Lavandula' (cultivar)         B 
Rhododendron L. 'Lavender Girl' (cultivar)         B 
Rhododendron L. 'Lavendula' (cultivar)           
Rhododendron L. 'Lee Dark Purple' (cultivar)         B 
Rhododendron L. 'Lee`s Dark Purple' (cultivar)         B 
Rhododendron L. 'Lees Dark Purple' (cultivar)           
Rhododendron L. 'Leopardi' (cultivar)         B 
Rhododendron L. 'Leopold' (cultivar)         B 
Rhododendron L. 'Libelle' (cultivar)           
Rhododendron L. 'Loderi Julie' (cultivar)           
Rhododendron L. 'Luis Pasteur' (cultivar)         B 
Rhododendron L. 'Madame Masson' (cultivar)         B 
Rhododendron L. 'Maharani' (cultivar)           
Rhododendron L. 'Mannheim' (cultivar)           
Rhododendron L. 'Maria Stuart' (cultivar)         B 
Rhododendron L. 'Maricee' (cultivar)           
Rhododendron L. 'Mars' (cultivar)         B 
Rhododendron L. 'Martha' (cultivar)         B 
Rhododendron L. 'Maruschka' (cultivar)         B 
Rhododendron L. 'Maximum Roseum' (cultivar)         B 
Rhododendron L. 'Merganzer' (cultivar)           
Rhododendron L. 'Metternichianum' (cultivar)         B 
Rhododendron L. 'Mexiko' (cultivar)         B 
Rhododendron L. 'Mikado' (cultivar)           
Rhododendron L. 'Mildred Scheel' (cultivar)           
Rhododendron L. 'Moses' (cultivar)         B 
Rhododendron L. 'Mrs. Lindley Smith' (cultivar)           
Rhododendron L. 'Mrs. P. den Ouden' (cultivar)           
Rhododendron L. 'Muttertag' (cultivar)         B 
Rhododendron L. 'Myrtifolium' (cultivar)         B 
Rhododendron L. 'Nana Compressa' (cultivar)           
Rhododendron L. 'Nancy Waterer' (cultivar)         B 
Rhododendron L. 'Narcissiflora' (cultivar)         B 
Rhododendron L. 'Nippon' (cultivar)         B 
Rhododendron L. 'Nova Zembla' (cultivar)         B 
Rhododendron L. 'Nova-Cembla' (cultivar)         B 
Rhododendron L. 'Oheimb-Woislowitz' (cultivar)         B 
Rhododendron L. 'Old Port' (cultivar)         B 
Rhododendron L. 'Omega' (cultivar)         B 
Rhododendron L. 'Orange Beauty' (cultivar)         B 
Rhododendron L. 'Oreocinn' (cultivar)           
Rhododendron L. 'Pallas' (cultivar)         B 
Rhododendron L. 'Parsons Gloriosum' (cultivar)         B 
Rhododendron L. 'Persil' (cultivar)         B 
Rhododendron L. 'Pink Delight' (cultivar)           
Rhododendron L. 'Polaris' (cultivar)           
Rhododendron L. 'Praecox' (cultivar)         B 
Rhododendron L. 'Prince of Wales' (cultivar)         B 
Rhododendron L. 'Princess Anne' (cultivar)           
Rhododendron L. 'Prinses Marijke' (cultivar)         B 
Rhododendron L. 'Prof. Hugo de Vries' (cultivar)           
Rhododendron L. 'Professor Hugo de Vries' (cultivar)         B 
Rhododendron L. 'Progres' (cultivar)         B 
Rhododendron L. 'Psyche' (cultivar)           
Rhododendron L. 'Ptarmigan' (cultivar)           
Rhododendron L. 'Pucella' (cultivar)         B 
Rhododendron L. 'Purpel Triumph' (cultivar)           
Rhododendron L. 'Quapp' (cultivar)         B 
Rhododendron L. 'Queen Mary' (cultivar)         B 
Rhododendron L. 'Quendel' (cultivar)         B 
Rhododendron L. 'Ramapo' (cultivar)         B 
Rhododendron L. 'Red Carpet' (cultivar)           
Rhododendron L. 'Renata' (cultivar)         B 
Rhododendron L. 'Ronsdorfer Frühblühende' (cultivar)         B 
Rhododendron L. 'Roseum Elegans' (cultivar)           
Rhododendron L. 'Rothatte' (cultivar)           
Rhododendron L. 'Royal Command' (cultivar)         B 
Rhododendron L. 'Royal of Command' (cultivar)         B 
Rhododendron L. 'Rubescens' (cultivar)         B 
Rhododendron L. 'Rubinetta' (cultivar)           
Rhododendron L. 'Rubinstein' (cultivar)           
Rhododendron L. 'Salute' (cultivar)         B 
Rhododendron L. 'Sammetglut' (cultivar)           
Rhododendron L. 'Sarina' (cultivar)         B 
Rhododendron L. 'Satan' (cultivar)         B 
Rhododendron L. 'Saxon Glow' (cultivar)         B 
Rhododendron L. 'Scarlet Wonder' (cultivar)           
Rhododendron L. 'Schneekoppe' (cultivar)         B 
Rhododendron L. 'Schneewittchen' (cultivar)           
Rhododendron L. 'Scintillation' (cultivar)         B 
Rhododendron L. 'St. Merryn' (cultivar)           
Rhododendron L. 'Sun Chariot' (cultivar)           
Rhododendron L. 'Susan' (cultivar)         B 
Rhododendron L. 'Tunis' (cultivar)         B 
Rhododendron L. 'Ulfe' (cultivar)           
Rhododendron L. 'Unique' (cultivar)         B 
Rhododendron L. 'Unique' (Gand.-Klon.) (cultivar)         B 
Rhododendron L. 'Unique' (Slocock) (cultivar)         B 
Rhododendron L. 'Van Weerden Poelman' (cultivar)           
Rhododendron L. 'Van Weerden Poelmann' (cultivar)         B 
Rhododendron L. 'Viscy' (cultivar)         B 
Rhododendron L. 'Vitalio' (cultivar)         B 
Rhododendron L. 'Vuyk's Scarlet' (cultivar)           
Rhododendron L. 'Wega' (cultivar)         B 
Rhododendron L. 'Wilhelm III' (cultivar)         B 
Rhododendron L. 'Willbrit' (cultivar)           
Rhododendron Vuykiana (Species)           
Rhododendron Yakushimanum-Hybr. (Species)         B 
Rhododendron aberconwayi Cowan (Species)           
Rhododendron adamsii Rehder (Species)           
Rhododendron adenogynum Diels (Species)         B 
Rhododendron adenophorum Balf.f. & W.W.Sm. (Species)         B 
Rhododendron adenosum (Species)         B 
Rhododendron adoxum Balf.f. & Forrest (Species)          sB
Rhododendron aeruginosum Hook.f. (Species)          sB
Rhododendron aganniphum Balf.f. & . Kingdon-Ward (Species)           
Rhododendron alabamense Rehder (Species)         B 
Rhododendron albiflorum Hook. (Species)         B 
Rhododendron albrechtii Maxim. (Species)         B 
Rhododendron alpicola Rehder & E.H.Wilson (Species)          sB
Rhododendron amagianum Makino (Species)           
Rhododendron ambiguum Hemsl. (Species)         B 
Rhododendron amesiae Rehder & E.H.Wilson (Species)         B 
Rhododendron anthopogon D.Don (Species)           
Rhododendron anwheiense E.H.Wilson (Species)           
Rhododendron aperantum Balf. f. & Ward (Species)           
Rhododendron apodectum Balf.f. & W.W.Sm. (Species)           
Rhododendron arborescens (Pursh) Torr. (Species)         B 
Rhododendron arboreum Sm. (Species)         B 
Rhododendron arendsii (Species)           
Rhododendron argyrophyllum Franch. (Species)         B 
Rhododendron aroense (Species)           
Rhododendron artosquameum Balf.f. & Forrest (Species)          sB
Rhododendron astrocalyx Balf.f. & Forrest (Species)         BsB
Rhododendron astrocalyx-Hybride (Species)           
Rhododendron atlanticum (Ashe) Rehder (Species)         B 
Rhododendron aucklandii Griffith. (Species)           
Rhododendron aucklandii Hook.f. (Species)           
Rhododendron augustinii Hemsl. (Species)         B 
Rhododendron aureum Georgi (Species)         B 
Rhododendron auriculatum Hemsl. (Species)         B 
Rhododendron auritum Tagg (Species)           
Rhododendron austrinum Rehder (Species)         B 
Rhododendron bachii Lév. (Species)           
Rhododendron baileyi Balf. f. & Hook.f. (Species)           
Rhododendron bakeri W.P.Lemmon & McKay (Species)         BsB
Rhododendron barbatum (Species)         B 
Rhododendron basilicum Balf.f. & W.W.Sm. (Species)         B 
Rhododendron bauhiniiflorum Watt ex Hutch. (Species)           
Rhododendron beesianum (Species)         B 
Rhododendron bicolor Pursh (Species)          sB
Rhododendron brachyanthum (Species)         B 
Rhododendron brachycarpum D.Don ex G.Don (Species)         BsB
Rhododendron bracteatum Rehder & Wilson (Species)           
Rhododendron brettii Hemsl. & E.H.Wilson (Species)          sB
Rhododendron bureavii Franch. (Species)         B 
Rhododendron burmanicum Hutch. (Species)         B 
Rhododendron burtii P.Woods (Species)         B 
Rhododendron buxifolium Low. ex Hook.f. (Species)           
Rhododendron calendulaceum (Michx.) Torr. (Species)         B 
Rhododendron californicum Hook.f. (Species)          sB
Rhododendron calophytum Franch. (Species)         B 
Rhododendron calostrotum Balf.f. & Kingdon-Ward (Species)         B 
Rhododendron campanulatum D.Don (Species)         B 
Rhododendron campbelliae Hook.f. (Species)           
Rhododendron campylocarpum Hook.f. (Species)         B 
Rhododendron campylogynum Franch. (Species)         B 
Rhododendron camtschaticum Pall. (Species)         B 
Rhododendron canadense (L.) Torr. (Species)         B 
Rhododendron canadensis Torr. (Species)         B 
Rhododendron canescens (Michx.) Sweet (Species)         B 
Rhododendron cantabile Balf. f. ex Hutch. (Species)           
Rhododendron capitatum Maxim. (Species)           
Rhododendron carolinianum Rehder (Species)         B 
Rhododendron catawbiense Michx. (Species)         B 
Rhododendron catawbiense-Hybride (Species)           
Rhododendron caucasicum Pall. (Species)         B 
Rhododendron caucasicum-Hybride (Species)           
Rhododendron cerasinum Tagg (Species)           
Rhododendron cf. proteoides (Species)           
Rhododendron chamaethomsonii (Species)           
Rhododendron chapmanii A.Gray (Species)           
Rhododendron charianthum Hutch. (Species)           
Rhododendron charitopes Balf. f. & Farrer (Species)           
Rhododendron chasmanthum Diels (Species)           
Rhododendron cheilanthum Balf.f. & Forrest (Species)           
Rhododendron chengshienianum Fang (Species)           
Rhododendron chrysanthum Pall. (Species)           
Rhododendron chryseum Balf.f. & Kingdon-Ward (Species)           
Rhododendron chrysodoron Tagg ex Hutch. (Species)           
Rhododendron ciliatum Hook.f. (Species)         B 
Rhododendron cinnabarinum Hook.f. (Species)         B 
Rhododendron cinnamomeum Wall. (Species)           
Rhododendron cissifolium (Species)           
Rhododendron citriniflorum Balf.f. & Forrest (Species)           
Rhododendron clementinae Forrest. (Species)         B 
Rhododendron coccineum (Species)           
Rhododendron concatenans Hutch. (Species)         B 
Rhododendron concinnum Hemsl. (Species)         B 
Rhododendron crinigerum Franch. (Species)           
Rhododendron croceum Balf.f. & W.W.Sm. (Species)          sB
Rhododendron cubittii Hutchinson (Species)           
Rhododendron cuffeanum Craib (Species)           
Rhododendron cumberlandense E.L.Braun. (Species)         BsB
Rhododendron cuneatum W.W.Sm. (Species)           
Rhododendron cyanocarpum (Franch.) W.W.Sm. (Species)         B 
Rhododendron dalhousiae Hook.f. (Species)           
Rhododendron dauricum L. (Species)         B 
Rhododendron dauricum x mucronulatum (Species)           
Rhododendron davidii Franch. (Species)           
Rhododendron davidsonianum Rehder & E.H.Wilson (Species)         B 
Rhododendron decorum Franch. (Species)         B 
Rhododendron degronianum Carrière (Species)         B 
Rhododendron delavayi Franch. (Species)         B 
Rhododendron desquamatum Balf.f. & Forrest (Species)         B 
Rhododendron detonsum Balf. f. & Forrest (Species)           
Rhododendron diaprepes Balf f. & W.W.Sm. (Species)           
Rhododendron dichroanthum Diels (Species)           
Rhododendron didymum Balf.f. & Forrest (Species)           
Rhododendron dilatatum Maxim. (Species)           
Rhododendron dilatatum Miq. (Species)           
Rhododendron discolor Franch. (Species)         B 
Rhododendron edgeworthii (Species)         B 
Rhododendron elliottii Watt ex Brandis (Species)           
Rhododendron ellipticum Maxim. (Species)           
Rhododendron eriogynum Balf. f. & W.W.Sm. (Species)           
Rhododendron erosum (Species)         B 
Rhododendron erythrocalix (Species)           
Rhododendron erythrocalyx Balf.f. & Forrest (Species)         B 
Rhododendron euchaites Balf.f. & Forrest (Species)           
Rhododendron eudoxum (Species)         B 
Rhododendron excellens Hemsl. et E.H.Wilson (Species)           
Rhododendron exquisitum Hutch. (Species)         BsB
Rhododendron falconeri (Species)         B 
Rhododendron fargesii Franch. (Species)         B 
Rhododendron fargesii x fortunei (Species)           
Rhododendron fastigiatum Franch. (Species)         B 
Rhododendron fauriae Franch. (Species)         BsB
Rhododendron ferrugineum L. (Species) C   I   B 
Rhododendron fictolacteum Balf.f. (Species)         B 
Rhododendron flammeum (Michx.) Sarg. (Species)           
Rhododendron flavidum Franch. (Species)           
Rhododendron flavum G.Don (Species)         BsB
Rhododendron floribundum Franch. (Species)         B 
Rhododendron fordii Hemsl. (Species)           
Rhododendron formosanum Hemsl. (Species)           
Rhododendron forrestii Balf.f. ex Diels (Species)         B 
Rhododendron fortunei Lindl. (Species)         B 
Rhododendron fortunei-Hybride (Species)           
Rhododendron fufum (Species)         B 
Rhododendron fulgens Hook.f. (Species)         B 
Rhododendron fulvum Balf.f. & W.W.Sm. (Species)         B 
Rhododendron galactinum Balf.f. (Species)         B 
Rhododendron gandavense-Hybride (Species)         B 
Rhododendron genestierianum Forrest (Species)           
Rhododendron glischrum I.B.Balf. & W.W.Sm. (Species)           
Rhododendron gracilentum F.Muell. (Species)         B 
Rhododendron griersonianum Balf. f. & Forrest (Species)         B 
Rhododendron griffithianum Wight (Species)           
Rhododendron groenlandicum (Oeder) Kron & Judd (Species)           
Rhododendron haemaleum Balf.f. & Forrest (Species)         BsB
Rhododendron haematodes Franch. (Species)         B 
Rhododendron harrovianum Hemsl. (Species)           
Rhododendron headforthianum Hutchinson (Species)           
Rhododendron hedyosmum Balf. f. (Species)           
Rhododendron hemsleyanum E.H.Wilson (Species)         B 
Rhododendron herpesticum Balf.f. & Kingdon-Ward (Species)           
Rhododendron hippophaeoides Balf.f. & W.W.Sm. (Species)         B 
Rhododendron hirsutum L. (Species)         B 
Rhododendron hirtipes Tagg (Species)         B 
Rhododendron hodgonsii (Species)         B 
Rhododendron hodgsonii (Species)         B 
Rhododendron hongkongense Hutch. (Species)           
Rhododendron horaeum Balf.f. & Forrest (Species)           
Rhododendron houlstonii Hemsl. & E.H.Wilson (Species)         B 
Rhododendron hunnewellianum Rehder & E.H.Wilson (Species)           
Rhododendron hyperythrum Hayata (Species)         B 
Rhododendron hypoleuca (Kom.) Harmaja (Species)         B 
Rhododendron imbricatum Hort. (Species)           
Rhododendron impeditum Balf.f. & W.W.Sm. (Species)         B 
Rhododendron impeditum-Hybride (Species)           
Rhododendron indicum (L.) Sweet (Species)         B 
Rhododendron insigne Hemsl. & E.H.Wilson (Species)         B 
Rhododendron insigne-Hybride (Species)         B 
Rhododendron intermedium Tausch (Species)         BsB
Rhododendron intricatum Franch. (Species)         B 
Rhododendron irroratum Franch. (Species)         B 
Rhododendron jangtzowense Balf.f. & Forrest (Species)           
Rhododendron japonicum (A.Gray) J.V.Suringar (Species)         B 
Rhododendron japonicum (Blume) C.K.Schneid. (Species)         BsB
Rhododendron japonicum-Hybride (Species)         B 
Rhododendron javanicum Benn. (Species)         B 
Rhododendron javanicum Benn. ssp. brockeanum (Species)           
Rhododendron jenkinsii Nutt. (Species)           
Rhododendron johnstoneanum Watt ex Hutchinson (Species)         B 
Rhododendron kaempferi Planch. (Species)         B 
Rhododendron kamtschaticum Pall. (Species)           
Rhododendron kanehirai (Species)           
Rhododendron kaslerianum (Species)           
Rhododendron keiskei Miq. (Species)         B 
Rhododendron keleticum Balf.f. & Forrest (Species)         B 
Rhododendron keysii (Species)         B 
Rhododendron kiusianum Makino (Species)         B 
Rhododendron kongboense Kingdon Ward (Species)           
Rhododendron kosterianum C.K.Schneid. (Species)         B 
Rhododendron kosterianum-Hybride (Species)           
Rhododendron kotschyi Simonkov. (Species)         B 
Rhododendron kurume (Species)           
Rhododendron kynosumiemi (Species)           
Rhododendron lacteum Franch. (Species)         B 
Rhododendron laetum I.I.Smith (Species)         B 
Rhododendron lancifolium Moench (Species)           
Rhododendron lapponicum (L.) Wahlenb. (Species)         B 
Rhododendron latoucheae Franch. (Species)           
Rhododendron ledebourii Pojark. (Species)         B 
Rhododendron ledicanense (Species)           
Rhododendron lepidostylum Balf.f. & Forrest (Species)           
Rhododendron lepidostylun (Species)           
Rhododendron lepidotum (Species)         B 
Rhododendron lindleyi (Species)         B 
Rhododendron linearifolium Siebold & Zucc. (Species)           
Rhododendron litiense Balf.f. & Forrest (Species)         B 
Rhododendron lochae F.Muell. (Species)         B 
Rhododendron lochiae (Species)         B 
Rhododendron lochmium Balf.f. (Species)         B 
Rhododendron longesquamatum Schneid. (Species)         B 
Rhododendron lukiangense Franch. (Species)           
Rhododendron lutescens Franch. (Species)         B 
Rhododendron luteum Sweet (Species)         BsB
Rhododendron lyi Lév. (Species)           
Rhododendron maackii (Species)         B 
Rhododendron macabeanum Watt ex Balf.f. (Species)           
Rhododendron macgregoriae (Species)           
Rhododendron macrophyllum D.Don ex G.Don (Species)         B 
Rhododendron macrosepalum Maxim. (Species)         BsB
Rhododendron maculiferum Franch. (Species)         B 
Rhododendron maddenii Hook.f. (Species)         B 
Rhododendron magnificum Kingdon-Ward (Species)         B 
Rhododendron makinoi Tagg ex Nakai (Species)         B 
Rhododendron maximum L. (Species)         B 
Rhododendron meddianum Forrest (Species)           
Rhododendron megacalyx (Species)         B 
Rhododendron mekongense (Species)         B 
Rhododendron melianthum (Species)         B 
Rhododendron melinanthum Balf.f. & Kingdon-Ward (Species)           
Rhododendron metternichii Siebold & Zucc. (Species)         BsB
Rhododendron micranthum Turcz. (Species)         B 
Rhododendron microphytum Franch. (Species)         B 
Rhododendron minus Michx. (Species)         B 
Rhododendron molle (Blume) G.Don (Species)     I   B 
Rhododendron molle-Hybride (Species)           
Rhododendron montroseanum Davidian (Species)           
Rhododendron morii Hayata (Species)         B 
Rhododendron moupinense Franch. (Species)         B 
Rhododendron mucronatum G.Don (Species)         B 
Rhododendron mucronulatum Turcz. (Species)         B 
Rhododendron multicolor Miq. (Species)         B 
Rhododendron myiagrum (Species)         B 
Rhododendron myrtifolium Schott & Kotschy (Species)         B 
Rhododendron myrtilloides Balf.f. & Kingdon-Ward (Species)           
Rhododendron nakaharai Hayata (Species)         B 
Rhododendron neriiflorum Franch. (Species)           
Rhododendron nigropunctatum Franch. (Species)          sB
Rhododendron nilagiricum Zenker (Species)           
Rhododendron niphargum Balf.f. & Kingdon-Ward (Species)           
Rhododendron nipponicum Matsum. (Species)         B 
Rhododendron nitidulum Rehder & E.H.Wilson (Species)           
Rhododendron nivale Hook.f. (Species)         B 
Rhododendron niveum Hook.f. (Species)         B 
Rhododendron nudiflorum Torr. (Species)         B 
Rhododendron nudipes Nakai (Species)           
Rhododendron nuttallii Booth ex Nutt. (Species)           
Rhododendron oblongifolium (Small) Millais (Species)         B 
Rhododendron obtusum (Lindl.) Planch. (Species)         B 
Rhododendron occidentale A.Gray (Species)         B 
Rhododendron oldhamii Maximowicz (Species)           
Rhododendron oleifolium Franch. (Species)           
Rhododendron orbiculare DC. (Species)         B 
Rhododendron oreodoxa Franch. (Species)         B 
Rhododendron oreothrephes (Species)           
Rhododendron oreotrephes W.W.Sm. (Species)         BsB
Rhododendron orthocladum Balf.f. & Forrest (Species)         B 
Rhododendron ovatum Maxim. (Species)         B 
Rhododendron pachytrichum Franch. (Species)         B 
Rhododendron paludosum Hutch. & Kingdon-Ward (Species)          sB
Rhododendron paradoxum Balf.f. ex Tagg (Species)           
Rhododendron parmulatum Cowan (Species)           
Rhododendron parvifolium Adams (Species)           
Rhododendron pennsylvanicum Rehder (Species)           
Rhododendron pentaphyllum Maxim. (Species)           
Rhododendron periclymenoides (Michx.) Shinners (Species)         B 
Rhododendron phaeochrysum Balf.f. & W.W.Sm. (Species)           
Rhododendron phoenicodon Balf. f. & Farrer (Species)           
Rhododendron planetum Balf. f. (Species)           
Rhododendron pleistanthum Balf.f. ex Hutch. (Species)           
Rhododendron pogonostylum (Species)         B 
Rhododendron polycladum Franch. (Species)         BsB
Rhododendron polylepis Franch. (Species)         B 
Rhododendron polylepsis (Species)         B 
Rhododendron ponticum L. (Species)         B 
Rhododendron ponticum-Hybride (Species)           
Rhododendron poukhanense H.Lev. (Species)         B 
Rhododendron praecox Carrière (Species)          sB
Rhododendron praevernum Hutch. (Species)         B 
Rhododendron primulaeflorum Bureau et Franch. (Species)           
Rhododendron prinophyllum (Small) Millais (Species)         BsB
Rhododendron pruniflorum Hutch. (Species)           
Rhododendron prunifolium (Small) Millais (Species)         B 
Rhododendron przewalskii Maxim. (Species)         B 
Rhododendron pseudochrysanthum Hayata (Species)           
Rhododendron pseudoyanthinum (Species)         B 
Rhododendron pubescens Balf.f. & Forrest (Species)           
Rhododendron pulchrum Sweet (Species)           
Rhododendron pumilum Hook.f. (Species)         B 
Rhododendron puralbum (Species)         B 
Rhododendron purdomii Rhed. & E.H.Wilson (Species)           
Rhododendron purpurellum (Species)         B 
Rhododendron quinquefolium Biss. & Moore (Species)         B 
Rhododendron racemosum Franch. (Species)         B 
Rhododendron radicans Balf.f. & Forrest (Species)         B 
Rhododendron radicans x Rh.calostrotum (Species)         B 
Rhododendron radistratum (Species)           
Rhododendron rarum Schltr. (Species)         B 
Rhododendron ravum Balf.f. & W.W.Sm. (Species)         B 
Rhododendron repens Balf.f. & Forrest (Species)          sB
Rhododendron reticulatum D.Don ex G.Don (Species)     I   BsB
Rhododendron rex H.Lév. (Species)         B 
Rhododendron rhabdotum Balf. f. (Species)           
Rhododendron rhombicum Miq. (Species)      sI   sB
Rhododendron rigidum Franch. (Species)         B 
Rhododendron ripense Makino (Species)          sB
Rhododendron roseum (Loisel.) Rehder (Species)         BsB
Rhododendron roxieanum Forrest (Species)         B 
Rhododendron rubiginosum Franch. (Species)         B 
Rhododendron rufum Batalin (Species)         B 
Rhododendron rupicola W.W.Sm. (Species)         B 
Rhododendron russatum Balf.f. & Forrest (Species)         B 
Rhododendron saluenense Franch. (Species)         B 
Rhododendron saluense (Species)           
Rhododendron sanctum Nakai (Species)         B 
Rhododendron sanguineum Franch. (Species)           
Rhododendron sargentianum Rehder & E.H.Wilson (Species)           
Rhododendron scabrifolium Franch. (Species)         B 
Rhododendron schlippenbachii Maxim. (Species)         B 
Rhododendron scintillans Balf.f. & W.W.Sm. (Species)         BsB
Rhododendron scyphocalyx Balf.f. & Forrest (Species)           
Rhododendron searsiae Rehder & E.H.Wilson (Species)         B 
Rhododendron semibarbatum Maxim. (Species)         B 
Rhododendron serotinum (Species)         B 
Rhododendron sheperdii Nutt. (Species)           
Rhododendron shepherdii Nutt. (Species)           
Rhododendron sichotense Pojark. (Species)         B 
Rhododendron siderophyllum Franch. (Species)         B 
Rhododendron simsii Planch. (Species)         B 
Rhododendron sinense Sweet (Species)      sI   sB
Rhododendron sinogrande Balf.f. & W.W.Sm. (Species)         B 
Rhododendron smirnowi Trautv. ex Regel (Species)         B 
Rhododendron smirnowii Trautv. (Species)         B 
Rhododendron sordidum Hutch. (Species)           
Rhododendron souliei Franch. (Species)         B 
Rhododendron speciosum (Willd.) Sweet (Species)           
Rhododendron sperabile Balf f. & Farrer (Species)           
Rhododendron spiciferum Franch. (Species)         B 
Rhododendron stenopetalum (Hogg) Mabb. (Species)           
Rhododendron stewartianum Diels (Species)           
Rhododendron stictophyllum Balf f. (Species)          sB
Rhododendron strigillosum (Species)         B 
Rhododendron sulfureum Franch. (Species)           
Rhododendron sutchuenense Franch. (Species)         B 
Rhododendron taggianum Hutchinson ex L.B.Stewart (Species)         B 
Rhododendron taliense Franch. (Species)         B 
Rhododendron tapetiforme Balf.f. & Kingdon-Ward (Species)         B 
Rhododendron tashiroi Maxim. (Species)         B 
Rhododendron tatsienense Franch. (Species)         B 
Rhododendron taxifolium Merr. (Species)           
Rhododendron telmateium (Species)         B 
Rhododendron tephropeplum Balf. f. & Farrer (Species)           
Rhododendron thomsonii Hook.f. (Species)         B 
Rhododendron timeteum Balf.f. & Forrest (Species)          sB
Rhododendron tomentosum (Stokes) Harmaja (Species)           
Rhododendron tosaense Makino (Species)         B 
Rhododendron traillianum Forrest & W.W.Sm. (Species)         B 
Rhododendron trichostomum Franch. (Species)         B 
Rhododendron triflorum Hook.f. (Species)         B 
Rhododendron tsangpoense Kingdon-Ward (Species)         B 
Rhododendron tsariense Cowan (Species)           
Rhododendron tschonoskii Maxim. (Species)         B 
Rhododendron tsusiophyllum Sugimoto (Species)         B 
Rhododendron ungernii Trautv. (Species)         B 
Rhododendron uvarifolium Diels (Species)           
Rhododendron vaseyi A.Gray (Species)         B 
Rhododendron vellereum Hutch. ex Tagg (Species)           
Rhododendron vernicosum Franch. (Species)         B 
Rhododendron villmorinianum Balf.f. (Species)         B 
Rhododendron violaceum Rehder & E.H.Wilson (Species)         B 
Rhododendron viridescens Hutch. (Species)           
Rhododendron viscosum (L.) Torr. (Species)         B 
Rhododendron wadanum Makino (Species)      sI  BsB
Rhododendron wallichii Hook.f. (Species)         B 
Rhododendron wardii W.W.Sm. (Species)         BsB
Rhododendron wardii x yakushimanum (Species)           
Rhododendron wasonii Hemsl. & E.H.Wilson (Species)           
Rhododendron websterianum Rehder & E.H.Wilson (Species)           
Rhododendron wellesleyanum Waterer ex Rehder (Species)           
Rhododendron welleslyanum Waterer ex Rehder (Species)           
Rhododendron weyrichi Maxim. (Species)         B 
Rhododendron wightii Hook.f. (Species)         B 
Rhododendron williamsianum Rehder & E.H.Wilson (Species)         B 
Rhododendron williamsianum-Hybride (Species)         B 
Rhododendron wongii Hemsl & E.H.Wilson (Species)           
Rhododendron wrightii Hook.f. (Species)           
Rhododendron x Hybride (Species)         B 
Rhododendron x arbutifolium Rehder (Species)         B 
Rhododendron x arendsii (Species)           
Rhododendron x aronensis (Species)           
Rhododendron x columbianum (Species)         B 
Rhododendron x gandavense Rehder (Species)           
Rhododendron x halense Gremblich (Species)         BsB
Rhododendron x hybridum (Species)           
Rhododendron x intermedium Tausch (Species)         B 
Rhododendron x kiusianum (Species)           
Rhododendron x kurume (Species)           
Rhododendron x loderi loderi (Species)           
Rhododendron x mixtum Wilson (Species)         B 
Rhododendron x myrtifolium Lodd. (Species)           
Rhododendron x obtusum (Lindl.) Planch. (Species)         B 
Rhododendron x praecox Carrière (Species)         B 
Rhododendron x repens (Species)           
Rhododendron x sheilae sheilae (Species)           
Rhododendron x sochadzeae (Species)           
Rhododendron x viscosepalum Rehder (Species)           
Rhododendron x williamsianum (Species)           
Rhododendron xanthocodon Hutch. (Species)         B 
Rhododendron xanthostephanum (Species)         B 
Rhododendron yakushimanum Nakai (Species)         B 
Rhododendron yedoense Rehder (Species)         B 
Rhododendron yunnanense Franch. (Species)         B 

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