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Index of Botanical Specimens
Name
Rhododendron
Linnaeus
Authorship
Linnaeus
Rank
Genus
NomenclaturalStatus
NomLeg
Placed in
Ericaceae
Jussieu
Contains
Rhododendron aberconwayi
Cowan
Rhododendron aberrans
Tagg & Forrest
Rhododendron abhayae
L.K.Rai
Rhododendron abietifolium
Sleumer
Rhododendron achroanthum
I. B. Balfour & W. W. Smith
Rhododendron acraium
Balf.fil. & W.W.Sm.
Rhododendron acrocline
Sleumer
Rhododendron acrophilum
Merrill & Quisumbing
Rhododendron acuminatum
Hooker f.
Rhododendron adamsii
Rehder
Rhododendron adansonii
Pépin
Rhododendron adenanthum
M.Y.He
Rhododendron adendobracteatum
X.F.Gao & Y.L.Peng
Rhododendron adenobracteum
X.F.Gao & Y.L.Peng
Rhododendron adenogynum
Diels
Rhododendron adenophorum
I. B. Balfour & W. W. Smith
Rhododendron adenopodum
Franch.
Rhododendron adenostemomum
Balf. & W.W.Sm.
Rhododendron adenostemonum
I. B. Balfour & W. W. Smith
Rhododendron adenosum
Davidian
Rhododendron adinophyllum
Merrill
Rhododendron admirabile
Balf.fil. & Forrest
Rhododendron adoxum
Balf.fil. & Forrest
Rhododendron adroserum
Balf.fil. & Forrest
Rhododendron aechmophyllum
Balf.fil. & Forrest
Rhododendron aemulorum
Balf.fil.
Rhododendron aequabile
J. J. Smith
Rhododendron aeruginosum
Hook.fil.
Rhododendron afghanicum
Aitchison & Hemsley
Rhododendron aganniphum
Balfour f. & Kingdon-Ward
Rhododendron agapetum
Balf.fil. & Kingdon-Ward
Rhododendron agastum
I. B. Balfour & W. W. Smith
Rhododendron agathodaemonis
J. J. Smith
Rhododendron agetum
Balf.fil. & Forrest
Rhododendron agglutinatum
Balf.fil. & Forrest
Rhododendron aiolopeplum
Balf.fil. & Forrest
Rhododendron aiolosalpinx
Balf.fil. & Farrer
Rhododendron aischropeplum
Balf.fil. & Forrest
Rhododendron alabamense
Rehder
Rhododendron albertsenianum
Forrest ex I. B. Balfour
Rhododendron albescens
W.Bull
Rhododendron albicans
Waterer ex Zabel
Rhododendron albicaule
H.Lév.
Rhododendron albiflorum
Hooker
Rhododendron alborugosum
G. C. G. Argent & J. Dransfield
Rhododendron albrechtii
Maxim.
Rhododendron album
Blume
Rhododendron algarvense
Page
Rhododendron alpicola
Rehder & E. H. Wilson
Rhododendron alstroemerioides
Lem.
Rhododendron altaclerense
Lindl.
Rhododendron alternans
Sleumer
Rhododendron alticola
Sleumer
Rhododendron alticolum
Sleumer
Rhododendron alutaceum
I. B. Balfour & W. W. Smith
Rhododendron amabile
Sleumer
Rhododendron amagianum
(Makino) Makino ex H.Hara
Rhododendron amakusaense
(Takada ex T.Yamaz.) T.Yamaz.
Rhododendron amamiense
Ohwi
Rhododendron amandum
Cowan
Rhododendron amanoi
Ohwi
Rhododendron amaurophyllum
Balf.fil. & Forrest
Rhododendron ambiguum
Hemsley
Rhododendron amesiae
Rehder & E. H. Wilson
Rhododendron amoenum
(Lindl.) Planch.
Rhododendron amphichlorum
Ingram
Rhododendron amundsenianum
Handel-Mazzetti
Rhododendron anagalliflorum
Wernham
Rhododendron andersonii
Ridl.
Rhododendron andrineae
Danet
Rhododendron angiense
J.J.Sm.
Rhododendron angulatum
J.J.Sm.
Rhododendron angustifolium
Hoppe
Rhododendron anhweiense
E. H. Wilson
Rhododendron annae
Franchet
Rhododendron annamense
Rehder
Rhododendron ×anneliesae
Rehder
Rhododendron anneliesiae
Rehder
Rhododendron anthopogon
D. Don
Rhododendron anthopogonoides
Maximowicz
Rhododendron anthosphaerum
Diels
Rhododendron anwheiense
E.H.Wilson
Rhododendron aperantum
I. B. Balfour & F. K. Ward
Rhododendron apiculatum
Rehder & E. H. Wilson
Rhododendron apiense
Argent
Rhododendron apoanum
Stein
Rhododendron apodectum
Balf.fil. & W.W.Sm.
Rhododendron apradae
U.Rai & Lama
Rhododendron apricum
P.C.Tam
Rhododendron araiophyllum
I. B. Balfour & W. W. Smith
Rhododendron araliiforme
Balf. & Forrest ex Balf.fil.
Rhododendron arborescens
(Pursh) Torrey
Rhododendron arboreum
Smith & W. W. Smith
Rhododendron archboldianum
Sleumer
Rhododendron ardii
Hutabarat, Mambrasar & Mustaqim
Rhododendron arendsii
Arends
Rhododendron arenicolum
Sleumer
Rhododendron arfakianum
Beccari
Rhododendron argenteum
Hooker f.
Rhododendron argipeplum
Balf.fil. & R.E.Cooper
Rhododendron argyi
H.Lév.
Rhododendron argyrophyllum
Franchet
Rhododendron aristatum
Royle
Rhododendron arizelum
I. B. Balfour & Forrest
Rhododendron armitii
F.M.Bailey
Rhododendron aromaticum
Wall.
Rhododendron artosquameum
Balf.fil. & Forrest
Rhododendron arunachalense
D.F.Chamb. & Rae
Rhododendron ashitakayamense
Sugim.
Rhododendron ashleyi
Coker
Rhododendron asmenistum
Balf.fil. & Forrest
Rhododendron asparagoides
Wernham
Rhododendron asperrimum
Sleumer
Rhododendron asperulum
Hutch. & Kingdon-Ward
Rhododendron asperum
J. J. Smith
Rhododendron assamicum
Kingdon-Ward
Rhododendron asteium
Balf.fil. & Forrest
Rhododendron asterochnoum
Diels
Rhododendron astrapiae
F.Först.
Rhododendron astrocalyx
Balf. & Forrest ex Balf.fil.
Rhododendron atentsiense
Hand.-Mazz.
Rhododendron atjehense
Sleumer
Rhododendron atlanticum
(Ashe) Rehder
Rhododendron atrichum
Argent
Rhododendron atropunicum
H. P. Yang
Rhododendron atropurpureum
Sleumer
Rhododendron atrovirens
Franchet
Rhododendron atroviride
Dunn
Rhododendron aucklandii
Hooker f.
Rhododendron aucubifolium
Hemsley
Rhododendron augustinii
Hemsley
Rhododendron aureodorsale
(W.P.Fang ex J.Q.Fu) Y.P.Ma & J.Nielsen
Rhododendron aureum
Georgi
Rhododendron auriculatum
Hemsl.
Rhododendron aurigeranum
Sleumer
Rhododendron auritum
Tagg
Rhododendron australe
Balf.fil. & Forrest
Rhododendron austrinum
Rehder
Rhododendron austrokiusianum
Hatus.
Rhododendron awatosaense
Minamit. & Yonek.
Rhododendron axium
Balf.fil. & Forrest
Rhododendron azaleodendron
M.Vilm. & Bois
Rhododendron azaleoides
Desf. ex Dum.Cours
Rhododendron bachii
H.Lév.
Rhododendron baconii
G. C. G. Argent, A. L. Lamb & A. Philipps
Rhododendron baenitzianum
Lauterbach
Rhododendron baeticum
Boiss. & Reut.
Rhododendron bagobonum
H. F. Copeland
Rhododendron baihuaense
Y.P.Ma
Rhododendron baileyi
Balf.fil.
Rhododendron bailiense
Y.P.Ma, C.Q.Zhang & D.F.Chamb.
Rhododendron bainaense
Xiang Chen & C.H.Yang
Rhododendron bainbridgeanum
Tagg & Forrest
Rhododendron bakeri
(Lemmon & Mc Kay) Hume
Rhododendron balangense
W.P.Fang
Rhododendron balfourianum
Diels
Rhododendron balsaminiflorum
Carriere
Rhododendron bamaense
Z.J.Zhao
Rhododendron banghamiorum
(J. J. Smith) Sleumer
Rhododendron barbatum
Wall. ex G.Don
Rhododendron barkamense
D.F.Chamb.
Rhododendron basfordii
Davidian
Rhododendron basilicum
I. B. Balfour & W. W. Smith
Rhododendron basirotundatum
J.J.Sm.
Rhododendron batangense
Balf.fil. & Forrest
Rhododendron batemanii
Hook.fil.
Rhododendron bathyphyllum
Balf.fil. & Forrest
Rhododendron bauhiniiflorum
Watt ex Hutch.
Rhododendron beanianum
Cowan
Rhododendron beccarii
Sleumer
Rhododendron beesianum
Diels
Rhododendron beimaense
Balf.fil. & Forrest
Rhododendron bellissimum
D.F.Chamb.
Rhododendron benhallii
Craven
Rhododendron benomense
Rafidah & A.C.Elliott
Rhododendron benthamianum
Hemsl.
Rhododendron bergii
Davidian
Rhododendron beyerinckianum
Koorders
Rhododendron bhotanicum
C.B.Clarke
Rhododendron bhutanense
D.G.Long & Bowes Lyon
Rhododendron biappendiculatum
Craven
Rhododendron bicolor
(Aiton) Sweet
Rhododendron bicorniculatum
P.C.Tam
Rhododendron bigener
Steud.
Rhododendron bijiangense
T.L.Ming
Rhododendron bilsianum
hort. ex Lavallée
Rhododendron bivelatum
Balf.fil.
Rhododendron blackii
Sleumer
Rhododendron blandfordiiflorum
Hook.
Rhododendron blandinianum
Martrin-Donos
Rhododendron blandulum
I. B. Balfour & W. W. Smith
Rhododendron blepharocalyx
Franch.
Rhododendron blinii
H.Lév.
Rhododendron bloembergenii
Sleumer
Rhododendron blumei
Nutt.
Rhododendron bodenii
Wernham
Rhododendron bodinieri
Franch.
Rhododendron boninense
Nakai
Rhododendron bonvalotii
Franch.
Rhododendron boothii
Nuttall
Rhododendron borneense
(J. J. Smith) G. C. G. Argent, A. L. Lamb & A. Philipps
Rhododendron brachyandrum
Balf.fil. & Forrest
Rhododendron brachyantherum
Warb. ex P.Sarasin & Sarasin
Rhododendron brachyanthum
Franchet
Rhododendron brachycarpum
D. Don ex Don
Rhododendron brachygynum
H.F.Copel.
Rhododendron brachypodarium
Sleumer
Rhododendron brachypodum
W.P.Fang & P.S.Liu
Rhododendron brachysiphon
Balf.f. ex Hutch.
Rhododendron brachystylum
Balf.fil. & Kingdon-Ward
Rhododendron bracteatum
Rehder & E. H. Wilson
Rhododendron branchyanthum
Franchet
Rhododendron brassii
Sleumer
Rhododendron brentelii
Argent
Rhododendron brettii
Hemsley & E. H. Wilson
Rhododendron brevicaudatum
R.C.Fang & S.S.Chang
Rhododendron brevinerve
Chun & W.P.Fang
Rhododendron breviperulatum
Hayata
Rhododendron brevipes
Sleumer
Rhododendron brevipetiolatum
M.Y.Fang
Rhododendron brevistylum
Franch.
Rhododendron breynii
Planch.
Rhododendron brookeanum
Lowe ex Lindley
Rhododendron broughtonianum
André
Rhododendron brunneifolium
Balf.fil. & Forrest
Rhododendron bryophilum
Sleumer
Rhododendron buergeri
Miq.
Rhododendron bullatum
Franchet
Rhododendron bullifolium
Sleumer
Rhododendron bulu
Hutchinson
Rhododendron bungonishiki
Komatsu
Rhododendron bureavii
Franchet
Rhododendron bureavioides
I. B. Balfour
Rhododendron burgravianum
Loisel.
Rhododendron burjaticum
Malyschev
Rhododendron burmanicum
Hutch.
Rhododendron burmannii
G.Don
Rhododendron burriflorum
Balf.fil. & Forrest
Rhododendron burtii
P. Woods
Rhododendron burttii
P.Woods
Rhododendron buruense
J.J.Sm.
Rhododendron buxifolium
H. Low ex Hooker f.
Rhododendron buxoides
Sleumer
Rhododendron caeruleoglaucum
Balf.fil. & Forrest
Rhododendron caeruleum
H.Lév.
Rhododendron caesium
Hutch.
Rhododendron caespitosum
Sleumer
Rhododendron caespitulum
P.C.Tam
Rhododendron calceolarioides
Wernham
Rhododendron calcicola
Millais
Rhododendron calciphilum
Hutch. & Kingdon-Ward
Rhododendron calendulaceum
(Michaux) Torrey
Rhododendron californicum
Hook.
Rhododendron caliginis
Kores
Rhododendron calleryi
Planch.
Rhododendron callichilioides
Wernham
Rhododendron callimorphum
I. B. Balfour & W. W. Smith
Rhododendron calocodon
Ridley
Rhododendron calophyllum
Nutt.
Rhododendron calophytum
Franchet
Rhododendron calosanthes
Sleumer
Rhododendron calostrotum
I. B. Balfour & F. K. Ward
Rhododendron caloxanthum
Balf.fil. & Farrer
Rhododendron calvescens
I. B. Balfour & Forrest
Rhododendron calycinum
(Lindl.) Planch.
Rhododendron camelliiflorum
Hook.fil.
Rhododendron campanulatum
D.Don
Rhododendron campbelliae
Hook.fil.
Rhododendron campylocarpum
Hooker f.
Rhododendron campylogynum
Franchet
Rhododendron camtschaticum
Pallas
Rhododendron canadense
(Linnaeus) Torrey
Rhododendron canadensis
(Linnaeus, 1762) Torr.
Rhododendron candelabrum
Hooker f.
Rhododendron candidapiculatum
Wernham
Rhododendron candidum
(Small) Rehder
Rhododendron canescens
(Michaux) Sweet
Rhododendron cantabile
Balf.fil. ex Hutch.
Rhododendron capellae
Kores
Rhododendron capitatum
Maximowicz
Rhododendron cardiobasis
Sleumer
Rhododendron cardioeides
Balf.fil. & Forrest
Rhododendron carneum
Hutch.
Rhododendron carolinianum
Rehder
Rhododendron carrii
Sleumer
Rhododendron carringtoniae
F. Mueller
Rhododendron carstensense
Wernham
Rhododendron cartonianum
DC.
Rhododendron caryophyllum
Hayata
Rhododendron catacosmum
I. B. Balfour & Tagg
Rhododendron catanduanense
Merr.
Rhododendron catapastum
Balf.fil. & Forrest
Rhododendron catawbiense
Michaux
Rhododendron catesbaei
J.Forbes
Rhododendron catesbaeum
Dum.Cours.
Rhododendron catesbei
J.Forbes
Rhododendron caucaseum
Sims
Rhododendron caucasicoarboreum
Maund & Hensl.
Rhododendron caucasicum
Pall.
Rhododendron cavaleriei
H.Lév.
Rhododendron cavronii
André
Rhododendron celebicum
de Candolle
Rhododendron cephalanthoides
I. B. Balfour & W. W. Smith
Rhododendron cephalanthum
Franchet
Rhododendron ceraceum
Balf.fil. & W.W.Sm.
Rhododendron cerasianum
Tagg
Rhododendron cerasiflorum
Kingdon-Ward
Rhododendron cerasinum
Tagg
Rhododendron cerinum
Balf.fil. & Forrest
Rhododendron cernuum
Sleumer
Rhododendron cerochitum
Balf.fil. & Forrest
Rhododendron chaetomallum
I. B. Balfour & Forrest
Rhododendron chaffanjonii
H.Lév. ex Hutch.
Rhododendron chalarocladum
Balf.fil. & Forrest
Rhododendron chamaecistus
Cham. & Schltdl.
Rhododendron chamaepitys
Sleumer
Rhododendron chamaethomsonii
(Tagg & Forrest) Cowan & Davidian
Rhododendron chamaetortum
Balf.fil. & Kingdon-Ward
Rhododendron chamaezelum
Balf.fil. & Forrest
Rhododendron chamahense
Rafidah
Rhododendron chamberlainii
Craven
Rhododendron chameunum
Balf.fil. & Forrest
Rhododendron championae
Hook.
Rhododendron championiae
Hook.
Rhododendron changii
(W.P.Fang) W.P.Fang
Rhododendron chaoanense
T.C.Wu & P.C.Tam
Rhododendron chapaense
Dop
Rhododendron chapmanii
(Alph. Wood) A. Gray
Rhododendron charadzeae
A.P.Khokhr. & Mazurenko
Rhododendron charapoeum
Balf.f. & Farrer
Rhododendron charianthum
Hutch.
Rhododendron charidotes
Balf.fil. & Farrer
Rhododendron charitopes
I. B. Balfour & Farrer
Rhododendron charitostreptum
Balf.fil. & Kingdon-Ward
Rhododendron charopoeum
Balf.fil. & Farrer
Rhododendron chartophyllum
Franchet
Rhododendron chasmanthoides
Balf.fil. & Forrest
Rhododendron chasmanthum
Diels
Rhododendron chawchiense
Balf.fil. & Farrer
Rhododendron cheilanthum
Balf.fil. & Forrest
Rhododendron cheiranthifolium
hort. ex Lavallée
Rhododendron chengianum
D.Fang
Rhododendron chengshienianum
W. P. Fang
Rhododendron chevalieri
Dop ex A.Chev.
Rhododendron chienianum
W. P. Fang
Rhododendron chihsinianum
Chun & W.P.Fang
Rhododendron chilanshanense
Kurash.
Rhododendron chiliangense
S.S.Ying
Rhododendron chionanthum
Tagg & Forrest
Rhododendron chionophyllum
Diels
Rhododendron chlanidotum
Balf.fil. & Forrest
Rhododendron chloranthum
Balf.fil. & Forrest
Rhododendron chlorops
Stair
Rhododendron christi
F. Förster
Rhododendron christianae
Sleumer
Rhododendron christianiae
Sleumer
Rhododendron chrysanthum
Pall.
Rhododendron chryseum
Balf.fil. & Kingdon-Ward
Rhododendron chrysocalyx
H.Lév. & Vaniot
Rhododendron chrysodoron
Tagg ex Hutch.
Rhododendron chrysodorum
Tagg ex Hutchinson
Rhododendron chrysolepis
Hutch. & Kingdon-Ward
Rhododendron chrysopeplon
Sleumer
Rhododendron chukirishima
T.Yamaz.
Rhododendron chunienii
Chun & W.P.Fang
Rhododendron chunii
W.P.Fang
Rhododendron ciliatodauricum
Carrière
Rhododendron ciliatopedicellatum
Hayata
Rhododendron ciliatum
Hooker f.
Rhododendron ciliicalyx
Franchet
Rhododendron ciliilobum
Sleumer
Rhododendron ciliipes
Hutchinson
Rhododendron cilipinense
S.Bowler
Rhododendron cinchoniflorum
Sleumer
Rhododendron cinerascens
Sleumer
Rhododendron cinereoserratum
P.C.Tam
Rhododendron cinnabarinum
Hooker f.
Rhododendron cinnamomeum
Wall.
Rhododendron circinnatum
Cowan & Kingdon-Ward ex Cowan
Rhododendron cistiflorum
St.-Lag.
Rhododendron citriniflorum
I. B. Balfour & Forrest
Rhododendron citrinum
Hasskarl
Rhododendron cladotrichum
(Sleumer) Craven
Rhododendron clementinae
Forrest
Rhododendron clementis
Merr.
Rhododendron clivianum
J.Jay Sm.
Rhododendron clivicola
Balf.fil. & W.W.Sm.
Rhododendron cloiophorum
Balf.fil. & Forrest
Rhododendron coccinopeplum
Balf.fil. & Forrest
Rhododendron cochlearifolium
Xiang Chen & Jia Y.Huang
Rhododendron cockburnii
(Argent, A.Lamb & Phillipps) Craven
Rhododendron codonanthum
Balf.fil. & Forrest
Rhododendron coelicum
I. B. Balfour & Farrer
Rhododendron coeloneuron
Diels
Rhododendron coeloneurum
Diels
Rhododendron coelorum
Wernham
Rhododendron coenenii
J.J.Sm.
Rhododendron colemanii
R.F.Mill.
Rhododendron collettianum
Aitchison & Hemsley
Rhododendron colletum
Balf.fil. & Forrest
Rhododendron columbianum
(Piper) Harmaja
Rhododendron comisteum
Balf.fil. & Forrest
Rhododendron commodum
Balf.fil. & Forrest
Rhododendron commonae
F. Förster
Rhododendron commutatum
Sleumer
Rhododendron compactum
Hutch.
Rhododendron comparabile
Sleumer
Rhododendron complexum
I. B. Balfour & W. W. Smith
Rhododendron comptum
C. H. Wright
Rhododendron concatenans
Hutch.
Rhododendron concinnoides
Hutch. & Kingdon-Ward
Rhododendron concinnum
Hemsley
Rhododendron confertissimum
Nakai
Rhododendron coniferum
Wernham
Rhododendron convexum
Sleumer
Rhododendron cookeanum
Davidian
Rhododendron cookeianum
Davidian
Rhododendron coombense
Hemsl.
Rhododendron cooperi
Balf.fil.
Rhododendron copelandii
Merrill
Rhododendron cordatum
H.Lév.
Rhododendron cordifolium
Denham
Rhododendron coreanum
Rehder
Rhododendron coriaceum
Franchet
Rhododendron coriifolium
Sleumer
Rhododendron cornu-bovis
Sleumer
Rhododendron correoides
J. J. Smith
Rhododendron coruscum
Ridley
Rhododendron coryanum
Tagg & Forrest
Rhododendron coryi
Shinners
Rhododendron coryphaeum
Balf.fil. & Forrest
Rhododendron cosmetum
Balf.fil. & Forrest
Rhododendron costulatum
Franch.
Rhododendron cowanianum
Davidian
Rhododendron coxianum
Davidian
Rhododendron crassifolium
Stapf
Rhododendron crassimedium
P.C.Tam
Rhododendron crassinervium
Ridl.
Rhododendron crassistylum
M.Y.He
Rhododendron crassum
Franch.
Rhododendron cravenii
Danet
Rhododendron crebreflorum
Hutch. & Kingdon-Ward
Rhododendron cremastum
Balf.fil. & Forrest
Rhododendron cremnastes
Balf.fil. & Farrer
Rhododendron cremnophilum
Balf.fil. & W.W.Sm.
Rhododendron crenatum
H.Lév.
Rhododendron crenulatum
Hutch. ex Sleumer
Rhododendron cretaceum
P.C.Tam
Rhododendron crinigerum
Franchet
Rhododendron crispiflorum
(Hook.) Planch.
Rhododendron croceum
I. B. Balfour & W. W. Smith
Rhododendron crouxii
(Anon.) Rehder
Rhododendron cruentum
H.Lév.
Rhododendron cruttwellii
Sleumer
Rhododendron cubittii
Hutch.
Rhododendron cucullatum
Handel-Mazzetti
Rhododendron cuffeanum
Craib ex Hutch.
Rhododendron culminicola
F. Mueller
Rhododendron cumberlandense
E. L. Braun
Rhododendron cuneatum
W. W. Smith
Rhododendron cuneifolium
Stapf
Rhododendron cunninghamii
K.Koch
Rhododendron cuprescens
Nitz.
Rhododendron curranii
Merr.
Rhododendron curtisii
T.Moore
Rhododendron curviflorum
J. J. Smith
Rhododendron curvistylum
Hutch. & Kingdon-Ward
Rhododendron cuspidellum
Sleumer
Rhododendron cuthbertii
Small
Rhododendron cyanocarpum
(Franchet) W. W. Smith
Rhododendron cyatheicola
Sleumer
Rhododendron cyclium
Balf.fil. & Forrest
Rhododendron cymbomorphum
Balf.fil. & Forrest
Rhododendron cyrtophyllum
Wernham
Rhododendron dabanshanense
W.P.Fang ex S.X.Wang
Rhododendron dachengense
G.Z.Li
Rhododendron daiyuenshanicum
P.C.Tam
Rhododendron daiyunicum
P.C.Tam
Rhododendron dalhousiae
Hooker f.
Rhododendron dalhousieae
Hook.f.
Rhododendron damascenum
Balf.fil. & Forrest
Rhododendron danbaense
L.C.Hu
Rhododendron danielsianum
Planch.
Rhododendron daphniflorum
Diels
Rhododendron daphnoides
hort. ex Lavallée
Rhododendron dasycladioides
Handel-Mazzetti
Rhododendron dasycladoides
Handel-Mazzetti
Rhododendron dasycladum
I. B. Balfour & W. W. Smith
Rhododendron dasylepis
Schltr.
Rhododendron dasypetalum
Balf.fil. & Forrest
Rhododendron datiandingense
Z.J.Feng
Rhododendron dauricum
Linnaeus
Rhododendron davidi
Franch.
Rhododendron davidii
Franchet
Rhododendron davidsonianum
Rehder & E. H. Wilson
Rhododendron davisiae
Koehne
Rhododendron davisianum
R.I.Milne
Rhododendron davisii
Koehne
Rhododendron dawuense
H.P.Yang
Rhododendron dayaoshanense
L.M.Gao & D.Z.Li
Rhododendron dayiense
M.Y.He
Rhododendron decandrum
(Makino) Makino
Rhododendron deciduum
Andrews ex Steud.
Rhododendron decipiens
Lacaita
Rhododendron declivatum
Ching & H.P.Yang
Rhododendron decorum
Franchet
Rhododendron decumbens
D. Don ex G. Don
Rhododendron deflexum
Griff.
Rhododendron degronianum
Carrière
Rhododendron dekatanum
Cowan
Rhododendron delavayi
Franchet
Rhododendron deleiense
Hutch. & Kingdon-Ward
Rhododendron delicatulum
Sleumer
Rhododendron dendricola
Hutchinson
Rhododendron dendritrichum
Balf.fil. & Forrest
Rhododendron dendrocharis
Franchet
Rhododendron densifolium
K.M.Feng
Rhododendron dentampullum
Chun ex P.C.Tam
Rhododendron denudatum
H. Léveillé
Rhododendron depile
Balf.fil. & Forrest
Rhododendron desquamatum
Balf.fil. & Forrest
Rhododendron detersile
Franch.
Rhododendron detonsum
Balf.fil. & Forrest
Rhododendron detzneranum
Sleumer
Rhododendron detznerianum
Sleumer
Rhododendron devrieseanum
Koord.
Rhododendron diacritum
Balf.fil. & W.W.Sm.
Rhododendron dianthiflorum
(Carrière) Millais
Rhododendron dianthosmum
Sleumer
Rhododendron diaprepes
I. B. Balfour & W. W. Smith
Rhododendron dichroanthum
Diels
Rhododendron dichropeplum
Balf.fil. & Forrest
Rhododendron dictyotum
Balf.fil. ex Tagg
Rhododendron didymum
Balf.fil. & Forrest
Rhododendron dielsianum
Schlechter
Rhododendron dignabile
Cowan
Rhododendron dilatatum
Miq.
Rhododendron dilitatum
Miquel
Rhododendron dimidiatum
Balf.fil.
Rhododendron dimitrum
Balf.fil. & Forrest
Rhododendron diphrocalyx
Balf.fil.
Rhododendron discolor
Franch.
Rhododendron dissilistellatum
Craven
Rhododendron disterigmoides
Sleumer
Rhododendron diversiflorum
Danet
Rhododendron diversipilosum
(Nakai) Harmaja
Rhododendron docimum
Balf.fil. ex Tagg
Rhododendron doctersii
J. J. Smith
Rhododendron dolerum
Balf.fil. & Forrest
Rhododendron doshongense
Tagg
Rhododendron drumonium
Balf.fil. & Kingdon-Ward
Rhododendron dryophyllum
Balf.fil. & Forrest
Rhododendron dubium
King & Gamble
Rhododendron duclouxii
H.Lév.
Rhododendron ×duclouxii
H. Léveillé
Rhododendron dumicola
Tagg & Forrest
Rhododendron dumosulum
Balf.fil. & Forrest
Rhododendron dunnii
E. H. Wilson
Rhododendron durionifolium
Beccari
Rhododendron duseimatum
Balf.fil. & Forrest
Rhododendron dutartrei
Danet
Rhododendron eastmanii
Kron & Creel
Rhododendron ebianense
M.Y.Fang
Rhododendron eclecteum
I. B. Balfour & Forrest
Rhododendron edanoi
Merr. & Quisumb.
Rhododendron edanoii
Merrill & Quisumbing
Rhododendron edgarianum
Rehder & E. H. Wilson
Rhododendron edgarii
Gamble
Rhododendron edgeworthii
Hooker f.
Rhododendron eheinense
M.Y.He & Z.J.Zhao
Rhododendron elaeagnoides
Hook.fil.
Rhododendron elegans
Ridl.
Rhododendron elegantissimum
Davies
Rhododendron elegantulum
Tagg & Forrest
Rhododendron elliottii
G.Watt ex Lace & W.W.Sm.
Rhododendron ellipticum
Maxim.
Rhododendron elongatum
Blume
Rhododendron emaculatum
Balf.fil. & Forrest
Rhododendron emarginatum
Hemsley & E. H. Wilson
Rhododendron emasculum
W.Watson
Rhododendron englerianum
Koorders
Rhododendron enneandrum
DC.
Rhododendron enomotoi
T.Yamaz.
Rhododendron epapillatum
Balf.fil. & Cooper
Rhododendron epilosum
(J.J.Sm.) Argent
Rhododendron epipastum
Balf.fil. & Forrest
Rhododendron erastum
Balf.fil. & Forrest
Rhododendron eriandrum
H.Lév. ex Hutch.
Rhododendron ericoides
H. Low ex Hooker f.
Rhododendron erileucum
Balf.fil. & Forrest
Rhododendron eriobotryoides
Xiang Chen & Jia Y.Huang
Rhododendron eriocarpum
(Hayata) Nakai
Rhododendron eriogynum
Balf.fil. & W.W.Sm.
Rhododendron eriphyllum
I. B. Balfour & W. W. Smith
Rhododendron eritimum
Balf.fil. & W.W.Sm.
Rhododendron erosipetalum
J. J. Smith
Rhododendron erosum
Cowan
Rhododendron erubescens
Hutch.
Rhododendron erythrocalyx
I. B. Balfour & Forrest
Rhododendron esetulosum
I. B. Balfour & Forrest
Rhododendron esquirolii
H.Lév.
Rhododendron euanthum
Balf.fil. & W.W.Sm.
Rhododendron eucallum
Balf.fil. & Forrest
Rhododendron euchaites
Balf.fil. & Forrest
Rhododendron euchroum
Balf.fil. & Kingdon-Ward
Rhododendron eudoxum
I. B. Balfour & Forrest
Rhododendron euonymifolium
H.Lév.
Rhododendron eurysiphon
Tagg & Forrest
Rhododendron evelyneae
Danet
Rhododendron exasperatum
Tagg
Rhododendron excellens
Hemsley & E. H. Wilson
Rhododendron excelsum
A.Chev.
Rhododendron eximium
Nutt.
Rhododendron extraneum
(Sleumer) Craven
Rhododendron extrorsum
J. J. Smith
Rhododendron exuberans
(Sleumer) Argent
Rhododendron eymae
Sleumer
Rhododendron faberi
Hemsley
Rhododendron faberii
Hemsley
Rhododendron faberioides
I. B. Balfour
Rhododendron facetum
Balfour f. & Kingdon-Ward
Rhododendron facium
D.F.Chamb.
Rhododendron faithae
Chun
Rhododendron faithiae
Chun
Rhododendron falcinellum
P.C.Tam
Rhododendron falconeri
Hook.fil.
Rhododendron fallacinum
Sleumer
Rhododendron fangchengense
P.C.Tam
Rhododendron fargesii
Franchet
Rhododendron farinosum
H.Lév.
Rhododendron farrerae
Sweet
Rhododendron farreri
Sweet
Rhododendron fastigiatum
Franchet
Rhododendron fastigifolium
(W.P.Lemmon) H.H.Hume
Rhododendron faucium
D. F. Chamberlain
Rhododendron fauriei
Franch.
Rhododendron feddei
H.Lév.
Rhododendron ferrugineum
L.
Rhododendron fictolacteum
Balf.fil.
Rhododendron filamentosum
Wernham
Rhododendron filidactylis
R.I.Milne
Rhododendron fimbriatum
Hutch.
Rhododendron fissotectum
Balf.fil. & Forrest
Rhododendron fittianum
Balf.fil.
Rhododendron flammeum
(Michaux) Sargent
Rhododendron flavantherum
Hutch. & Kingdon-Ward
Rhododendron flavidum
Franchet
Rhododendron flaviflorum
Elmer ex Merr.
Rhododendron flavoflorum
T.L.Ming
Rhododendron flavorufum
Balf.fil. & Forrest
Rhododendron flavoviride
J. J. Smith
Rhododendron flavum
(Hoffmanns.) G.Don
Rhododendron fletcheranum
Davidian
Rhododendron fletcherianum
Davidian
Rhododendron fleuryi
Dop ex A.Chev.
Rhododendron flinckii
Davidian
Rhododendron floccigerum
Franchet
Rhododendron floribundum
Franch.
Rhododendron floribundun
Franchet
Rhododendron florulentum
P.C.Tam
Rhododendron flosculum
W.P.Fang & G.Z.Li
Rhododendron flumineum
W.P.Fang & M.Y.He
Rhododendron fokienense
Franch.
Rhododendron folkienense
Franchet
Rhododendron fongkaiense
C.N.Wu & P.C.Tam
Rhododendron fordii
Hemsley
Rhododendron formosanum
Hemsl.
Rhododendron formosum
Wall.
Rhododendron forrestii
I. B. Balfour & Diels
Rhododendron forsterianum
hort. ex Rehder
Rhododendron fortunai
Lindley
Rhododendron fortunans
J. J. Smith
Rhododendron fortunei
Lindley
Rhododendron foveolatum
Rehder & E. H. Wilson
Rhododendron fragariflorum
F. K. Ward
Rhododendron fragrans
Paxton
Rhododendron fragrantissimum
Burb. ex Rehder
Rhododendron franchetianum
H.Lév.
Rhododendron franssenianum
J.J.Sm.
Rhododendron fraseri
W.Watson
Rhododendron frey-wysslingii
J. J. Smith
Rhododendron fuchsii
Sleumer
Rhododendron fuchsiiflorum
H.Lév.
Rhododendron fuchsiifolium
H. Léveillé
Rhododendron fuchsioides
Schltr.
Rhododendron fulgens
Hook.fil.
Rhododendron fulvastrum
Balf.fil. & Forrest
Rhododendron fulvoides
Balf.fil. & Forrest
Rhododendron fulvum
I. B. Balfour & W. W. Smith
Rhododendron fumidum
I. B. Balfour & W. W. Smith
Rhododendron furbishii
(W.P.Lemmon & Mc Kay) Leach
Rhododendron fuscipilum
M.Y.He
Rhododendron fuscum
Blume
Rhododendron fuyuanense
Zheng H.Yang
Rhododendron galactinum
I. B. Balfour & Tagg
Rhododendron galioides
J. J. Smith
Rhododendron gandavense
(K.Koch) Rehder
Rhododendron gannanense
Z.C.Feng
Rhododendron gardenia
Schlechter
Rhododendron gaultheriifolium
J. J. Smith
Rhododendron gaultherioides
Boiss.
Rhododendron gemmiferum
Philipson & M. N. Philipson
Rhododendron genestierianum
Forrest
Rhododendron geraldii
(Hutch.) Ivens
Rhododendron germanicum
Hoppe
Rhododendron gibbsiae
J.J.Sm.
Rhododendron gibsonii
Paxton
Rhododendron gideonii
Argent
Rhododendron giganteum
Forrest ex Tagg
Rhododendron gilliardii
Sleumer
Rhododendron giraudiasii
H.Lév.
Rhododendron giulianettii
Lauterbach
Rhododendron glabratum
Hoppe
Rhododendron glabrifilum
J.J.Sm.
Rhododendron glabriflorum
J.J.Sm.
Rhododendron glabrior
Miq.
Rhododendron gladwynense
M.G.Henry
Rhododendron glande
Wight
Rhododendron glanduliferum
Franch.
Rhododendron glandulostylum
W.P.Fang & M.Y.He
Rhododendron glandulosum
(Standl. ex Small) Millais
Rhododendron glaphyrum
Balf.fil. & Forrest
Rhododendron glaucoaureum
Balf.fil. & Forrest
Rhododendron glaucopeplum
Balf.fil. & Forrest
Rhododendron glaucophyllum
Rehder
Rhododendron glischrodes
Tagg & Forrest
Rhododendron glischroides
Tagg & Forrest
Rhododendron glischrum
I. B. Balfour & W. W. Smith
Rhododendron globigerum
Balf.fil. & Forrest
Rhododendron gloeoblastum
Balf.fil. & Forrest
Rhododendron glomerulatum
Hutch.
Rhododendron gloxiniflorum
Millais
Rhododendron gnaphalocarpum
Hayata
Rhododendron gologense
C.J.Xu & Z.J.Zhao
Rhododendron gonggashanense
W.K.Hu
Rhododendron gongshanense
T. L. Ming
Rhododendron goodenoughii
Sleumer
Rhododendron goreri
Davidian
Rhododendron gorumense
Schltr.
Rhododendron gowenianum
Sweet
Rhododendron goyozanense
(M.Kikuchi) Craven
Rhododendron gracile
H.Low ex Lindl.
Rhododendron gracilentum
F. Mueller
Rhododendron gracilescens
(Nakai) Maek.
Rhododendron gracilipes
Franch.
Rhododendron grande
Wight
Rhododendron gratiosum
P.C.Tam
Rhododendron gratum
T.L.Ming
Rhododendron gregarium
Sleumer
Rhododendron griersonianum
I. B. Balfour & Forrest
Rhododendron griffithiana
Wight
Rhododendron griffithianum
Wight
Rhododendron griffithii
Hook.f.
Rhododendron groenlandicum
(Oeder) Kron & Judd
Rhododendron grothausii
Davidian
Rhododendron guangnanense
R.C.Fang
Rhododendron guihainianum
G.Z.Li
Rhododendron guizhongense
G.Z.Li
Rhododendron guizhouense
M.Y.Fang
Rhododendron gumineense
Craven
Rhododendron gymnanthum
Diels
Rhododendron gymnocarpum
Balf.fil. ex Tagg
Rhododendron gymnogynum
Balf.fil. & Forrest
Rhododendron gymnomiscum
Balf.fil. & Kingdon-Ward
Rhododendron habbemae
Koorders
Rhododendron habrotrichum
I. B. Balfour & W. W. Smith
Rhododendron haemaleum
Balf.fil. & Forrest
Rhododendron haematocheilum
Craib
Rhododendron haematodes
Franchet
Rhododendron haematophthalmum
Sleumer
Rhododendron haemonium
Balf.fil. & R.E.Cooper
Rhododendron hainanense
Merr.
Rhododendron halense
Grembl.
Rhododendron hallaisanense
H.Lév.
Rhododendron hameliiflorum
Wernham
Rhododendron hamondi
hort. ex Lavallée
Rhododendron hanceanum
Hemsley
Rhododendron hancockii
Hemsley
Rhododendron hangnoense
Nakai
Rhododendron hangzhouense
W.P.Fang & M.Y.He
Rhododendron hansemannii
Warb.
Rhododendron haofui
Chun & W. P. Fang
Rhododendron hardingii
Forrest ex Tagg
Rhododendron hardyi
Davidian
Rhododendron harrovianum
Hemsl.
Rhododendron hartleyi
Sleumer
Rhododendron hasegawae
S.Watan.
Rhododendron hatamense
Beccari
Rhododendron headfortianum
Hutch.
Rhododendron heatherae
Rushforth
Rhododendron hedyosmum
Balf.fil.
Rhododendron hedythamnum
Balf.fil. & Forrest
Rhododendron heftii
Davidian
Rhododendron heishuiense
W.P.Fang
Rhododendron heizhugouense
M.Y.He & L.C.Hu
Rhododendron hejiangense
M.Y.He
Rhododendron heliolepis
Franchet
Rhododendron hellwigii
Warburg
Rhododendron helodes
Sleumer
Rhododendron helvolum
Balf.fil. & Forrest
Rhododendron hemidartum
Balf.fil. ex Tagg
Rhododendron hemigymnum
(Tagg & Forrest) D.F.Chamb.
Rhododendron hemitrichotum
I. B. Balfour & Forrest
Rhododendron hemsleyanum
E. H. Wilson
Rhododendron henanense
W.P.Fang
Rhododendron henryi
Hance
Rhododendron hepaticum
P.C.Tam
Rhododendron heptamerum
Balf.fil.
Rhododendron heptaster
Gilli
Rhododendron herpesticum
Balf.fil. & Kingdon-Ward
Rhododendron herzogii
Warburg
Rhododendron hesperium
Balf.fil. & Forrest
Rhododendron heteroclitum
H.P.Yang
Rhododendron heterolepis
Danet
Rhododendron hexamerum
Hand.-Mazz.
Rhododendron hidaense
Makino ex H.Hara
Rhododendron hidakanum
H. Hara
Rhododendron hillieri
Davidian
Rhododendron himantodes
Sleumer
Rhododendron himertum
Balf.fil. & Forrest
Rhododendron hippophaeoides
I. B. Balfour & W. W. Smith
Rhododendron hirsuticostatum
Hand.-Mazz.
Rhododendron hirsutiforme
Grembl.
Rhododendron hirsutipetiolatum
R.C.Fang & A.L.Zhang
Rhododendron hirsutum
L.
Rhododendron hirtipes
Tagg
Rhododendron hirtolepidotum
J. J. Smith
Rhododendron hodgsonii
Hooker f.
Rhododendron hoi
W.P.Fang
Rhododendron holmleaense
Rehder
Rhododendron honbanianum
A.Chev. ex Dop
Rhododendron hongkongense
Hutch.
Rhododendron hooglandii
Sleumer
Rhododendron hookeri
Nutt.
Rhododendron horaeum
Balf.fil. & Forrest
Rhododendron horlickianum
Davidian
Rhododendron hormophorum
Balf.fil. & Forrest
Rhododendron hortense
Nakai
Rhododendron houlstonii
Hemsley & E. H. Wilson
Rhododendron huadingense
B.Y.Ding & Y.Y.Fang
Rhododendron huangpingense
Xiang Chen & Jia Y.Huang
Rhododendron huanshanense
S.S.Ying
Rhododendron huanum
W.P.Fang
Rhododendron huguangense
P.C.Tam
Rhododendron huianum
W. P. Fang
Rhododendron huidongense
T.L.Ming
Rhododendron huiyangense
W. P. Fang
Rhododendron hukwangense
P.C.Tam
Rhododendron humicola
I. B. Balfour
Rhododendron hunanense
Chun ex P.C.Tam
Rhododendron hunnewellianum
Rehder & E. H. Wilson
Rhododendron hunsteinii
Argent
Rhododendron hutchinsonianum
W.P.Fang
Rhododendron hyacinthiflorum
Steud.
Rhododendron hyacinthosmum
Sleumer
Rhododendron hybr
Rhododendron hybridogenum
Sleumer
Rhododendron hybridum
Ker Gawl.
Rhododendron hylaeum
I. B. Balfour & Farrer
Rhododendron hylothreptum
I. B. Balfour & W. W. Smith
Rhododendron hymenanthes
Makino
Rhododendron hypenanthum
Balf.fil.
Rhododendron hyperythrum
Hayata
Rhododendron hypoblematosum
P.C.Tam
Rhododendron hypoglaucum
Hemsley
Rhododendron hypolepidotum
(Franch.) Balf.fil. & Forrest
Rhododendron hypoleucophyllum
Makino
Rhododendron hypoleucum
(Kom.) Harmaja
Rhododendron hypophaeum
Balf.fil. & Forrest
Rhododendron hypopitys
Pojark.
Rhododendron hypotrichotum
Balf.fil. & Forrest
Rhododendron hyugaense
(T.Yamaz.) T.Yamaz.
Rhododendron idoneum
Balf.fil. & W.W.Sm.
Rhododendron igneum
Cowan
Rhododendron imberbe
Hutch.
Rhododendron impeanum
Anon.
Rhododendron impeditum
I. B. Balfour & W. W. Smith
Rhododendron imperator
Hutch. & Kingdon-Ward
Rhododendron impositum
J.J.Sm.
Rhododendron impressopunctatum
J. J. Smith
Rhododendron inaequale
(C.B.Clarke) Hutch.
Rhododendron incommodum
Sleumer
Rhododendron inconspicuum
J. J. Smith
Rhododendron indicum
(Linnaeus) Sweet
Rhododendron inobeanum
Honda
Rhododendron inopinum
Balf.fil.
Rhododendron insculptum
Kingdon-Ward
Rhododendron insigne
Hemsley & E. H. Wilson
Rhododendron intermedium
Tausch
Rhododendron intortum
Balf.fil. & Forrest
Rhododendron intranervatum
Sleumer
Rhododendron intricatum
Franchet
Rhododendron inundatum
Sleumer
Rhododendron invasorium
Sleumer
Rhododendron invictum
I. B. Balfour & Farrer
Rhododendron ioanthum
Balf.fil.
Rhododendron iodes
Balf.fil. & Forrest
Rhododendron irroratum
Franchet
Rhododendron iteaphyllum
Hutch.
Rhododendron iteophyllum
Hutch.
Rhododendron ixeuticum
Balf.fil. & W.W.Sm.
Rhododendron iyoense
Nakai
Rhododendron jacksonii
Anon.
Rhododendron jahandiezii
H.Lév.
Rhododendron jangtzowense
Balf.fil. & Forrest
Rhododendron japanoheptamerum
Kitam.
Rhododendron japonicum
C. K. Schneider
Rhododendron japonoheptamerum
Kitam.
Rhododendron jasminiflorum
Hooker
Rhododendron jasminoides
M.Y.He
Rhododendron javanicum
Bennett
Rhododendron jenestierianum
Forrest
Rhododendron jenkinsii
Nutt.
Rhododendron jiewhoei
Argent
Rhododendron jinboense
Xiang Chen & X.Chen
Rhododendron jinchangense
Z.H.Yang
Rhododendron jingangshanicum
P.C.Tam
Rhododendron jinpingense
W.P.Fang & M.Y.He
Rhododendron jinxiuense
W.P.Fang & M.Y.He
Rhododendron jiulongshanense
Xiang Chen & Jia Y.Huang
Rhododendron jodogawa
Hassk.
Rhododendron johnstoneanum
G.Watt ex Hutch.
Rhododendron joniense
Ching & H.P.Yang
Rhododendron jucundum
I. B. Balfour & W. W. Smith
Rhododendron kaempferi
Planch.
Rhododendron kailiense
W.P.Fang & M.Y.He
Rhododendron kaliense
W.P.Fang & M.Y.He
Rhododendron kalmiifolium
hort. ex Lavallée
Rhododendron kamatae
(Mochizuki) Craven
Rhododendron kamtchaticum
Pall.
Rhododendron kamtschaticum
Pallas
Rhododendron kanehirae
E.H.Wilson
Rhododendron kanehirai
E. H. Wilson
Rhododendron kangdingense
Z.J.Zhao
Rhododendron kansuense
Millais
Rhododendron kasoense
Hutch. & Kingdon-Ward
Rhododendron katsumatae
(M.Tash. & H.Hatta) Craven
Rhododendron kawakamii
Hayata
Rhododendron kawir
Danet
Rhododendron keditii
Sleumer
Rhododendron keiskei
Miquel
Rhododendron keleticum
I. B. Balfour & Forrest
Rhododendron kemulense
J. J. Smith
Rhododendron kendrickii
Nutt.
Rhododendron kerowagiense
Argent
Rhododendron kesangiae
D.G.Long & Rushforth
Rhododendron kesselringii
E.L.Wolf
Rhododendron kewense
S.Watson
Rhododendron keysii
Nuttall
Rhododendron keysseri
F.Först.
Rhododendron kialense
Franch.
Rhododendron kiangsiense
W.P.Fang
Rhododendron kinabaluense
Merrill
Rhododendron kingdonii
Merr.
Rhododendron kingianum
Watt
Rhododendron kirkii
Millais
Rhododendron kisoanum
Okuhara ex T.Shimizu
Rhododendron kiusianum
Makino
Rhododendron kiyosumense
(Makino) Makino
Rhododendron kjellbergii
J.J.Sm.
Rhododendron klossii
Ridley
Rhododendron kochii
Stein
Rhododendron kogo
Danet
Rhododendron komatsui
T.Yamaz.
Rhododendron komiyamae
Makino
Rhododendron kongboense
Hutchinson
Rhododendron konori
Beccari
Rhododendron kontumense
Sleumer
Rhododendron korthalsii
Miquel
Rhododendron kosterianum
C. K. Schneider
Rhododendron kotschyi
Simonk.
Rhododendron koudzumontanum
Hid.Takah. & Katsuy.
Rhododendron kouytchense
H.Lév.
Rhododendron kroniae
Craven
Rhododendron kuluense
D.F.Chamb.
Rhododendron kuomeianum
Yu H.Chang, J.Nielsen & Y.P.Ma
Rhododendron kuratanum
S.Watan.
Rhododendron kurohimense
Arakawa
Rhododendron kwangfuense
Chun & W.P.Fang
Rhododendron kwangsiense
Hu
Rhododendron kwangtungense
Merr. & Chun
Rhododendron kwangtungensis
Merrill & Chun
Rhododendron kyawii
Lace & W. W. Smith
Rhododendron kyushuense
Minamit.
Rhododendron labolengense
Ching & H.P.Yang
Rhododendron lacteum
Stapf
Rhododendron laetevirens
Rehder
Rhododendron laetovirens
Rehder
Rhododendron laetum
J. J. Smith
Rhododendron lagopus
Nakai
Rhododendron lagunculicarpum
J. J. Smith
Rhododendron lambianum
Argent
Rhododendron lamii
J. J. Smith
Rhododendron lampongum
Miq.
Rhododendron lampropeplum
Balf.fil. & Forrest
Rhododendron lamprophyllum
Hayata
Rhododendron lamrialianum
Argent & T.J.Barkman
Rhododendron lanatoides
D. F. Chamberlain
Rhododendron lanatum
Hooker f.
Rhododendron lanceolatum
Ridley
Rhododendron lancifolium
Hook.fil.
Rhododendron langbianense
A.Chev. ex Dop
Rhododendron lanigerum
Tagg
Rhododendron laojunense
T.L.Ming
Rhododendron laojunshanense
M.Y.Fang
Rhododendron laoticum
Dop
Rhododendron lapidosum
T.L.Ming
Rhododendron lapponicum
(Linnaeus) Wahlenberg
Rhododendron lasiopodum
Hutchinson
Rhododendron lasiostylum
Hayata
Rhododendron lateriflorum
R.C.Fang & A.L.Zhang
Rhododendron lateritium
(Lindl.) Planch.
Rhododendron laticostum
Ingram
Rhododendron latoucheae
Franchet
Rhododendron laudandum
Cowan
Rhododendron laureola
Schltr.
Rhododendron lauterbachianum
F.Först.
Rhododendron laxiflorum
Balf.fil. & Forrest
Rhododendron leachianum
L. F. Henderson
Rhododendron leclerei
H.Lév.
Rhododendron ledebourii
Pojark.
Rhododendron ledifolium
G.Don
Rhododendron ledoides
I. B. Balfour & W. W. Smith
Rhododendron leei
W.P.Fang
Rhododendron leiboense
Z.J.Zhao
Rhododendron leigongshanense
C.H.Yang, Z.G.Xie, Y.F.Yu & Z.R.Yang
Rhododendron leilungense
Balf.fil. & Forrest
Rhododendron leiopodum
Hayata
Rhododendron leishanicum
W.P.Fang & S.S.Chang ex D.F.Chamb.
Rhododendron lemeei
H.Lév.
Rhododendron lepidanthum
I. B. Balfour & W. W. Smith
Rhododendron lepidostylum
Balf.fil. & Forrest
Rhododendron lepidotum
Wallich & G. Don
Rhododendron leptanthum
Hayata
Rhododendron leptobrachion
Sleumer
Rhododendron leptocarpum
Nuttall
Rhododendron leptocladon
Dop
Rhododendron leptomorphum
Sleumer
Rhododendron leptopeplum
Balf.fil. & Forrest
Rhododendron leptosanthum
Hayata
Rhododendron leptothrium
I. B. Balfour & Forrest
Rhododendron leucandrum
H.Lév.
Rhododendron leucanthum
Bunge
Rhododendron leucaspis
Tagg
Rhododendron leucobotrys
Ridl.
Rhododendron leucogigas
Sleumer
Rhododendron leucolasium
Diels
Rhododendron leucopetalum
Balf.fil. & Forrest
Rhododendron levinei
Merrill
Rhododendron levistratum
Balf.fil. & Forrest
Rhododendron leytense
Merrill
Rhododendron liangshanicum
Z.J.Zhao
Rhododendron liaoxigense
S.L.Tung & Z.Lu
Rhododendron liaoxigensis
S.L.Tung & Z.Lu
Rhododendron liboense
Zheng R.Chen & K.M.Lan
Rhododendron liewianum
Argent, A.Lamb & Phillipps
Rhododendron lilacinum
Xiang Chen & X.Chen
Rhododendron liliiflorum
H. Léveillé
Rhododendron limprichtii
Diels
Rhododendron lindaueanum
Koorders
Rhododendron lindleyi
T. Moore
Rhododendron lineare
Merrill
Rhododendron linearicupulare
P.C.Tam
Rhododendron linearifolium
Siebold & Zuccarini
Rhododendron linearilobum
R.C.Fang & A.L.Chang
Rhododendron lingii
Chun ex Ching
Rhododendron linguiense
G.Z.Li
Rhododendron linnaeoides
Schltr.
Rhododendron liratum
Balf.fil. & Forrest
Rhododendron litangense
Balf.f.
Rhododendron litchiifolium
T.C.Wu & P.C.Tam
Rhododendron lithophilum
Balf.fil. & Kingdon-Ward
Rhododendron litiense
Balf.fil. & Forrest
Rhododendron lobbii
H.J.Veitch
Rhododendron loboense
H. F. Copeland
Rhododendron lochiae
F. Mueller
Rhododendron lochmium
Balf.fil.
Rhododendron loderi
Millais
Rhododendron loerzingii
J. J. Smith
Rhododendron loheri
H.F.Copel.
Rhododendron lohitense
D.Bhattach.
Rhododendron lompohense
J.J.Sm.
Rhododendron longesquamatum
C. K. Schneider
Rhododendron longicalyx
M.Y.Fang
Rhododendron longifalcatum
P.C.Tam
Rhododendron longiflorum
Lindley
Rhododendron longifolium
Nutt.
Rhododendron longilobum
L.M.Gao & D.Z.Li
Rhododendron longipedicellatum
Lei Cai & Y.P.Ma
Rhododendron longiperulatum
Hayata
Rhododendron longipes
Rehder & E. H. Wilson
Rhododendron longistylum
Rehder & E. H. Wilson
Rhododendron loniceriflorum
P.C.Tam
Rhododendron lophogynum
Balf.f.
Rhododendron lophophorum
Balf.fil. & Forrest
Rhododendron lopsangianum
Cowan
Rhododendron loranthiflorum
Sleumer
Rhododendron loureiroanum
G.Don
Rhododendron lowei
Loudon
Rhododendron lowii
Hooker f.
Rhododendron lowndesii
Davidian
Rhododendron luciferum
(Cowan) Cowan
Rhododendron ludlowii
Cowan
Rhododendron ludwigianum
Hosseus
Rhododendron luhuoense
H. P. Yang
Rhododendron lukiangense
Franchet
Rhododendron lulangense
L.C.Hu & Tateishi
Rhododendron lungchiense
W.P.Fang
Rhododendron luraluense
Sleumer
Rhododendron luscombei
W.Watson
Rhododendron lusidusculum
Nakai
Rhododendron lussoniense
Rendle
Rhododendron luteiflorum
(Davidian) Cullen
Rhododendron luteosquamatum
Sleumer
Rhododendron lutescens
Franchet
Rhododendron luteum
Sweet
Rhododendron lyi
Léveillé
Rhododendron lysolepis
Hutch.
Rhododendron maboroense
Schltr.
Rhododendron macabeanum
G.Watt ex Balf.fil.
Rhododendron macgregoriae
F. Mueller
Rhododendron mackenzianum
Forrest
Rhododendron macrocarpos
Griff.
Rhododendron macrocarpum
VanHoutte
Rhododendron macrogemmum
(Nakai) Nakai
Rhododendron macrophyllum
D. Don ex Don
Rhododendron macrosepalum
Maximowicz
Rhododendron macrosiphon
Sleumer
Rhododendron macrosmithii
Davidian
Rhododendron macrostemon
Maxim.
Rhododendron maculiferum
Franchet
Rhododendron maddenii
Hooker f.
Rhododendron madulidii
Argent
Rhododendron magnificum
Kingdon-Ward
Rhododendron magniflorum
W.K.Hu
Rhododendron maguanense
K.M.Feng
Rhododendron mainlingense
S.H.Huang & R.C.Fang
Rhododendron mairei
H.Lév.
Rhododendron maius
(J. J. Smith) Sleumer
Rhododendron makinoi
Tagg ex Nakai
Rhododendron malayanum
Jack
Rhododendron malindangense
Merr.
Rhododendron malipoense
M. Y. He
Rhododendron mallotum
Balf. f. & Kingdon-Ward
Rhododendron malvaticum
Anon.
Rhododendron mandarinorum
Diels
Rhododendron manglesii
H.J.Veitch
Rhododendron manipurense
Balf.fil. & G.Watt
Rhododendron mannophorum
Balf.fil. & Forrest
Rhododendron manopeplum
Balf.fil. & Forrest
Rhododendron maoerense
D.Fang & Q.Z.Li
Rhododendron maowenense
Ching & H.P.Yang
Rhododendron margaretiae
(Ashe) Ashe
Rhododendron margarettae
(Ashe) Ashe
Rhododendron mariae
Hance
Rhododendron mariesii
Hemsley & E. H. Wilson
Rhododendron martinianum
I. B. Balfour & Forrest
Rhododendron matsumurae
Komatsu
Rhododendron maximowiczianum
H.Lév.
Rhododendron maximum
Linnaeus
Rhododendron maxiongense
C.Q.Zhang & D.Paterson
Rhododendron maxwellii
Gibbs
Rhododendron mayebarae
Nakai & H.Hara
Rhododendron mayrii
J.J.Sm.
Rhododendron meagae
Mambrasar & Hutabarat
Rhododendron mechukae
A.A.Mao & A.Paul
Rhododendron meddianum
Forrest
Rhododendron medoense
W.P.Fang & M.Y.He
Rhododendron megacalyx
I. B. Balfour & F. K. Ward
Rhododendron megalanthum
M.Y.Fang
Rhododendron megaphyllum
Balf.fil. & Forrest
Rhododendron megeratum
I. B. Balfour & Forrest
Rhododendron meheratum
I. B. Balfour & Forrest
Rhododendron meijeri
Argent, A.Lamb & Phillipps
Rhododendron mekongense
Franchet
Rhododendron melantherum
Schltr.
Rhododendron melinanthum
Balf.fil. & Kingdon-Ward
Rhododendron meliphagidum
J. J. Smith
Rhododendron mendumiae
Argent
Rhododendron mengtszense
I. B. Balfour & W. W. Smith
Rhododendron menziesii
Craven
Rhododendron meridionale
P. C. Tam
Rhododendron mesaeum
Balf.fil. ex Cowan
Rhododendron mesopolium
Balf.fil. & Forrest
Rhododendron metrium
Balf.fil. & Forrest
Rhododendron metternichii
Siebold & Zucc.
Rhododendron mianningense
Z.J.Zhao
Rhododendron micranthum
Turczaninow
Rhododendron microcarpum
R.L.Liu & L.M.Gao
Rhododendron microgynum
Balf.fil. & Forrest
Rhododendron microleucum
Hutch.
Rhododendron micromalayanum
Sleumer
Rhododendron micromeres
Tagg
Rhododendron microphyllum
J. J. Smith
Rhododendron microphyton
Franchet
Rhododendron milleri
Argent
Rhododendron mimetes
Tagg & Forrest
Rhododendron minahasae
(Sleumer) Craven
Rhododendron mindanaense
Merrill
Rhododendron miniatum
Cowan
Rhododendron minimifolium
Wernham
Rhododendron minus
Michaux
Rhododendron minutiflorum
Hu
Rhododendron minyaense
M. N. Philipson & Philipson
Rhododendron mirabile
Kingdon-Ward
Rhododendron mishmiense
Hutch. & Kingdon-Ward
Rhododendron missionarium
H.Lév.
Rhododendron mitriforme
P.C.Tam
Rhododendron mixtum
E.H.Wilson
Rhododendron miyazawae
Nakai & H.Hara
Rhododendron miyiense
W.K.Hu
Rhododendron mizumotoi
S.Watan.
Rhododendron mjobergii
Merrill
Rhododendron mjoebergii
Merr.
Rhododendron mjoehergii
Merr.
Rhododendron modestum
Hook.fil.
Rhododendron mogeanum
Argent
Rhododendron molle
G. Don
Rhododendron mollianum
Koord.
Rhododendron mollicomum
I. B. Balfour & W. W. Smith
Rhododendron mollyanum
Cowan & Davidian
Rhododendron monanthum
I. B. Balfour & W. W. Smith
Rhododendron monbeigii
Rehder & E. H. Wilson
Rhododendron monkoboense
Argent
Rhododendron monodii
(H.J.Lam) Argent
Rhododendron monosematum
Hutch. & Bot.Mag.
Rhododendron montiganum
T.L.Ming
Rhododendron montroseanum
Davidian
Rhododendron morelianum
Lem.
Rhododendron morii
Hayata
Rhododendron morsheadianum
Millais
Rhododendron mortieri
Sweet
Rhododendron moszkowskii
Schltr.
Rhododendron motsonense
H.Lév.
Rhododendron motsouense
H.Lév.
Rhododendron moulmainense
Hooker f.
Rhododendron moultonii
Ridl.
Rhododendron moupinense
Franchet
Rhododendron mucronatum
(Blume) G. Don
Rhododendron mucronulatum
Turczaninow
Rhododendron muliense
Balf.fil. & Forrest
Rhododendron multicolor
Miquel
Rhododendron multiflorum
(Maxim.) Craven
Rhododendron multinervium
Sleumer
Rhododendron murudense
Merrill
Rhododendron muscicola
J. J. Smith
Rhododendron muscipulum
Danet
Rhododendron mussotii
Franch.
Rhododendron mutabile
Webb ex Royle
Rhododendron myiagrum
Balf.fil. & Forrest
Rhododendron myrsinifolium
Ching ex W.P.Fang & M.Y.He
Rhododendron myrsinites
Sleumer
Rhododendron myrtifolium
Lodd.
Rhododendron myrtilloides
Balf.fil. & Kingdon-Ward
Rhododendron naamkwanense
Merr.
Rhododendron naamkwanensis
Merrill
Rhododendron nagasakianum
Nakai
Rhododendron nakaharae
Hayata
Rhododendron nakaii
Komatsu
Rhododendron nakotiltum
I. B. Balfour & Forrest
Rhododendron nanjianense
K.M.Feng & Z.H.Yang
Rhododendron nankotaisanense
Hayata
Rhododendron nanophyton
Sleumer
Rhododendron nanothamnum
Balf.fil. & Forrest
Rhododendron nanpingense
P.C.Tam
Rhododendron nantouense
S.S.Ying
Rhododendron nanum
H.Lév.
Rhododendron narcissiflorum
Planch.
Rhododendron natalicium
Sleumer
Rhododendron nayarii
G.D.Pal
Rhododendron nebrites
Balf.fil. & Forrest
Rhododendron nebulicola
Danet
Rhododendron neglectum
(Ashe) Ashe
Rhododendron nematocalyx
I. B. Balfour & W. W. Smith
Rhododendron nemorosum
R.C.Fang
Rhododendron neobritannicum
Sleumer
Rhododendron neoglandulosum
Harmaja
Rhododendron nepalense
Voss
Rhododendron neriiflorum
Franchet
Rhododendron neriifolium
Schltr.
Rhododendron nervosulum
Sleumer
Rhododendron nervulosum
Sleumer
Rhododendron ngawchangense
M.N.Philipson & Philipson
Rhododendron ngawchangensis
M.N.Philipson & Philipson
Rhododendron nhatrangense
Dop
Rhododendron nieuwenhuisii
J. J. Smith
Rhododendron nigroglandulosum
Nitz.
Rhododendron nigropunctatum
Bureau & Franch.
Rhododendron niko-montanum
(Komatsu) Nakai
Rhododendron nikoense
(Komatsu) Nakai
Rhododendron nilagiricum
Zenker
Rhododendron ningyuenense
Hand.-Mazz.
Rhododendron niphargum
Balf.fil. & Kingdon-Ward
Rhododendron niphobolum
Balf.f. & Farrer
Rhododendron nipholobum
Balf.fil. & Farrer
Rhododendron nipponicum
Matsum.
Rhododendron nishiokae
H.Hara
Rhododendron nitens
Sleumer
Rhododendron nitidulum
Rehder & E. H. Wilson
Rhododendron nitidum
(Pursh) Torr.
Rhododendron nivale
Hooker f.
Rhododendron niveoflorum
Argent
Rhododendron niveum
Hooker f.
Rhododendron nobile
Wall.
Rhododendron nobleanum
Lindl. ex Millais
Rhododendron nodosum
C.H.Wright
Rhododendron nomophilum
Balf.fil. ex Tagg
Rhododendron norbitonense
W.Sm. ex André
Rhododendron noriakianum
Suzuki
Rhododendron nortoniae
Merr.
Rhododendron notatum
Hutch.
Rhododendron notiale
Craven
Rhododendron nubicola
Wernham
Rhododendron nudiflorum
(Linnaeus) Torrey
Rhododendron nudipes
Nakai
Rhododendron nummatum
J. J. Smith
Rhododendron nuttallii
Booth
Rhododendron nwaiense
Balf.fil. & W.W.Sm.
Rhododendron nyingchiense
R.C.Fang & S.H.Huang
Rhododendron nymphaeoides
W.K.Hu
Rhododendron o-murasaki
Makino
Rhododendron oblancifolium
M.Y.Fang
Rhododendron oblongifolium
(Small) Millais
Rhododendron oblongum
Griff.
Rhododendron obovatum
Hook.fil.
Rhododendron obscurinervium
Merrill
Rhododendron obtusum
Planchon
Rhododendron occidentale
(Torrey & A. Gray) A. Gray
Rhododendron ochraceum
Rehder & E. H. Wilson
Rhododendron ochrocalyx
Delavay ex Millais
Rhododendron octandrum
M.Y.He
Rhododendron odoratum
Sarg.
Rhododendron odoriferum
Hutch.
Rhododendron officinale
Salisb.
Rhododendron oides
Balf.f. & Forrest
Rhododendron oldhamii
Maximowicz
Rhododendron oleifolium
Franch.
Rhododendron oliganthum
Sleumer
Rhododendron oligocarpum
W.P.Fang
Rhododendron ombrochares
Balf.fil. & Kingdon-Ward
Rhododendron ootrichum
(Sleumer) Argent
Rhododendron openshawianum
Rehder & E. H. Wilson
Rhododendron oporinum
Balf.fil. & Kingdon-Ward
Rhododendron opulentum
Sleumer
Rhododendron oranum
J.J.Sm.
Rhododendron orbiculare
Decaisne
Rhododendron orbiculatum
Ridley
Rhododendron oreadum
Wernham
Rhododendron oreinum
Balf.fil.
Rhododendron oreites
Sleumer
Rhododendron oreodoxa
Franchet
Rhododendron oreogenum
L.C.Hu
Rhododendron oreotrephes
W. W. Smith
Rhododendron oresbium
Balf.fil. & Kingdon-Ward
Rhododendron oresterum
Balf.fil. & Forrest
Rhododendron orion
Ridley
Rhododendron ornatum
Sweet
Rhododendron orthocladum
I. B. Balfour & Forrest
Rhododendron osakazuki
Komatsu
Rhododendron osmerum
Balf.fil. & Forrest
Rhododendron osuzuyamense
T.Yamaz.
Rhododendron oulotrichum
Balf.fil. & Forrest
Rhododendron ovatosepalum
Yamam.
Rhododendron ovatum
(Lindley) Planchon ex Maximowicz
Rhododendron oxycoccoides
Sleumer
Rhododendron oxyphyllum
Franch.
Rhododendron pachycarpon
Sleumer
Rhododendron pachyphyllum
W.P.Fang
Rhododendron pachypodum
I. B. Balfour & W. W. Smith
Rhododendron pachysanthum
Hayata
Rhododendron pachystigma
Sleumer
Rhododendron pachytrichum
Franchet
Rhododendron pagophilum
Balf.fil. & Kingdon-Ward
Rhododendron palawanense
(Argent) Craven
Rhododendron pallescens
Hutch.
Rhododendron pallidum
(Turcz.) Dümmer
Rhododendron paludosum
Hutch. & Kingdon-Ward
Rhododendron palustre
Turcz.
Rhododendron pangeanum
A.A.Mao & Bhaumik
Rhododendron pankimense
Cowan & Kingdon-Ward
Rhododendron panteumorphum
Balf.fil. & W.W.Sm.
Rhododendron papillatum
Balf.fil. & Cooper
Rhododendron papuanum
Beccari
Rhododendron papyrociliare
P.C.Tam
Rhododendron paradoxum
Balf.fil.
Rhododendron parishii
C.B.Clarke
Rhododendron parmulatum
Cowan
Rhododendron parryae
Hutch.
Rhododendron parryi
Hutch.
Rhododendron partitum
J.J.Sm.
Rhododendron parviflorum
Dum.Cours.
Rhododendron parvifolium
Adams
Rhododendron parvulum
Sleumer
Rhododendron patuergensis
S.S.Ying
Rhododendron patulum
Kingdon-Ward
Rhododendron pauciflorum
King & Gamble
Rhododendron pectinatum
Hutch.
Rhododendron pelargoniaeflorum
Van Houtte
Rhododendron pemakoense
F. K. Ward
Rhododendron pendulum
Hook.fil.
Rhododendron pennivenium
Balf.fil. & Forrest
Rhododendron pennsylvanicum
(B.E.Harkn.) Rehder
Rhododendron pentamerum
(Maxim.) Matsum. & Nakai
Rhododendron pentandrum
(Maxim.) Craven
Rhododendron pentaphyllum
Maxim.
Rhododendron perakense
King & Gamble
Rhododendron peramabile
Hutch.
Rhododendron peramoenum
Balf.fil. & Forrest
Rhododendron peregrinum
Tagg
Rhododendron periclymenoides
(Michaux) Shinners
Rhododendron perigrinum
Tagg
Rhododendron perplexum
Sleumer
Rhododendron persicinum
Handel-Mazzetti
Rhododendron perulatum
I. B. Balfour & Forrest
Rhododendron petelotii
Dop
Rhododendron petilum
P.C.Tam
Rhododendron petrocharis
Diels
Rhododendron phaedropum
Balf.fil. & Farrer
Rhododendron phaeochiton
F. Mueller
Rhododendron phaeochlorum
Balf.fil. & Forrest
Rhododendron phaeochristum
Sleumer
Rhododendron phaeochrysum
I. B. Balfour & W. W. Smith
Rhododendron phaeopeplum
Sleumer
Rhododendron phaeops
Sleumer
Rhododendron phoeniceum
Don
Rhododendron phoenicodum
Balf.fil. & Farrer
Rhododendron pholidotum
I. B. Balfour & W. W. Smith
Rhododendron piceum
P.C.Tam
Rhododendron piercei
Davidian
Rhododendron pilicalyx
Hutch.
Rhododendron pilostylum
W.K.Hu
Rhododendron pilosum
(Michx. ex Lam.) Craven
Rhododendron pilovittatum
Balf.fil. & W.W.Sm.
Rhododendron pinetorum
P.C.Tam
Rhododendron pingbianense
M.Y.Fang
Rhododendron pingianum
W. P. Fang
Rhododendron pittosporaefolium
Hemsl.
Rhododendron pittosporifolium
Hemsl.
Rhododendron planecostatum
Sleumer
Rhododendron planetum
Balf.fil.
Rhododendron planifolium
Nutt.
Rhododendron platyphyllum
(I. B. Balfour & W. W. Smith) Franchet
Rhododendron platypodum
Diels
Rhododendron plebeium
Balf.fil. & W.W.Sm.
Rhododendron pleianthum
Sleumer
Rhododendron pleistanthum
Wilding & I. B. Balfour
Rhododendron pneumonanthum
Sleumer
Rhododendron pocophorum
I. B. Balfour & Tagg
Rhododendron podocarpoides
Schltr.
Rhododendron poecilodermum
Balf.fil. & Forrest
Rhododendron pogonophyllum
Cowan & Davidian
Rhododendron pogonostylum
I. B. Balfour & W. W. Smith
Rhododendron poilanei
Dop
Rhododendron polifolium
Franch.
Rhododendron poliopeplum
Balf.fil. & Forrest
Rhododendron poluninii
Davidian
Rhododendron polyandrum
Hutch.
Rhododendron polyanthemum
Sleumer
Rhododendron polycladum
Franchet
Rhododendron polylepis
Franchet
Rhododendron polyraphidoideum
P.C.Tam
Rhododendron polytrichum
W.P.Fang
Rhododendron pomense
Cowan & Davidian
Rhododendron ponticum
Linnaeus
Rhododendron populare
Cowan
Rhododendron poremense
J.J.Sm.
Rhododendron porphyranthes
Sleumer
Rhododendron porphyroblastum
Balf.fil. & Forrest
Rhododendron porphyrophyllum
Balf.fil. & Forrest
Rhododendron porrosquameum
Balf.fil. & Forrest
Rhododendron potaninii
Batalin
Rhododendron pothinum
Balf.fil. & Forrest
Rhododendron poukhanense
H.Lév.
Rhododendron praeclarum
Balf.fil. & Farrer
Rhododendron praecox
J.Dix
Rhododendron praestans
I. B. Balfour & W. W. Smith
Rhododendron praeteritum
Hutch.
Rhododendron praetervisum
Sleumer
Rhododendron praevernum
Hutchinson
Rhododendron prainianum
Koorders
Rhododendron prasinocalyx
Balf.fil. & Forrest
Rhododendron pratti
Franchet
Rhododendron prattii
Franch.
Rhododendron preptum
Balf.fil. & Forrest
Rhododendron primuliflorum
Bureau & Franchet
Rhododendron primulifolium
Bureau & Franchet
Rhododendron primulinum
Hemsl.
Rhododendron principis
Bureau & Franchet
Rhododendron prinophyllum
(Small) Millais
Rhododendron pritzelianum
Diels
Rhododendron probum
Balf.fil. & Forrest
Rhododendron procerum
Salisb.
Rhododendron procumbens
(Linnaeus) Alph.Wood
Rhododendron proliferum
Sleumer
Rhododendron pronum
Tagg & Forrest
Rhododendron prophantum
Balf.fil. & Forrest
Rhododendron propinquum
Balf.fil. & Kingdon-Ward ex Tagg
Rhododendron prostratum
(W. W. Smith) R. C. Fang
Rhododendron protandrum
Sleumer
Rhododendron proteoides
I. B. Balfour & W. W. Smith
Rhododendron protistum
I. B. Balfour & Forrest
Rhododendron pruhonicianum
Kavka
Rhododendron pruniflorum
Hutch. & Kingdon-Ward
Rhododendron prunifolium
(Small) Millais
Rhododendron przewalskii
Maximowicz
Rhododendron psammogenes
Sleumer
Rhododendron pseudobuxifolium
Sleumer
Rhododendron pseudochrysanthum
Hayata
Rhododendron pseudociliicalyx
Hutch.
Rhododendron pseudociliipes
Cullen
Rhododendron pseudomaddenii
A.A.Mao & Bhaumik
Rhododendron pseudomurudense
Sleumer
Rhododendron pseudonitens
Sleumer
Rhododendron pseudotrichanthum
Sleumer
Rhododendron pseudoyanthinum
Balf.fil. ex Hutch.
Rhododendron psilanthum
Sleumer
Rhododendron psilostylum
(Rehder & E.H.Wilson) Balf.fil.
Rhododendron pubescens
I. B. Balfour & Forrest
Rhododendron pubicostatum
T.L.Ming
Rhododendron pubigermen
J. J. Smith
Rhododendron pubigerum
Balf.fil. & Forrest
Rhododendron pubitubum
Sleumer
Rhododendron pudiense
Xiang Chen & Jia Y.Huang
Rhododendron pudingense
X.Y.Dai, C.H.Yang & Y.P.Ma
Rhododendron pudorinum
Sleumer
Rhododendron pudorosum
Cowan
Rhododendron pugeense
L.C.Hu
Rhododendron pulchellum
Salisb.
Rhododendron pulcherrimum
Lindl.
Rhododendron pulchroides
Chun & W.P.Fang
Rhododendron pulchrum
Sweet
Rhododendron pulleanum
Koorders
Rhododendron pumilum
Hook.fil.
Rhododendron punctatum
Andrews
Rhododendron punctifolium
L.C.Hu
Rhododendron puniceum
(Sweet ex Poit.) Planch.
Rhododendron puralbum
I. B. Balfour & W. W. Smith
Rhododendron purdomii
Rehder & E. H. Wilson
Rhododendron purpureiflorum
J. J. Smith
Rhododendron purpureum
Komatsu
Rhododendron purshii
G.Don
Rhododendron pusillum
J. J. Smith
Rhododendron pycnocladum
Balf.fil. & W.W.Sm.
Rhododendron pyrrhoanthum
Balf.f.
Rhododendron pyrrhophorum
Sleumer
Rhododendron qianyangense
M.Y.He
Rhododendron qiaojiaense
L.M.Gao & D.Z.Li
Rhododendron qinghaiense
Ching ex W.Y.Wang
Rhododendron quadrasianum
S. Vidal
Rhododendron quinquefolium
Bisset & S.Moore
Rhododendron racemosum
Franchet
Rhododendron radendum
W.P.Fang
Rhododendron radians
J. J. Smith
Rhododendron radicans
Balf.fil. & Forrest
Rhododendron radinum
I. B. Balfour & W. W. Smith
Rhododendron ramentaceum
(Lindl.) Planch.
Rhododendron ramipilosum
T.L.Ming
Rhododendron ramosissimum
Franch.
Rhododendron ramsdenianum
Cowan
Rhododendron randaiense
Hayata
Rhododendron rappardii
Sleumer
Rhododendron rarilepidotum
J. J. Smith
Rhododendron rarolepidotum
J. J. Smith
Rhododendron rarosquameum
Balf.fil.
Rhododendron rarum
Schlechter
Rhododendron rasile
Balf.fil. & W.W.Sm.
Rhododendron ravum
Balf.fil. & W.W.Sm.
Rhododendron rawatii
I.D.Rai & B.S.Adhikari
Rhododendron recurvoides
Tagg & Kingdon-Ward
Rhododendron recurvum
I. B. Balfour & Forrest
Rhododendron redowskianum
Maxim.
Rhododendron reevei
Argent
Rhododendron regale
Balf.fil. & Kingdon-Ward
Rhododendron reginaldii
Balf.fil. & Forrest
Rhododendron renschianum
Sleumer
Rhododendron repens
Balf.fil. & Forrest
Rhododendron reticulatum
D. Don
Rhododendron retivenium
Sleumer
Rhododendron retrorsipilum
Sleumer
Rhododendron retusum
(Blume) Bennett
Rhododendron revolutum
Sleumer
Rhododendron rex
H. Léveillé
Rhododendron reynosoi
Argent
Rhododendron rhabdotum
Balf.fil. & Cooper
Rhododendron rhaibocarpum
Balf.fil. & W.W.Sm.
Rhododendron rhantum
Balf.fil. & W.W.Sm.
Rhododendron rhodanthum
M.Y.He
Rhododendron rhodochroum
Sleumer
Rhododendron rhododactylum
Millais
Rhododendron rhodoleucum
Sleumer
Rhododendron rhodopus
Sleumer
Rhododendron rhodora
J. G. Gmelin
Rhododendron rhodosalpinx
Sleumer
Rhododendron rhodostomum
Sleumer
Rhododendron rhombicum
Miq.
Rhododendron rhombifolium
R. C. Fang
Rhododendron rhuyuenense
Chun ex P.C.Tam
Rhododendron rigidum
Franchet
Rhododendron rimicola
X.L.Tian, Y.P.Ma & J.Nielsen
Rhododendron ripaecola
P.C.Tam
Rhododendron riparioides
(Cullen) Cubey
Rhododendron riparium
Kingdon-Ward ex Hutch.
Rhododendron ripense
Makino
Rhododendron ripicola
P.C.Tam
Rhododendron ripleyi
Merrill
Rhododendron ririei
Hemsley & E. H. Wilson
Rhododendron rivulare
Handel-Mazzetti
Rhododendron robinsonii
Ridley
Rhododendron robustissimum
Lindl. ex C.K.Schneid.
Rhododendron rockii
E. H. Wilson
Rhododendron rollissonii
Lindl.
Rhododendron roseatum
Hutchinson
Rhododendron roseiflorum
P. F. Stevens
Rhododendron rosendahlii
Sleumer
Rhododendron roseotinctum
Balf.fil. & Forrest
Rhododendron roseum
(Loiseleur-Deslongchamps) Rehder
Rhododendron rosifaciens
R.I.Milne
Rhododendron rosmarinifolium
S. Vidal
Rhododendron rosthornii
Diels
Rhododendron rothschildii
Davidian
Rhododendron rotundifolium
Franch.
Rhododendron rousei
G. C. G. Argent & D. A. Madulid
Rhododendron rovellii
Leroy
Rhododendron roxieanum
Forrest
Rhododendron roxieoides
D.F.Chamb.
Rhododendron roylei
Hook.fil.
Rhododendron rubellum
Sleumer
Rhododendron rubiginosum
Franchet
Rhododendron rubineiflorum
Craven
Rhododendron rubrantherum
Kingdon-Ward
Rhododendron rubrobracteatum
Sleumer
Rhododendron rubrolineatum
Balf.fil. & Forrest
Rhododendron rubroluteum
Davidian
Rhododendron rubropilosum
Hayata
Rhododendron rubropunctatum
Hayata
Rhododendron rubrum
Davidian
Rhododendron rude
Tagg & Forrest
Rhododendron rufescens
Franchet
Rhododendron rufohirtum
Handel-Mazzetti
Rhododendron rufosquamosum
Hutchinson
Rhododendron rufulum
P.C.Tam
Rhododendron rufum
Batalin
Rhododendron rugosum
Lowe
Rhododendron rupicola
W. W. Smith
Rhododendron rupivalleculatum
P.C.Tam
Rhododendron rushforthii
Argent & D.Chamb.
Rhododendron russatum
I. B. Balfour & Forrest
Rhododendron russelianum
Sweet
Rhododendron russotinctum
Balf.fil. & Forrest
Rhododendron ruttenii
J. J. Smith
Rhododendron saavedranum
Diels
Rhododendron saisiuense
Nakai
Rhododendron sajanense
Stepanov
Rhododendron sajanensis
Stepanov
Rhododendron sakawanum
Makino
Rhododendron salicifolium
Beccari
Rhododendron salignum
Hook.fil.
Rhododendron salmoneum
Voss
Rhododendron saluenense
Franchet
Rhododendron sanctum
Nakai
Rhododendron ×sanderi
E. H. Wilson
Rhododendron sanderi
E.H.Wilson & Rehder
Rhododendron sanguineum
Franchet
Rhododendron sanidodeum
P.C.Tam
Rhododendron sanquineum
Franchet
Rhododendron santapaui
Sastry, Kataki, Pet.A.Cox, Pat.Cox & Hutchison
Rhododendron sarasinorum
Warb.
Rhododendron saravanense
Dop
Rhododendron sarcodes
Argent & Madulid
Rhododendron sargentianum
Rehder & E. H. Wilson
Rhododendron saruwagedicum
F. Förster
Rhododendron sasakii
E. H. Wilson
Rhododendron sataense
Nakai
Rhododendron satsumense
Hatus.
Rhododendron saxatile
B. Y. Ding & Y. Y. Fang
Rhododendron saxicola
Sleumer
Rhododendron saxifragoides
J. J. Smith
Rhododendron sayeri
Sleumer
Rhododendron scabridibracteum
Sleumer
Rhododendron scabrifolium
Franchet
Rhododendron scabrum
G. Don
Rhododendron scarlatinum
Sleumer
Rhododendron schadenbergii
Warb.
Rhododendron schistocalyx
Balf.fil. & Forrest
Rhododendron schizopeplum
Balf.fil. & Forrest
Rhododendron schizostigma
Sleumer
Rhododendron schlechteri
Lauterb.
Rhododendron schlippenbachii
Maximowicz
Rhododendron schoddei
Sleumer
Rhododendron schultzei
Schltr.
Rhododendron sciaphilum
Balf.fil. & Kingdon-Ward
Rhododendron scintillans
I. B. Balfour & W. W. Smith
Rhododendron sclerocladum
Balf.fil. & Forrest
Rhododendron scopulorum
Hutchinson
Rhododendron scopulum
(G.Z.Li) G.Z.Li
Rhododendron scortechinii
King & Gamble
Rhododendron scottianum
Hutch.
Rhododendron scottiatum
Hutch.
Rhododendron scyphocalyx
Balf.fil. & Forrest
Rhododendron searleanum
Sleumer
Rhododendron searsiae
Rehder & E. H. Wilson
Rhododendron seguinii
H.Lév.
Rhododendron seimundii
J. J. Smith
Rhododendron seinghkuense
Kingdon-Ward ex Hutchinson
Rhododendron seingkuense
F. K. Ward
Rhododendron sekidera
Komatsu
Rhododendron sekimori
Komatsu
Rhododendron selense
Franchet
Rhododendron semibarbatum
Maxim.
Rhododendron semilunatum
Balf.fil. & Forrest
Rhododendron semnoides
Tagg & Forrest
Rhododendron semnum
Balf.fil. & Forrest
Rhododendron seniavinii
Maxim.
Rhododendron seranense
J.J.Sm.
Rhododendron seranicum
J. J. Smith
Rhododendron sericocalyx
Balf.fil.
Rhododendron serotinum
Hutch.
Rhododendron serpens
Balf.fil. & Forrest
Rhododendron serpyllifolium
(A. Gray) Miquel
Rhododendron serrulatum
Millais
Rhododendron sessilifolium
J. J. Smith
Rhododendron sesterianum
J.J.Veitch
Rhododendron setiferum
Balf.fil. & Forrest
Rhododendron setosum
D.Don
Rhododendron seymourii
Herb. ex Otto & Dietr.
Rhododendron shaanxiense
W.P.Fang & Z.J.Zhao
Rhododendron shangyounicum
L.M.Cao & R.L.Liu
Rhododendron shanii
W.P.Fang
Rhododendron shaoakouense
S.S.Ying
Rhododendron sheilae
Sleumer
Rhododendron sheltonae
Hemsley & E. H. Wilson
Rhododendron sheltoniae
Hemsl. & E.H.Wilson
Rhododendron sheltonii
Hemsley & E. H. Wilson
Rhododendron shensiense
Ching
Rhododendron shepherdii
Nutt.
Rhododendron sherriffii
Cowan
Rhododendron shikokianum
Makino
Rhododendron shilsonii
Dallim.
Rhododendron shimenense
Q.X.Liu & C.M.Zhang
Rhododendron shimianense
W.P.Fang & P.S.Liu
Rhododendron shimidzuanum
Honda ex Makino & Nemoto
Rhododendron shingbae
C.S.Purohit & Ram.Kumar
Rhododendron shiwandashanense
P.C.Tam
Rhododendron shojoense
Hayata
Rhododendron shojoensis
Hayata
Rhododendron shweliense
Balf.fil. & Forrest
Rhododendron siamense
Diels
Rhododendron siamensis
Diels
Rhododendron sichotense
Pojark.
Rhododendron sidereum
I. B. Balfour
Rhododendron siderophylloides
Hutch.
Rhododendron siderophyllum
Franchet
Rhododendron sieboldii
Miq.
Rhododendron sigillatum
Balf.fil. & Forrest
Rhododendron sikangense
R. C. Fang
Rhododendron sikayotaizanense
Masam.
Rhododendron silvaticum
Cowan
Rhododendron silvicola
(Sleumer) Argent, A.L.Lamb, Phillipps & Collen.
Rhododendron simiarum
Hance
Rhododendron simsii
Planchon
Rhododendron simulans
J.J.Sm. ex Sleumer
Rhododendron sinense
(G.Lodd.) Sweet
Rhododendron sinensis
(Lodd.) Sweet
Rhododendron sinofalconeri
I. B. Balfour
Rhododendron sinogrande
I. B. Balfour & W. W. Smith
Rhododendron sinolepidotum
Balf.fil.
Rhododendron sinonuttallii
I. B. Balfour & Forrest
Rhododendron sinosimulans
D.F.Chamb.
Rhododendron sinovaccinioides
Balf.fil. & Forrest
Rhododendron siobriense
Argent
Rhododendron sleumeri
Gilli
Rhododendron smilesii
Hutch.
Rhododendron smirnowii
Trautv.
Rhododendron smithii
Sweet
Rhododendron smokianum
Ralf Bauer & Albach
Rhododendron sochadzeae
Char. & Davlian.
Rhododendron sohayakiense
Y.Watan. & T.Yukawa
Rhododendron sojolense
Argent
Rhododendron solitarium
Sleumer
Rhododendron sonomense
Greene
Rhododendron sophistarum
Craven
Rhododendron sordidum
Hutch.
Rhododendron sororium
Sleumer
Rhododendron souliei
Franchet
Rhododendron sp.
Rhododendron spadiceum
P.C.Tam
Rhododendron spanotrichum
I. B. Balfour & W. W. Smith
Rhododendron sparsiflorum
Nutt
Rhododendron sparsifolium
W.P.Fang
Rhododendron spathulatum
Ridley
Rhododendron spec
(Linnaeus, 1753) Wahlenb.
Rhododendron speciosum
Sweet
Rhododendron spectabile
Merrill
Rhododendron sperabile
I. B. Balfour & Farrer
Rhododendron sperabiloides
Tagg & Forrest
Rhododendron sphaeranthum
Balf.fil. & W.W.Sm.
Rhododendron sphaeroblastum
I. B. Balfour & Forrest
Rhododendron spiciferum
Franchet
Rhododendron spilanthum
Hutch.
Rhododendron spilotum
I. B. Balfour & Farrer
Rhododendron spinigerum
H.Lév.
Rhododendron spinuliferum
Franchet
Rhododendron spinulosum
W.Watson ex Bean
Rhododendron splendens
hort. ex Lavallée
Rhododendron spodopeplum
Balf.fil. & Farrer
Rhododendron spondylophyllum
F. Mueller
Rhododendron spooneri
Hemsley & E. H. Wilson
Rhododendron squarrosum
Balf.fil.
Rhododendron stamineum
Franchet
Rhododendron standishii
Paxton
Rhododendron stanleyi
S.A.James & Argent
Rhododendron stanwellianum
Millais
Rhododendron stapfianum
Hemsley ex Prain
Rhododendron starlingii
Rushforth & N.T.T.Huong
Rhododendron stelligerum
Sleumer
Rhododendron stenaulum
I. B. Balfour & W. W. Smith
Rhododendron stenopetalum
(R.Hogg) Mabb.
Rhododendron stenophyllum
Hooker f.
Rhododendron stenoplastum
Balf.fil. & Forrest
Rhododendron stereophyllum
Balf.fil. & W.W.Sm.
Rhododendron stevensianum
Sleumer
Rhododendron stewartianum
Diels
Rhododendron stictophyllum
Balf.fil.
Rhododendron stolleanum
Schltr.
Rhododendron stonori
Sleumer
Rhododendron stresemannii
J. J. Smith
Rhododendron strigillosum
Franchet
Rhododendron strigosum
R.L.Liu
Rhododendron suaveolens
Sleumer
Rhododendron subansiriense
Chamb. & Cox
Rhododendron subarcticum
Harmaja
Rhododendron subcerinum
P.C.Tam
Rhododendron subcordatum
Beccari
Rhododendron subcrenulatum
Sleumer
Rhododendron subdeciduum
Sweet
Rhododendron subdissitifolium
P. F. Stevens
Rhododendron subenerve
P. C. Tam
Rhododendron suberosum
Balf.fil. & Forrest
Rhododendron subespitatum
Chun ex P.C.Tam
Rhododendron subestipitatum
Chun ex P.C.Tam
Rhododendron subflumineum
P.C.Tam
Rhododendron sublanceolatum
Miq.
Rhododendron subnikomontanum
Sutô & T.Suzuki
Rhododendron subpacificum
Sleumer
Rhododendron subroseum
Xiang Chen & Jia Y.Huang
Rhododendron subsessile
Rendle
Rhododendron subulatum
(Nakai) Harmaja
Rhododendron subuliferum
Sleumer
Rhododendron subulosum
J. J. Smith ex Sleumer
Rhododendron succothii
Davidian
Rhododendron sugaui
Argent
Rhododendron sulfureum
Franchet
Rhododendron sumatranum
Merrill
Rhododendron suoilenhense
D.F.Chamb., N.T.T.Huong & Rushforth
Rhododendron superbum
Sleumer
Rhododendron superponticum
Cullen
Rhododendron supranubium
Hutch.
Rhododendron surasianaum
Balf.f. & Craib
Rhododendron surasianum
Balf.fil. & Craib
Rhododendron surugaense
Sugim. ex Kurata
Rhododendron sutcheunense
Franch.
Rhododendron sutchuenense
Franchet
Rhododendron sycnanthum
Balf.fil. & W.W.Sm.
Rhododendron syncollum
Balf.fil. & Forrest
Rhododendron syringoideum
Sleumer
Rhododendron taggianum
Hutchinson
Rhododendron taibaiense
Ching & H.P.Yang
Rhododendron taiense
Hutch.
Rhododendron taipaoense
T.C.Wu & P.C.Tam
Rhododendron taishunense
B.Y.Ding & Y.Y.Fang
Rhododendron taiwanalpinum
Ohwi
Rhododendron taiwanianum
S.S.Ying
Rhododendron takahashianum
Sugim.
Rhododendron takanashianum
Sugim.
Rhododendron takeuchii
Argent
Rhododendron taliense
Franchet
Rhododendron tamaense
Davidian
Rhododendron tamurae
(Makino) Masam.
Rhododendron tamurai
(Makino) Masam.
Rhododendron tanakai
Hayata
Rhododendron tanastylum
Balfour f. & Kingdon-Ward
Rhododendron tapeinum
Balf.fil. & Farrer
Rhododendron tapelouense
H.Lév.
Rhododendron tapetiforme
I. B. Balfour & F. K. Ward
Rhododendron taquetii
H.Lév.
Rhododendron taronense
Hutchinson
Rhododendron tashiroi
Maxim.
Rhododendron tatsienense
Franchet
Rhododendron tatuoi
Nakai ex H.Hara
Rhododendron tawadae
(Ohwi) Ohwi
Rhododendron tawangense
K.C.Sahni & H.B.Naithani
Rhododendron taxifolium
Merrill
Rhododendron taxoides
J. J. Smith
Rhododendron taylorii
H.J.Veitch
Rhododendron tebotan
Komatsu
Rhododendron tectum
Koidz.
Rhododendron telmateium
I. B. Balfour & W. W. Smith
Rhododendron telopeum
Balf.fil. & Forrest
Rhododendron temenium
I. B. Balfour & Forrest
Rhododendron tenue
Ching ex W.P.Fang & M.Y.He
Rhododendron tenuifolium
R.C.Fang & S.H.Huang
Rhododendron tenuilaminare
P.C.Tam
Rhododendron tephropeploides
R.A.Baines & D.F.Chamb.
Rhododendron tephropeplum
I. B. Balfour & Farrer
Rhododendron tetramerum
(Makino) Nakai
Rhododendron teysmannii
Miq.
Rhododendron thaumasianthum
Sleumer
Rhododendron thayerianum
Rehder & E. H. Wilson
Rhododendron theiochroum
I. B. Balfour & W. W. Smith
Rhododendron theiophyllum
Balf.fil. & Forrest
Rhododendron thibaudiense
Dombrain
Rhododendron thomsonii
Hooker f.
Rhododendron thunbergii
Planch.
Rhododendron thymifolium
Maximowicz
Rhododendron thyodocum
Balf.fil. & Cooper
Rhododendron tianlinense
P.C.Tam
Rhododendron tianmenshanense
C.L.Peng & L.H.Yan
Rhododendron tiantangense
G.Z.Li
Rhododendron tigrinum
Steud.
Rhododendron timeteum
Balf.fil. & Forrest
Rhododendron tingwuense
P.C.Tam
Rhododendron tintinnabellum
Danet
Rhododendron titapuriense
A.A.Mao, K.N.E.Cox & D.F.Chamb.
Rhododendron tjiasmantoi
Mustaqim, Mambrasar & Hutabarat
Rhododendron tolmachevii
Harmaja
Rhododendron tomentosum
Harmaja
Rhododendron torajaense
Craven
Rhododendron torkonianum
hort. ex Lavallée
Rhododendron torquatum
Balf.fil. & Farrer
Rhododendron torquescens
D.F.Chamb.
Rhododendron torricellense
Schltr.
Rhododendron tosaense
Makino
Rhododendron toverenae
F.Muell.
Rhododendron toxopei
J.J.Sm.
Rhododendron trailianum
Forrest & W. W. Smith
Rhododendron traillianum
Forrest & W. W. Smith
Rhododendron trancongii
Argent & Rushforth
Rhododendron transiens
Nakai
Rhododendron trichanthum
Rehder
Rhododendron trichocalyx
Ingram
Rhododendron trichocladum
Franchet
Rhododendron trichogynum
L.C.Hu
Rhododendron trichomiscum
Balf.fil. & Forrest
Rhododendron trichophlebium
Balf.fil. & Forrest
Rhododendron trichophorum
Balf.fil.
Rhododendron trichopodum
Balf.fil. & Forrest
Rhododendron trichostomum
Franchet
Rhododendron triflorum
Hooker f.
Rhododendron trilectorum
Cowan
Rhododendron trinerve
Franch. ex Boissieu
Rhododendron triplonaevium
I. B. Balfour & Forrest
Rhododendron trispidum
Torr.
Rhododendron tritifolium
Balf.fil. & Forrest
Rhododendron triumphans
Yersin & A.Chev.
Rhododendron truncatovarium
L. M. Gao & D. Z. Li
Rhododendron truncatulum
Balf.fil. & Forrest
Rhododendron truncicola
Sleumer
Rhododendron tsaii
W. P. Fang
Rhododendron tsangpoense
Kingdon-Ward
Rhododendron tsariense
Cowan
Rhododendron tsarongense
Balf.fil. & Forrest
Rhododendron tschonoskii
Maximowicz
Rhododendron tsinlingense
W.P.Fang ex J.Q.Fu
Rhododendron tsoi
Merrill
Rhododendron tsurugisanense
(Yamaz.) T.Yamaz.
Rhododendron tsusiophyllum
Sugim.
Rhododendron tuba
Sleumer
Rhododendron tuberculiferum
J. J. Smith
Rhododendron tubiflorum
(Blume) DC.
Rhododendron tubiforme
(Cowan & Davidian) Davidian
Rhododendron tubulosum
Ching ex W.Y.Wang
Rhododendron tuhanense
Argent & T.J.Barkman
Rhododendron tuhanensis
Argent & T.J.Barkman
Rhododendron tutcherae
Hemsley & E. H. Wilson
Rhododendron uliginosum
J.J.Sm.
Rhododendron ultimum
Wernham
Rhododendron umbelliferum
H. Léveillé
Rhododendron unciferum
P.C.Tam
Rhododendron undulaticalyx
J.J.Sm.
Rhododendron undulatum
Steud.
Rhododendron ungeonticum
A.P.Khokhr. & Mazurenko
Rhododendron ungernii
Trautv.
Rhododendron uniflorum
Hutch. & Kingdon-Ward
Rhododendron urophyllum
W.P.Fang
Rhododendron uvarifolium
Diels
Rhododendron uvariifolium
Diels
Rhododendron uwaense
H.Hara & T.Yamanaka
Rhododendron vaccinioides
Hooker f.
Rhododendron valentinianum
Forrest
Rhododendron vanderbiltianum
Merrill
Rhododendron vandeursenii
Sleumer
Rhododendron vanhoeffeni
Abrom.
Rhododendron vaniotii
H. Léveillé
Rhododendron vanvuurenii
J. J. Smith
Rhododendron variolosum
Becc.
Rhododendron vaseyi
A. Gray
Rhododendron veitchianum
Hook.
Rhododendron veitchii
J.J.Veitch
Rhododendron vellereum
Hutch. ex Tagg
Rhododendron velutinum
Becc.
Rhododendron venator
Tagg
Rhododendron venosum
Nutt.
Rhododendron vernicosum
Franchet
Rhododendron verruciferum
W.K.Hu
Rhododendron verruculosum
Rehder & E. H. Wilson
Rhododendron verschaffeltii
Verschaff.
Rhododendron versicolor
Chun & W.P.Fang
Rhododendron versteegii
J. J. Smith
Rhododendron verticillatum
S. Vidal
Rhododendron vesiculiferum
Tagg
Rhododendron vestitum
Tagg & Forrest
Rhododendron viali
Delavay & Franchet
Rhododendron vialii
Delavay & Franch. ex Franch.
Rhododendron viburnifolium
W.P.Fang
Rhododendron vicarium
Balf.fil.
Rhododendron vicinum
Balf.fil. & Forrest
Rhododendron victorianum
(Cuvelier) Cuvelier
Rhododendron vidalii
Rolfe
Rhododendron villosulum
J.J.Sm.
Rhododendron villosum
Hemsley & E. H. Wilson
Rhododendron vilmorinianum
Balf.fil.
Rhododendron vinicolor
Sleumer
Rhododendron vinkii
Sleumer
Rhododendron violaceum
Rehder & E. H. Wilson
Rhododendron virgatum
Hooker f.
Rhododendron viridescens
Hutch.
Rhododendron viriosum
Craven
Rhododendron viscidifolium
Davidian
Rhododendron viscidum
C.Z.Guo & Z.H.Liu
Rhododendron viscigemmatum
P.C.Tam
Rhododendron viscistylum
Nakai
Rhododendron viscosepalum
(R.A.) Rehder
Rhododendron viscosum
(Linnaeus) Torrey
Rhododendron vitis-idaea
Sleumer
Rhododendron vittatum
(Fortune) Planch.
Rhododendron vonroemeri
Koord.
Rhododendron wadanum
Makino
Rhododendron wallaceanum
Millais
Rhododendron wallichii
Hooker f.
Rhododendron walongense
Kingdon-Ward
Rhododendron wardii
W. W. Smith
Rhododendron warianum
Schlechter
Rhododendron warrenii
(A.Nelson) J.F.Macbr.
Rhododendron washingtonianum
Millais
Rhododendron wasonii
Hemsley & E. H. Wilson
Rhododendron watereri
E.H.Wilson
Rhododendron ×watererii
E. H. Wilson
Rhododendron watsonii
Hemsley & E. H. Wilson
Rhododendron wattii
Cowan
Rhododendron websterianum
Rehder & E. H. Wilson
Rhododendron weldianum
Rehder & E. H. Wilson
Rhododendron wellesleyanum
Waterer ex Rehder
Rhododendron ×wellesleyanum
Rehder
Rhododendron welleslyanum
Waterer ex Rehder
Rhododendron wentianum
Koorders
Rhododendron westlandii
Hemsl.
Rhododendron weyrichii
Maxim.
Rhododendron whiteheadii
Rendle
Rhododendron widjajae
Argent & Mambrasar
Rhododendron wightii
Hooker f.
Rhododendron wilhelminae
Hochr.
Rhododendron wilkiei
Argent
Rhododendron williamsianum
Rehder & E. H. Wilson
Rhododendron williamsii
Merrill ex H. F. Copeland
Rhododendron willianmsianum
Rehder & E. H. Wilson
Rhododendron willmottiae
Hort
Rhododendron wilsoniae
Hemsl. & E.H.Wilson
Rhododendron wilsonianum
hort. ex Lavallée
Rhododendron wilsonii
Hemsley & E. H. Wilson
Rhododendron wiltonii
Hemsley & E. H. Wilson
Rhododendron windsorii
Nutt.
Rhododendron wollastonii
Wernham
Rhododendron wolongense
W.K.Hu
Rhododendron womersleyi
Sleumer
Rhododendron wongii
Hemsley & E. H. Wilson
Rhododendron wrayi
King & Gamble
Rhododendron wrightianum
Koorders
Rhododendron wuense
I. B. Balfour
Rhododendron wumingense
W.P.Fang
Rhododendron wuyishanicum
L.K.Ling
Rhododendron xanthanthum
(Tagg & Forrest) D.F.Chamb.
Rhododendron xanthinum
I. B. Balfour & W. W. Smith
Rhododendron xanthocodon
Hutch.
Rhododendron xanthoneuron
H.Lév.
Rhododendron xanthopetalum
Merr.
Rhododendron xanthostephanum
Merrill
Rhododendron xenium
Gill.K.Br. & Craven
Rhododendron xiangganense
X.F.Jin & B.Y.Ding
Rhododendron xiaoxidongense
W.K.Hu
Rhododendron xiaoxueshanense
R.L.Liao & Y.P.Ma
Rhododendron xichangense
Z.J.Zhao
Rhododendron xiguense
Ching & H.P.Yang
Rhododendron xinganense
G.Z.Li
Rhododendron xishuiense
C.H.Yang & C.D.Yang
Rhododendron xiushanense
W.P.Fang
Rhododendron xizangense
W.P.Fang & W.K.Hu
Rhododendron yakuinsulare
Masam.
Rhododendron yakumontanum
(T.Yamaz.) T.Yamaz.
Rhododendron yakushimanum
Nakai
Rhododendron yakushimense
(M.Tash. & H.Hatta) Craven
Rhododendron yakusimanum
Nakai
Rhododendron yangmingshanense
P.C.Tam
Rhododendron yanthinum
Bureau & Franchet
Rhododendron yaogangxianense
Q.X.Liu
Rhododendron yaoshanense
L.M.Gao & Shu D.Zhang
Rhododendron yaoshanicum
W.P.Fang & M.Y.He
Rhododendron yaragongense
Balf.fil.
Rhododendron yedoense
Maxim. ex Regel
Rhododendron yelliottii
Warburg
Rhododendron yizhangense
Q.X.Liu
Rhododendron yongii
Argent
Rhododendron youngae
W.P.Fang
Rhododendron youngiae
W.P.Fang
Rhododendron yuefengense
G.Z.Li
Rhododendron yulingense
W.P.Fang
Rhododendron yungchangense
Cullen
Rhododendron yungningense
I. B. Balfour
Rhododendron yunnanense
Franchet
Rhododendron yunyianum
X.F.Jin & B.Y.Ding
Rhododendron yushuense
Z.J.Zhao
Rhododendron zaleucum
I. B. Balfour & W. W. Smith
Rhododendron zekoense
Y. D. Sun & Z. J. Zhao
Rhododendron zeylanicum
Loudon
Rhododendron zhangjiajieense
C.L.Peng & L.H.Yan
Rhododendron zheguense
Ching & H.P.Yang
Rhododendron zhongdianense
L.C.Hu
Rhododendron zippelii
Blume
Rhododendron ziyuanense
P. C. Tam
Rhododendron zoelleri
Warburg
Rhododendron zollingeri
J. J. Smith
Remarks
Lectotype: R. ferrugineum Linnaeus (vide N. L. Britton et A. Brown, Ill. Fl. N.U.S. ed. 2. 2: 680. 7 Jun. 1913)
Citation
1753
Sp. Pl.
1: 392
Holdings
232 Specimens held in the Harvard University Herbaria identified as Rhododendron Linnaeus
Identification made in
[no date] (232)