1
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Species
alabamense
Rehd.
common name:
Alabama azalea
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2
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Species
albiflorum
Hook.
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3
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Varietas
albiflorum
common name:
Cascade azalea
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4
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Varietas
warrenii
(A. Nels.) M.A. Lane
common name:
Cascade azalea
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5
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6
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Varietas
richardsonii
Rehd.
syn. Rhododendron arborescens
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7
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Species
ashleyi
Coker
syn. Rhododendron maximum
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8
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Species
atlanticum
(Ashe) Rehd.
common name:
dwarf azalea
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9
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Species
austrinum
(Small) Rehd.
common name:
orange azalea
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10
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Species
bakeri
auct. non (Lemmon & McKay) Hume
syn. Rhododendron cumberlandense
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11
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Species
calendulaceum
(Michx.) Torr.
common name:
flame azalea
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12
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Species
californicum
Hook.
syn. Rhododendron macrophyllum
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13
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Species
camtschaticum
Pallas
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14
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Subspecies
camtschaticum
common name:
Kamchatka rhododendron
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15
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Subspecies
glandulosum
(Standl.) Hult�n
common name:
Kamchatka rhododendron
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16
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Species
canadense
(L.) Torr.
common name:
rhododendron
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17
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Species
candidum
(Small) Rehd.
syn. Rhododendron canescens
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18
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Species
canescens
(Michx.) Sweet
common name:
mountain azelea
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19
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Varietas
candidum
(Small) Rehd.
syn. Rhododendron canescens
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20
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Varietas
subglabrum
Rehd.
syn. Rhododendron canescens
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21
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Species
carolinianum
Rehd.
common name:
Carolina azalea
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22
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Species
catawbiense
Michx.
common name:
Catawba rosebay
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23
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Species
chapmanii
Gray
common name:
Chapman's rhododendron
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24
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Species
coryi
Shinners
syn. Rhododendron viscosum
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25
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Species
cumberlandense
E.L. Braun
common name:
Cumberland rhododendron
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26
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Species
flammeum
(Michx.) Sarg.
common name:
piedmont azalea
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27
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Species
groenlandicum
(Oeder) Kron & Judd
syn. Ledum groenlandicum
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28
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Species
japonicum
(Gray) Sur.
common name:
Japanese azalea
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29
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Species
lapponicum
(L.) Wahlenb.
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30
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Varietas
lapponicum
common name:
Lapland rosebay
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31
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Varietas
parvifolium
(M.F. Adams) Herder
common name:
Lapland rosebay
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32
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Species
macrophyllum
D. Don ex G. Don
common name:
Pacific rhododendron
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33
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Species
maximum
L.
common name:
great laurel, rhododendron
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34
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Species
minus
Michx.
common name:
Piedmont rhododendron
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35
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Varietas
chapmanii
(Gray) Duncan & Pullen
syn. Rhododendron chapmanii
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36
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Species
nudiflorum
(L.) Torr.
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37
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Varietas
glandiferum
(Porter) Rehd.
syn. Rhododendron periclymenoides
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38
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Varietas
roseum
(Loisel.) Wieg.
syn. Rhododendron prinophyllum
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39
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Species
oblongifolium
(Small) Millais
common name:
Texas azalea
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40
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Species
occidentale
(Torr. & Gray ex Torr.) Gray
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41
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Varietas
occidentale
common name:
western azalea
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42
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Varietas
paludosum
Jepson
common name:
western azalea
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43
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Varietas
sonomense
(Greene) Rehd.
common name:
Sonoma azalea
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44
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Species
periclymenoides
(Michx.) Shinners
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45
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Varietas
eglandulosum
Seymour
syn. Rhododendron periclymenoides
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46
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Species
prinophyllum
(Small) Millais
common name:
early azalea
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47
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Species
prunifolium
(Small) Millais
common name:
plumleaf azalea
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48
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Species
roseum
(Loisel.) Rehd.
syn. Rhododendron prinophyllum
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49
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Species
serrulatum
(Small) Millais
syn. Rhododendron viscosum
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50
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Species
speciosum
(Willd.) Sweet
syn. Rhododendron flammeum
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51
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Species
tomentosum
(Stokes) Harmaja
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52
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Subspecies
subarcticum
(Harmaja) G. Wallace
syn. Ledum palustre ssp. decumbens
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53
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Species
vaseyi
Gray
common name:
pinkshell azalea
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54
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Species
viscosum
(L.) Torr.
common name:
swamp azalea
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55
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Varietas
aemulans
Rehd.
syn. Rhododendron viscosum
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56
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Varietas
glaucum
(Michx.) Gray
syn. Rhododendron viscosum
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57
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Varietas
montanum
Rehd.
syn. Rhododendron viscosum
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58
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Varietas
nitidum
(Pursh) Gray
syn. Rhododendron viscosum
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59
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Varietas
serrulatum
(Small) Ahles
syn. Rhododendron viscosum
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60
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Varietas
tomentosum
Rehd.
syn. Rhododendron viscosum
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61
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Species
x bakeri
(Lemmon & McKay) Hume (pro sp.)
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62
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Species
x pennsylvanicum
Rehd.
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63
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Species
x welleslyanum
Waterer ex Rehd.
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