1
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Species
biennis
(Moench) Fern.
common name:
tall blue lettuce
|
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2
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Species
campestris
Greene
|
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3
|
|
Varietas
typica
Wieg.
syn. Lactuca ludoviciana
|
|
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4
|
|
Species
canadensis
L.
|
|
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|
5
|
|
Varietas
integrifolia
(Bigelow) Torr. & Gray
syn. Lactuca canadensis
|
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6
|
|
Varietas
latifolia
Kuntze
syn. Lactuca canadensis
|
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7
|
|
Varietas
longifolia
(Michx.) Farw.
syn. Lactuca canadensis
|
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8
|
|
Varietas
obovata
Wieg.
syn. Lactuca canadensis
|
|
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9
|
|
Varietas
typica
Wieg.
syn. Lactuca canadensis
|
|
|
|
10
|
|
Species
floridana
(L.) Gaertn.
|
|
|
|
11
|
|
Varietas
floridana
common name:
woodland lettuce
|
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12
|
|
Varietas
villosa
(Jacq.) Cronq.
common name:
woodland lettuce
|
|
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13
|
|
Species
graminifolia
Michx.
|
|
|
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14
|
|
Varietas
arizonica
McVaugh
common name:
grassleaf lettuce
|
|
|
15
|
|
Varietas
graminifolia
common name:
grassleaf lettuce
|
|
|
|
16
|
|
Species
hirsuta
Muhl. ex Nutt.
|
|
|
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17
|
|
Varietas
albiflora
(Torr. & Gray) Shinners
common name:
hairy lettuce
|
|
|
18
|
|
Varietas
hirsuta
common name:
hairy lettuce
|
|
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19
|
|
Varietas
sanguinea
(Bigelow) Fern.
common name:
hairy lettuce
|
|
|
|
20
|
|
Species
indica
L.
common name:
Indian lettuce
|
|
|
21
|
|
Species
intybacea
Jacq.
syn. Launaea intybacea
|
|
|
22
|
|
Species
ludoviciana
(Nutt.) Riddell
common name:
biannual lettuce
|
|
|
23
|
|
Species
muralis
(L.) Fresen.
syn. Mycelis muralis
|
|
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24
|
|
Species
oblongifolia
Nutt.
syn. Lactuca tatarica var. pulchella
|
|
|
25
|
|
Species
pulchella
(Pursh) DC.
syn. Lactuca tatarica var. pulchella
|
|
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26
|
|
Species
sagittifolia
Ell.
syn. Lactuca canadensis
|
|
|
27
|
|
Species
saligna
L.
|
|
|
|
28
|
|
Varietas
runcinata
Gren. & Godr.
syn. Lactuca saligna
|
|
|
|
29
|
|
Species
sativa
L.
common name:
garden lettuce
|
|
|
30
|
|
Species
scariola
L.
|
|
|
|
31
|
|
Varietas
integrata
Gren. & Godr.
syn. Lactuca sativa
|
|
|
32
|
|
Varietas
integrifolia
(Bogenh.) G. Beck
syn. Lactuca sativa
|
|
|
|
33
|
|
Species
serriola
L.
common name:
prickly lettuce
|
|
|
34
|
|
Species
spicata
(Lam.) A.S. Hitchc.
|
|
|
|
35
|
|
Varietas
integrifolia
(Torr. & Gray) Britt.
syn. Lactuca biennis
|
|
|
|
36
|
|
Species
steelei
Britt.
syn. Lactuca canadensis
|
|
|
37
|
|
Species
stolonifera
(Gray) Maxim.
syn. Ixeris stolonifera
|
|
|
38
|
|
Species
tatarica
(L.) C.A. Mey.
|
|
|
|
39
|
|
Varietas
heterophylla
(Nutt.) Boivin
syn. Lactuca tatarica var. pulchella
|
|
|
40
|
|
Subspecies
pulchella
(Pursh) Stebbins
syn. Lactuca tatarica var. pulchella
|
|
|
41
|
|
Varietas
pulchella
(Pursh) Breitung
common name:
blue lettuce
|
|
|
|
42
|
|
Species
villosa
Jacq.
syn. Lactuca floridana var. villosa
|
|
|
43
|
|
Species
virosa
L.
common name:
bitter lettuce, wild lettuce, strong-scented lettuce
|
|
|
44
|
|
Species
x morssii
B.L. Robins. (pro sp.)
|
|
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