A B C D E F G H I J K L M N O P Q R S-1 S-2 T U V W X Y Z
Common name
|
Botanical name
|
1.
Oak
Fern, True
|
Polypodium dryopteris
|
2.
Oak,
Black, California
|
Quercus kelloggii
|
3.
Oak,
Common
|
Quercus pedunculata
Quercus robur
|
4.
Oak,
Durmast
|
Quercus sessiliflora
|
5.
Oak,
Evergreen
|
Quercus ilex
|
6.
Oak,
Garry
|
Quercus garryana
|
7.
Oak,
Indian / Freshwater Mangrove
|
Barringtonia
acutangula
|
8.
Oak,
Jerusalem
|
Chenopodium botrys
|
9.
Oak,
Kermes
|
Quercus coccifera
|
10.
Oak,
Live
|
Quercus virens
Quercus virginiana
|
11.
Oak,
Pin
|
Quercus palustris
|
12.
Oak,
Sessile
|
Quercus petraea
|
13.
Oak,
Turkey
|
Quercus cerris
|
14.
Oak,
White
|
Quercus alba
|
15.
Oak-leaved
Goosefoot
|
Chenopodium glaucum
|
16.
Oak-leaved
Hydrangea
|
Hydrangea quercifolia
|
17.
Oakmoss
|
Evernia prunastri
Evernia purpuracea
|
18.
Oatahette
Apple
|
Spondias dulcis
|
19.
Oats
|
Avena sativa
|
20.
Oats,
Wild
|
Avena barbara
Avena fatua
|
21.
Oberonia
|
Oberonia wightiana
|
22.
Oceanspray
|
Holodiscus discolor
|
23.
Ochlandra
|
Ochlandra rheedi
Ochlandra
travencorica
|
24.
Ocotillo
|
Fouquieria splendens
|
25.
Ocuba
Wax
|
Myristica sebifera
|
26.
Of,
Syrian
|
Majorana syriaca
|
27.
Of,
Wild
|
Olea africana
|
28.
Old
Man
|
Atriplex nummularia
|
29.
Old
man's beard
|
Usnea
|
30.
Old
Woman
|
Artemisia stellerana
|
31.
Oldenlandia
|
Oldenlandia
umbellata
|
32.
Old-fashioned
Baby's Brea
|
Gypsophila paniculata
|
33.
Oleander
|
Nerium oleander
|
34.
Oliliuqui
|
Rivea corymbosa
|
35.
Olive
|
Olea europaea
|
36.
Olive,
Russian
|
Elaeagnus angustifolia
|
37.
Olympic
onion
|
Allium crenulatum
|
38.
One-leaved
malaxis
|
Malaxis monophyllos
|
39.
Onion,
Garden
|
Allium cepa
|
40.
Onion,
Tree
|
Allium cepa var. viviparum
Allium x proliferum
|
41.
Oniongrass,
Alaska
|
Melica subulata
|
42.
Onion-leaved
Asphodel
|
Asphodelus fistulosus
|
43.
Ophiorrhiza
|
Ophiorrhiza barnesii
Ophiorrhiza brunonis
Ophiorrhiza caudata
Ophiorrhiza
incarnata
Ophiorrhiza radicans
|
44.
Opoponax
|
Opopanax chironium
|
45.
Orach
/ Arrach, Garden
|
Atriplex hortensis
|
46.
Orange
|
Citrus reticulata
Citrus sinensis
|
47.
Orange
Ball Tree
|
Buddleja globosa
|
48.
Orange
Blossom, Mexican
|
Choisya ternata
|
49.
Orange
Jasmine
|
Murraya paniculata
|
50.
Orange,
Bitter
|
Citrus vulgaris var. bigaradia
|
51.
Orange,
Calamondin
|
Citrus mitis
|
52.
Orange,
King
|
Citrus deliciosa
Citrus nobilis
|
53.
Orange,
Seville
|
Citrus aurantium
|
54.
Orange,
Sweet
|
Citrus aurantium var. dulcis
|
55.
Orchid
Tree, Purple
|
Bauhinia purpurea
|
56.
Orchids
|
Orchis conopea
Orchis coriophora
Orchis longieruris
Orchis militaris
Orchis pyramidalis
Orchis saccifera
Orchis ustulata
|
57.
Orchis,
Early Purple
|
Orchis mascula
|
58.
Orchis,
Green-winged Meadow
|
Orchis morio
|
59.
Orchis,
March
|
Orchis latifolia
|
60.
Orchis,
Spotted
|
Orchis maculata
|
61.
Orchreinauclea
|
Orchreinauclea
missionis
|
62.
Oregano
|
Lippia nodiflora
|
63.
Oregano,
Compact
|
Origanum vulgare 'Compacta'
|
64.
Oregano,
Greek
|
Origanum heracleoticum
Origanum prismaticum
|
65.
Oregano,
Mexican
|
Lippia graveolens
|
66.
Oregon
ash
|
Fraxinus latifolia
|
67.
Oriental
Bittersweet
|
Celastrus orbiculatus
|
68.
Oriental
Royal Salep
|
Allium macleanii
|
69.
Oriental
Woodruff
|
Asperula orientalis
|
70.
Origanum
of Cyprus
|
Origanum dubium
|
71.
Ornamental
Grass
|
Brachypodium sylvaticum
Sorghum nigrum
|
72.
Ornamental
Quince
|
Chaenomeles speciosa
Chaenomeles x superba
|
73.
Orris
|
Iris pallida
|
74.
Osage
Orange
|
Maclura pomifera
Toxylon pomiferum
|
75.
Osha
|
Ligusticum porteri
|
76.
Osha
Colorado Cough-root
|
Ligusticum filicinum
|
77.
Osha
del Campo
|
Angelica pinnata
|
78.
Osier,
Green
|
Cornus circinata
|
79.
Osier,
Red, American
|
Cornus amomum
|
80.
Oswego
Tea
|
Monarda didyma
|
81.
Oval
Buchu
|
Agathosma crenulata
|
82.
Ovate-leaved
Sea Purslane
|
Houckenya peploides
|
83.
Oven's
wattle
|
Acacia pravissima
|
84.
Ox-eye
|
Buphthalmum salicifolium
|
85.
Oxeye
Daisy
|
Chrysanthemum
leucanthemum
Leucanthemum vulgare
|
86.
Ox-eye
Sunflower
|
Heliopsis helianthoides
|
87.
Ox-tongue
|
Helmintha echioides
|