Life
All (in this database) Plants list (with English common names): Part O
A
B
BU
C
CR
D
E
F
G
H
I
J
K
L
M
MT
N
O
P
PR
Q
R
S
SM
T
U
V
W
Y
Z
Oak Fern
(
Gymnocarpium dryopteris
)
Limestone
Oak Fern
(
Gymnocarpium robertianum
)
Oak Ferns
(
Gymnocarpium
)
Silky
Oak Wood?
(
Grevillea robusta
)
African
Oak?
(
Lophira alata
)
Arizona white
oak
(
Quercus arizonica
)
Arkansas
oak
(
Quercus arkansana
)
Barren
Oak
(
Quercus marilandica
)
Basket
Oak
(
Quercus michauxii
)
Bastard
oak
(
Quercus sinuata
)
Bastard White
Oak
(
Quercus austrina
)
Bear
Oak
(
Quercus ilicifolia
)
Black
Oak
(
Quercus ellipsoidalis
)
Black
Oak
(
Quercus marilandica
)
Black
Oak
(
Quercus velutina
)
Blackjack
Oak
(
Quercus marilandica
)
Blue
oak
(
Quercus douglasii
)
Bluejack
Oak
(
Quercus incana
)
Bluff
Oak
(
Quercus austrina
)
Bottom-land post
oak
(
Quercus similis
)
Box White
Oak
(
Quercus stellata
)
Boynton's sand post
oak
(
Quercus boyntonii
)
Buckley's
oak
(
Quercus buckleyi
)
Burr
Oak
(
Quercus macrocarpa
)
California Black
Oak
(
Quercus kelloggii
)
California scrub
oak
(
Quercus dumosa
)
Canyon Live
Oak
(
Quercus chrysolepis
)
Catesby
Oak
(
Quercus laevis
)
Chapman White
Oak
(
Quercus chapmanii
)
Chapman's
oak
(
Quercus chapmanii
)
Cherry-bark
oak
(
Quercus pagoda
)
Chestnut
Oak
(
Quercus prinus
)
Chihuahuan
oak
(
Quercus chihuahuensis
)
Chinkapin
oak
(
Quercus muehlenbergii
)
Chinquapin
Oak
(
Quercus muehlenbergii
)
Chisos mountain
oak
(
Quercus graciliformis
)
Coastal live
oak
(
Quercus agrifolia
)
Common
Oak
(
Quercus robur
)
Cow
Oak
(
Quercus michauxii
)
Darlington's
oak
(
Quercus hemisphaerica
)
Davis mountain
oak
(
Quercus depressipes
)
Deer
oak
(
Quercus sadleriana
)
Dunn's
oak
(
Quercus dunnii
)
Durand White
Oak
(
Quercus sinuata
var.
sinuata
)
Dwarf
oak
(
Quercus intricata
)
Dwarf chinkapin
oak
(
Quercus prinoides
)
Dwarf Chinquapin
Oak
(
Quercus prinoides
)
Dwarf live
oak
(
Quercus minima
)
Dwarf Post
Oak
(
Quercus stellata
var.
margaretta
)
Emory's
oak
(
Quercus emoryi
)
Engelmann's
oak
(
Quercus engelmannii
)
English
oak
(
Quercus robur
)
Forest
Oak
(
Casuarina equisetifolia
)
Gambel's
oak
(
Quercus gambelii
)
Georgia
oak
(
Quercus georgiana
)
Graves'
oak
(
Quercus gravesii
)
Gray
oak
(
Quercus grisea
)
Havard's
oak
(
Quercus havardii
)
Hill
Oak
(
Quercus ellipsoidalis
)
Hinckley's
oak
(
Quercus hinckleyi
)
Huckleberry
oak
(
Quercus vacciniifolia
)
Interior live
oak
(
Quercus wislizeni
)
Iron
Oak
(
Quercus stellata
)
Island live
oak
(
Quercus tomentella
)
Jack
Oak
(
Quercus ellipsoidalis
)
Jack
Oak
(
Quercus marilandica
)
Kellogg's
Oak
(
Quercus kelloggii
)
Lacey's
oak
(
Quercus laceyi
)
Late-leaf
oak
(
Quercus tardifolia
)
Laurel
Oak
(
Quercus imbricaria
)
Laurel
Oak
(
Quercus laurifolia
)
Oakleaf Goosefoot
(
Chenopodium glaucum
)
Leather
oak
(
Quercus durata
)
Oak-leaved Goosefoot
(
Chenopodium glaucum
)
Live
Oak
(
Quercus virginiana
)
Macdonald's
oak
(
Quercus
×
macdonaldii
)
Maple-leaf
oak
(
Quercus acerifolia
)
Mexican
oak
(
Quercus carmenensis
)
Mexican blue
Oak
(
Quercus oblongifolia
)
Mohr's
oak
(
Quercus mohriana
)
Mossycup
Oak
(
Quercus macrocarpa
)
Myrtle
oak
(
Quercus myrtifolia
)
Myrtle-leaved
Oak
(
Quercus myrtifolia
)
Net-leaf
oak
(
Quercus rugosa
)
Northern Pin
Oak
(
Quercus ellipsoidalis
)
Northern Red
Oak
(
Quercus rubra
)
Northern white
oak
(
Quercus alba
)
Nuttall
Oak
(
Quercus texana
)
Nuttall's Scrub
Oak
(
Quercus dumosa
)
Oglethorpe
Oak
(
Quercus oglethorpensis
)
Oregon white
oak
(
Quercus garryana
)
Overcup
Oak
(
Quercus lyrata
)
Overcup
Oak
(
Quercus macrocarpa
)
Pacific Poison
Oak
(
Rhus diversiloba
)
Pin
Oak
(
Quercus palustris
)
Plateau
oak
(
Quercus fusiformis
)
Poison
Oak
(
Rhus diversiloba
)
Poison
Oak
(
Rhus radicans
)
Possum
Oak
(
Quercus nigra
)
Post
Oak
(
Quercus stellata
)
Rock
Oak
(
Quercus prinus
)
Rock Chestnut
Oak
(
Quercus prinus
)
Running
oak
(
Quercus pumila
)
Oaks
(
Quercus
)
Sand live
oak
(
Quercus geminata
)
Sand Post
Oak
(
Quercus stellata
var.
margaretta
)
Sand post
oak
(
Quercus margarettiae
)
Sand Shinnery
Oak
(
Quercus havardii
)
Sandhill
oak
(
Quercus inopina
)
Sandpaper
Oak
(
Quercus pungens
)
Santa cruz island
oak
(
Quercus parvula
)
Saw-tooth
oak
(
Quercus acutissima
)
Scarlet
Oak
(
Quercus coccinea
)
Scheck
Oak
(
Quercus shumardii
)
"Scrub
Oak"
(
Quercus laevis
)
Scrub
Oak
(
Quercus ilicifolia
)
Scrub
oak
(
Quercus cornelius-mulleri
)
Scrub Chestnut
Oak
(
Quercus prinoides
)
She
Oak
(
Casuarina stricta
)
Shingle
Oak
(
Quercus imbricaria
)
Shrub live
oak
(
Quercus turbinella
)
Shumard
Oak
(
Quercus shumardii
)
Shumard Red
Oak
(
Quercus shumardii
)
Silver-leaf
oak
(
Quercus hypoleucoides
)
Southern Red
Oak
(
Quercus falcata
)
Spanish
Oak
(
Quercus falcata
)
Poison
oaks
(
Rhus
)
Swamp
Oak
(
Quercus palustris
)
Swamp Chestnut
Oak
(
Quercus michauxii
)
Swamp Red
Oak
(
Quercus falcata
var.
pagodaefolia
)
Swamp Red
Oak
(
Quercus shumardii
)
Swamp Spanish
Oak
(
Quercus falcata
var.
pagodaefolia
)
Swamp White
Oak
(
Quercus bicolor
)
Texas red
oak
(
Quercus texana
)
Toumey's
oak
(
Quercus toumeyi
)
Turbinella
Oak
(
Quercus turbinella
)
Turkey
Oak
(
Quercus laevis
)
Upland Willow
Oak
(
Quercus incana
)
Valley
oak
(
Quercus lobata
)
Water
Oak
(
Quercus imbricaria
)
Water
Oak
(
Quercus nigra
)
Water
Oak
(
Quercus palustris
)
White
Oak
(
Quercus alba
)
Willow
Oak
(
Quercus phellos
)
Yellow
Oak
(
Quercus muehlenbergii
)
Yellow
Oak
(
Quercus velutina
)
Oarleaf Buckwheat
(
Eriogonum pyrolifolium
var.
pyrolifolium
)
Oat
(
Avena
)
Oat Grass
(
Arrhenatherum
)
Black
Oat Grass
(
Stipa avenacea
)
Wild
Oat Grass
(
Danthonia
)
Animated
Oat
(
Avena sterilis
)
Bristle
Oat
(
Avena strigosa
)
Common
Oat
(
Avena sativa
)
Cultivated
Oat
(
Avena sativa
)
False
Oat-grass
(
Arrhenatherum elatius
)
French
Oat-grass
(
Gaudinia fragilis
)
Hairy
Oat-grass
(
Avenula pubescens
)
Tall
Oat-grass
(
Arrhenatherum elatius
)
Yellow
Oat-grass
(
Trisetum flavescens
)
Narrow False
Oat
(
Trisetum spicatum
)
Sterile
oat
(
Avena sterilis
)
Water
Oats
(
Zizania palustris
)
Oblique Grape Fern
(
Botrychium obliquum
)
Oblong-leaved Sundew
(
Drosera intermedia
)
Obscure Bluebells
(
Mertensia perplexa
)
Obscure Buttercup
(
Ranunculus reconditus
)
Obscure Evening-primrose
(
Oenothera andina
)
Obscure Indian-paintbrush
(
Castilleja cryptantha
)
Obtuse Woodsia
(
Woodsia obtusa
)
Ocean-blue scorpion-weed
(
Phacelia ranunculacea
)
Oceanspray
(
Holodiscus discolor
)
Gland
Ocean-spray
(
Holodiscus dumosus
)
Ochre Buckwheat
(
Eriogonum ochrocephalum
)
ochre-flowered Eriogonum
(
Eriogonum ochrocephalum
)
Ocotillo
(
Fouquieria splendens
)
Oeder's Lousewort
(
Pedicularis oederi
)
Star
of Bethlehem
(
Ornithogalum
)
Balm
of Gilead
(
Populus candicans
)
Grass
of Parnassius
(
Parnassia
)
Apple
of Peru
(
Nicandra
)
Marvel
of Peru
(
Mirabilis jalapa
)
Old Man
of the Mountain
(
Hymenoxys grandiflora
)
Queen
of the Prairie
(
Filipendula rubra
)
Lily
of the Valley
(
Convallaria
)
Ogeechee Gum
(
Nyssa ogeche
)
Ogeechee Lime
(
Nyssa ogeche
)
Ogeechee Tupelo
(
Nyssa ogeche
)
Oglethorpe Oak
(
Quercus oglethorpensis
)
Ohio Buckeye
(
Aesculus glabra
)
Oil Palm
(
Elaeis guineensis
)
American
Oil Palm
(
Elaeis oleifera
)
Meni
Oil Plant
(
Lophira alata
)
Tung
Oil Plant
(
Aleurites fordii
)
Eng
Oil Tree?
(
Dipterocarpus tuberculatus
)
Garjan
Oil Tree?
(
Dipterocarpus turbinatus
)
In
Oil Tree?
(
Dipterocarpus tuberculatus
)
Kanyin
Oil Tree?
(
Dipterocarpus turbinatus
)
Oilnut
(
Juglans cinerea
)
Okanogan Fameflower
(
Talinum okanoganense
)
Olaga
(
Opuntia borinquensis
)
Old Field Birch
(
Betula populifolia
)
Old Man of the Mountain
(
Hymenoxys grandiflora
)
Old Man's Beard
(
Tillandsia usneoides
)
Old Man's Beard
(
Chionanthus virginicus
)
Old Man's Whiskers
(
Geum triflorum
)
Oldfield Blackberry
(
Rubus alumnus
)
Oldfield Pine
(
Pinus echinata
)
Oldfield Pine
(
Pinus taeda
)
Oldfield Toadflax
(
Linaria canadensis
)
Oldman cactus
(
Opuntia erinacea
)
Old-man-in-the-spring
(
Senecio vulgaris
)
Old-witch Grass
(
Panicum capillare
)
Oleaster Family
(
Elaeagnaceae
)
Olive Family
(
Oleaceae
)
Olive Tree
(
Olea europaea
)
Oliver's touch-me-not
(
Impatiens oliveri
)
Olympic Mountain Aster
(
Aster paucicapitatus
)
Olympic Mountains Paintbrush
(
Castilleja parviflora
var.
olympica
)
One-flower Cinqueflower
(
Potentilla uniflora
)
One-flowered Cancer-root
(
Orobanche uniflora
)
One-flowered Pyrola
(
Moneses uniflora
)
One-flowered Wintergreen
(
Moneses uniflora
)
One-seed juniper
(
Juniperus monosperma
)
One-sided Wintergreen
(
Orthilia secunda
)
Onion
(
Allium
)
Onion
(
Allium cepa
)
Fool's
Onion
(
Brodiaea hyacinthina
)
Wild
Onion
(
Allium cernuum
)
Wild
Onion
(
Allium vineale
)
Open-ground Dewberry
(
Rubus furtivus
)
Opium Poppy
(
Papaver somniferum
)
Opossum-wood
(
Halesia carolina
)
Opposite-leaf Bitter-root
(
Lewisia oppositifolia
)
Opposite-leave russian-thistle
(
Salsola soda
)
Orache
(
Atriplex
)
Orache
(
Atriplex hortensis
)
Babingtons
Orache
(
Atriplex glabriuscula
)
Common
Orache
(
Atriplex patula
)
Common
Orache
(
Atriplex patula
var.
patula
)
Garden
Orache
(
Atriplex hortensis
)
Grass-leaved
Orache
(
Atriplex littoralis
)
Hastate
Orache
(
Atriplex prostrata
)
Long-stalked
Orache
(
Atriplex longipes
)
Red
Orache
(
Atriplex rosea
)
Shore
Orache
(
Atriplex littoralis
)
Spear
Orache
(
Atriplex patula
var.
patula
)
Wedgescale
Orache
(
Atriplex truncata
)
Garden
Orach
(
Atriplex hortensis
)
Red
Orach
(
Atriplex rosea
)
Spreading
Orach
(
Atriplex patula
)
Orange
(
Citrus aurantium
)
Orange caltrop
(
Kallstroemia grandiflora
)
Orange Foxtail
(
Alopecurus aequalis
)
Orange Grass
(
Hypericum gentianoides
)
Orange Hawkweed
(
Pilosella aurantiaca
)
Orange Honeysuckle
(
Lonicera ciliosa
)
Orange Lily
(
Lilium bulbiferum
)
Orange Mullein
(
Verbascum phlomoides
)
Bitter
orange
(
Citrus limetta
)
Mock
Orange
(
Philadelphus
)
Mock
Orange
(
Philadelphus coronarius
)
Osage
Orange?
(
Maclura aurantiaca
)
Wild
Orange-red Lily
(
Lilium philadelphicum
)
Sour
orange
(
Citrus aurantium
)
Sweet
orange
(
Citrus sinensis
)
Orchard Grass
(
Dactylis
)
Orchard Grass
(
Dactylis glomerata
)
Bird's-nest
Orchid
(
Neottia nidus-avis
)
Bog
Orchid
(
Hammarbya paludosa
)
Common Spotted
Orchid
(
Dactylorhiza fuchsii
)
Coralroot
Orchid
(
Corallorhiza trifida
)
Early-purple
Orchid
(
Orchis mascula
)
Elder-flowered
Orchid
(
Dactylorhiza sambucina
)
Fairy-slipper
Orchid
(
Calypso bulbosa
)
Fen
Orchid
(
Liparis loeselii
)
Fly
Orchid
(
Ophrys insectifera
)
Fragrant
Orchid
(
Gymnadenia conopsea
)
Frog
Orchid
(
Coeloglossum viride
)
Ghost
Orchid
(
Epipogium aphyllum
)
Heath Spotted
Orchid
(
Dactylorhiza maculata
)
Military
Orchid
(
Orchis militaris
)
Musk
Orchid
(
Herminium monorchis
)
Ragged Fringed
Orchid
(
Habenaria lacera
)
Showy
Orchid
(
Orchis spectabilis
)
Single-leaved Bog
Orchid
(
Malaxis monophyllos
)
Small-white
Orchid
(
Pseudorchis albida
)
White Fringed
Orchid
(
Habenaria blephariglottis
)
Yellow Fringed
Orchid
(
Habenaria ciliaris
)
Orchis Family
(
Orchidaceae
)
Fringed
Orchis
(
Habenaria
)
Rein
Orchis
(
Habenaria
)
Oregon Alder
(
Alnus rubra
)
Oregon Anemone
(
Anemone oregana
)
Oregon Bitter-root
(
Lewisia rediviva
)
Oregon Bluebells
(
Mertensia bella
)
Oregon Checker-mallow
(
Sidalcea oregana
)
Oregon figwort
(
Scrophularia oregana
)
Oregon Gooseberry
(
Ribes lobbii
)
Oregon Iris
(
Iris tenax
)
Oregon Lily
(
Lilium columbianum
)
Oregon Lomatium
(
Lomatium oreganum
)
Oregon Lungwort
(
Mertensia bella
)
Oregon Maple
(
Acer macrophyllum
)
Oregon milk-vetch
(
Astragalus oreganus
)
Oregon Saxifrage
(
Saxifraga oregana
)
Oregon Selaginella
(
Selaginella oregana
)
Oregon Stonecrop
(
Sedum oreganum
)
Oregon white oak
(
Quercus garryana
)
Oregon White-topped Aster
(
Aster oregonensis
)
Oregon Wintergreen
(
Gaultheria ovatifolia
)
Oregon Woodsia
(
Woodsia oregana
)
Oregon Wood-sorrel
(
Oxalis oregana
)
Oregon-coast Paintbrush
(
Castilleja litoralis
)
Oregon-grape
(
Mahonia aquifolium
)
Cascade
Oregongrape
(
Mahonia nervosa
)
Creeping
Oregongrape
(
Mahonia repens
)
Dull
Oregongrape
(
Mahonia nervosa
)
Holly-leaf
Oregongrape
(
Mahonia aquifolium
)
Low
Oregongrape
(
Mahonia repens
)
Shining
Oregongrape
(
Mahonia aquifolium
)
Tall
Oregongrape
(
Mahonia aquifolium
)
Organ mountain figwort
(
Scrophularia laevis
)
Oriental germander
(
Teucrium orientale
)
Oriental Larkspur
(
Consolida orientalis
)
Oriental Mustard
(
Sisymbrium orientale
)
Oriental Plane-tree
(
Platanus orientalis
)
Oriental Poppy
(
Papaver orientale
)
Ornamental Almond
(
Prunus dulcis
)
Plains
orophaca
(
Astragalus gilviflorus
)
Orpine
(
Sedum
)
Orpine
(
Sedum telephium
)
Orpine Family
(
Crassulaceae
)
Garden
Orpine
(
Sedum telephium
ssp.
telephium
)
Osage Orange?
(
Maclura aurantiaca
)
Osage-orange
(
Maclura
)
Osage-orange
(
Maclura pomifera
)
Osgood Mountain milk-vetch
(
Astragalus yoder-williamsii
)
Osier
(
Salix
)
Common
Osier
(
Salix viminalis
)
Green
Osier
(
Cornus alternifolia
)
Purple
Osier
(
Salix purpurea
)
Osoberry
(
Osmaronia cerasiformis
)
Osterhout's milk-vetch
(
Astragalus osterhoutii
)
Ostrich Fern
(
Matteuccia struthiopteris
)
Ostrich Fern
(
Matteuccia struthiopteris
ssp.
pensylvanica
)
American
Ostrich Fern
(
Matteuccia struthiopteris
ssp.
pensylvanica
)
Ostrich Ferns
(
Matteuccia
)
Bristly
Oswego Blackberry
(
Rubus dissimilis
)
Oswego Tea
(
Monarda didyma
)
Oval Pignut Hickory
(
Carya glabra
var.
odorata
)
Oval Sedge
(
Carex ovalis
)
Ovalleaf Huckleberry
(
Vaccinium ovalifolium
)
Oval-leaved Erigonum
(
Eriogonum ovalifolium
)
Oval-leaved Mitrewort
(
Mitella ovalis
)
Ovate goat grass
(
Aegilops geniculata
)
Overcup Oak
(
Quercus lyrata
)
Overcup Oak
(
Quercus macrocarpa
)
Overtop Palm
(
Syagrus amara
)
Owl-clover
(
Orthocarpus
)
Common
Owl-clover
(
Orthocarpus purpurascens
)
Dwarf
Owl-clover
(
Orthocarpus pusillus
)
Grand Coulee
Owl-clover
(
Orthocarpus barbatus
)
Hairy
Owl-clover
(
Orthocarpus hispidus
)
Johnny-turk
Owl-clover
(
Orthocarpus erianthus
)
Mountain
Owl-clover
(
Orthocarpus imbricatus
)
Narrow-leaved
Owl-clover
(
Orthocarpus attenuatus
)
Paint-brush
Owl-clover
(
Orthocarpus castillejoides
)
Purple-white
Owl-clover
(
Orthocarpus purpureoalbus
)
Rosy
Owl-clover
(
Orthocarpus bracteosus
)
Thin-leaved
Owl-clover
(
Orthocarpus tenuifolius
)
Yellow
Owl-clover
(
Orthocarpus luteus
)
Owyhee Sagewort
(
Artemisia papposa
)
Mexican
Oxalis
(
Oxalis latifolia
)
Upright
Oxalis
(
Oxalis fontana
)
Upright Yellow
Oxalis
(
Oxalis fontana
)
Yellow
Oxalis
(
Oxalis corniculata
)
Ox-eye Daisy
(
Leucanthemum
)
Ox-eye Daisy
(
Leucanthemum vulgare
)
Ox-eye Daisy?
(
Chrysanthemum
)
Yellow
Ox-eye
(
Buphthalmum salicifolium
)
Oxford Ragwort
(
Senecio squalidus
)
Oxlip
(
Primula elatior
)
Bristly
Oxtongue
(
Picris echioides
)
Hawkweed
Oxtongue
(
Picris hieracioides
)
Prickly
Oxtongue
(
Picris echioides
)
Yellow
Oxytropis
(
Oxytropis campestris
ssp.
sordida
)
Oysterleaf
(
Mertensia maritima
)
Oyster-plant
(
Tragopogon porrifolius
)
Ozark milk-vetch
(
Astragalus distortus
)
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Markku Savela
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