Life
All (in this database) Plants list (with English common names): Part R
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
Rabbit-brush
(
Chrysothamnus
)
Common
Rabbit-brush
(
Chrysothamnus nauseosus
)
Gray
Rabbit-brush
(
Chrysothamnus nauseosus
)
Green
Rabbit-brush
(
Chrysothamnus viscidiflorus
)
Parry's
Rabbit-brush
(
Chrysothamnus parryi
)
Truckee Green
Rabbit-brush
(
Chrysothamnus humilis
)
Rabbit-foot
(
Trifolium arvense
)
Rabbitfoot Polypogon
(
Polypogon monspeliensis
)
Racemed Dewberry
(
Rubus racemiger
)
Racemose scorpion-weed
(
Phacelia racemosa
)
Horse
Radish Tree
(
Moringa pterygosperma
)
Garden
Radish
(
Raphanus sativus
)
Wild
Radish
(
Raphanus raphanistrum
)
San
Rafael milk-vetch
(
Astragalus rafaelensis
)
Raffia
(
Raphia pedunculata
)
Raffia Palm
(
Raphia farinifera
)
Ragged Fringed Orchid
(
Habenaria lacera
)
Downy
ragged Goldenrod
(
Solidago petiolaris
)
Ragged-robin
(
Lychnis flos-cuculi
)
Ragweed
(
Ambrosia
)
Annual
Ragweed
(
Ambrosia artemisiifolia
)
Bur
Ragweed
(
Ambrosia acanthicarpa
)
Common
Ragweed
(
Ambrosia artemisiifolia
)
Common
Ragweed
(
Ambrosia psilostachya
)
Giant
Ragweed
(
Ambrosia trifida
)
Great
Ragweed
(
Ambrosia trifida
)
Western
Ragweed
(
Ambrosia psilostachya
)
Ragwort
(
Senecio
)
Aleutian
Ragwort
(
Senecio cannabifolius
)
Alpine
Ragwort
(
Senecio nemorensis
)
Clustered Marsh
Ragwort
(
Senecio congestus
)
Common
Ragwort
(
Senecio jacobaea
)
Cress-leaf
Ragwort
(
Senecio glabellus
)
Desert
Ragwort
(
Senecio eremophilus
)
Eastern Marsh
Ragwort
(
Senecio aquaticus
)
Golden
Ragwort
(
Senecio aureus
)
Hoary
Ragwort
(
Senecio erucifolius
)
Lamb-tongue
Ragwort
(
Senecio integerrimus
)
Marsh
Ragwort
(
Senecio aquaticus
)
Oxford
Ragwort
(
Senecio squalidus
)
Round-leaf
Ragwort
(
Senecio obovatus
)
Schweinitz's
Ragwort
(
Senecio schweinitzianus
)
Seaside
Ragwort
(
Senecio pseudoarnica
)
Silver
ragwort
(
Senecio bicolor
)
Sticky
Ragwort
(
Senecio viscosus
)
Tansy
Ragwort
(
Senecio jacobaea
)
Woodland
Ragwort
(
Senecio sylvaticus
)
Woolly
Ragwort
(
Senecio tomentosus
)
Railhead milk-vetch
(
Astragalus terminalis
)
Rain Tree
(
Pithecellobium saman
)
Mt
Rainier Lousewort
(
Pedicularis rainierensis
)
Rainier Violet
(
Viola trinervata
)
Wild
Raisin
(
Viburnum cassinoides
)
Wild
Raisin
(
Viburnum lentago
)
Rajmahal hemp?
(
Marsdenia tenacissima
)
Rambler Rose
(
Rosa multiflora
)
Rambling Dewberrry
(
Rubus vagus
)
Common
Ramping-fumitory
(
Fumaria muralis
)
White
Ramping-fumitory
(
Fumaria capreolata
)
Rampion Bellflower
(
Campanula rapunculus
)
Black
Rampion
(
Phyteuma nigrum
)
Spiked
Rampion
(
Phyteuma spicatum
)
Ramsons
(
Allium ursinum
)
Ramsted
(
Linaria vulgaris
)
Rancheria Clover
(
Trifolium macraei
)
Ranchers Fireweed
(
Amsinckia intermedia
)
Front
range milk-vetch
(
Astragalus sparsiflorus
)
Coast
Range Mule's-ears
(
Wyethia glabra
)
Rannoch-rush
(
Scheuchzeria palustris
)
Rape
(
Brassica napus
)
Raspberry
(
Rubus idaeus
)
Barton's
Raspberry
(
Rubus bartonianus
)
Black
Raspberry
(
Rubus leucodermis
)
Black
Raspberry
(
Rubus occidentalis
)
Dark
Raspberry
(
Rubus nigerrimus
)
Dwarf
Raspberry
(
Rubus pubescens
)
European Red
Raspberry
(
Rubus idaeus
)
Flowering
Raspberry
(
Rubus odoratus
)
Mauritius
Raspberry
(
Rubus rosaefolius
)
Northwest
Raspberry?
(
Rubus nigerrimus
)
Purple-flowering
Raspberry
(
Rubus odoratus
)
Salmon
Raspberry
(
Rubus spectabilis
)
Strawberry
Raspberry
(
Rubus illecebrosus
)
Strawberry-leaf
Raspberry
(
Rubus pedatus
)
Tropical Red
Raspberry
(
Rubus rosaefolius
)
White-stem
Raspberry
(
Rubus leucodermis
)
Wild Red
Raspberry
(
Rubus idaeus
var.
strigosus
)
Wine
Raspberry
(
Rubus phoenicolasius
)
Rat's-tail Fescue
(
Vulpia myuros
)
Rat-tail cholla
(
Opuntia whipplei
)
Rattan Collinsia
(
Collinsia rattanii
)
Rattan's milk-vetch
(
Astragalus rattanii
)
Rattan's Penstemon
(
Penstemon rattanii
)
Rattan's Phacelia
(
Phacelia rattanii
)
Rattan's scorpion-weed
(
Phacelia rattanii
)
Rattle
(
Hieracium venosum
)
Greater Yellow
Rattle
(
Rhinanthus alectorolophus
)
Narrow-leaved Yellow
Rattle
(
Rhinanthus angustifolius
)
Rattle-pod
(
Astragalus
)
Rattlepod
(
Crotalaria alata
)
Rattlesnake Fern
(
Botrychium virginianum
)
Rattlesnake Grass
(
Glyceria canadensis
)
Rattlesnake Master
(
Eryngium yuccifolium
)
Rattlesnake Plantain
(
Goodyera
)
Dwarf
Rattlesnake-plantain
(
Goodyera repens
)
Giant
Rattlesnake-plantain
(
Goodyera oblongifolia
)
Northern
Rattlesnake-plantain
(
Goodyera repens
)
Western
Rattlesnake-plantain
(
Goodyera oblongifolia
)
Yellow
Rattle
(
Rhinanthus
)
Yellow
Rattle
(
Rhinanthus minor
)
Raven's milk-vetch
(
Astragalus ravenii
)
Rayless Alkali Aster
(
Aster brachyactis
)
Perennial
Ray
(
Lolium perenne
)
Rays Knotgrass
(
Polygonum oxyspermum
)
Reclined gumweed
(
Grindelia decumbens
)
Reclining bulrush
(
Scirpus flaccidifolius
)
Recurved Blackberry
(
Rubus recurvans
)
Recurved milk-vetch
(
Astragalus recurvus
)
Red Alder
(
Alnus rubra
)
Red Ash
(
Fraxinus pennsylvanica
)
Red Baneberry
(
Actaea rubra
)
Red Bartsia
(
Odontites verna
)
Red Bay
(
Persea borbonia
)
Red Beldevere
(
Bassia scoparia
)
Red Bilberry
(
Vaccinium parvifolium
)
Red Birch
(
Betula nigra
)
Dwarf
Red Blackberry
(
Rubus pubescens
)
Red Blueberry
(
Vaccinium parvifolium
)
Red Buckeye
(
Aesculus pavia
)
Red Campion
(
Silene dioica
)
Southern
Red Cedar
(
Juniperus virginiana
var.
silicicola
)
Wild
Red Cherry
(
Prunus pensylvanica
)
Red Cinquefoil
(
Potentilla concinna
)
Red Clover
(
Trifolium pratense
)
Red Columbine
(
Aquilegia formosa
)
Red Currant
(
Ribes rubrum
)
American
Red Currant
(
Ribes triste
)
Northern
Red Currant
(
Ribes rubrum
)
Swamp
Red Currant
(
Ribes triste
)
Wild
Red Currant
(
Ribes triste
)
Tidewater
Red Cypress
(
Taxodium distichum
)
Red Dead-nettle
(
Lamium purpureum
)
Red Desert Penstemon
(
Penstemon arenicola
)
Red Elderberry
(
Sambucus racemosa
ssp.
pubens
var.
arborescens
)
Coast
Red Elderberry
(
Sambucus racemosa
ssp.
pubens
var.
arborescens
)
Mountain
Red Elderberry
(
Sambucus racemosa
ssp.
pubens
var.
microbotrys
)
European
Red Elder
(
Sambucus racemosa
)
Red Elm
(
Ulmus rubra
)
Red Elm
(
Ulmus serotina
)
Red False Mallow
(
Malvastrum coccineum
)
Red Fescue
(
Festuca rubra
)
Red Fir
(
Abies amabilis
)
Red Fir
(
Abies procera
)
California
red Fir
(
Abies magnifica
)
Red Glasswort
(
Salicornia rubra
)
Red Globe-mallow
(
Sphaeralcea coccinea
)
Red Goosefoot
(
Chenopodium chenopodioides
)
Red Goosefoot
(
Chenopodium rubrum
)
Red Grape
(
Vitis palmata
)
Red Helleborine
(
Cephalanthera rubra
)
Red Hemp Nettle
(
Galeopsis ladanum
)
Red Hemp-nettle
(
Galeopsis angustifolia
)
Red Hickory
(
Carya glabra
var.
odorata
)
Red Horned-poppy
(
Glaucium corniculatum
)
Red Huckleberry
(
Vaccinium parvifolium
)
Red Juniper
(
Juniperus virginiana
)
Southern
Red Lily
(
Lilium catesbaei
)
Red Maple
(
Acer rubrum
)
Carolina
Red Maple
(
Acer rubrum
var.
tridens
)
Drummond
Red Maple
(
Acer rubrum
var.
drummondii
)
Red Monkeyflower
(
Mimulus cardinalis
)
Red Morning-glory
(
Ipomoea coccinea
)
Red Mountain-heath
(
Phyllodoce breweri
)
Red Mulberry
(
Morus rubra
)
Red Neck Palm
(
Neodypsis darainii
)
Northern
Red Oak
(
Quercus rubra
)
Shumard
Red Oak
(
Quercus shumardii
)
Southern
Red Oak
(
Quercus falcata
)
Swamp
Red Oak
(
Quercus falcata
var.
pagodaefolia
)
Swamp
Red Oak
(
Quercus shumardii
)
Texas
red oak
(
Quercus texana
)
Red Orach
(
Atriplex rosea
)
Red Orache
(
Atriplex rosea
)
Red passion-flower
(
Passiflora manicata
)
Red Pine
(
Pinus resinosa
)
Wild
Red Plum
(
Prunus americana
)
Red Pondweed
(
Potamogeton alpinus
)
European
Red Raspberry
(
Rubus idaeus
)
Tropical
Red Raspberry
(
Rubus rosaefolius
)
Wild
Red Raspberry
(
Rubus idaeus
var.
strigosus
)
Red Sage
(
Bassia americana
)
Red Sandspurry
(
Spergularia rubra
)
Red Sorrel
(
Rumex acetosella
)
Red Spruce
(
Picea rubens
)
Red Star-thistle
(
Centaurea calcitrapa
)
Red Top
(
Agrostis stolonifera
)
Red Top
(
Agrostis stolonifera
ssp.
vulgaris
)
Red Willow-herb
(
Epilobium latifolium
)
Red-berried Elder
(
Sambucus racemosa
)
Redbud
(
Cercis canadensis
)
Redbuds
(
Cercis
)
Eastern
red-cedar
(
Juniperus virginiana
)
Reddish Sandwort
(
Minuartia rubella
)
Red-flower Currant
(
Ribes sanguineum
)
Redgum
(
Liquidambar styraciflua
)
Red-leaf Rose
(
Rosa glauca
)
Redmaids
(
Calandrinia
)
Red-osier Dogwood
(
Cornus alba
ssp.
stolonifera
)
Red-rattle
(
Pedicularis palustris
)
Red-root
(
Ceanothus
)
Redroot Pigweed
(
Amaranthus retroflexus
)
Red-seeded Dandelion
(
Taraxacum erythrospermum
)
Red-sepaled Evening-primrose
(
Oenothera
×
erythrosepala
)
Redshank
(
Persicaria maculosa
)
Red-spike mexican-hat
(
Ratibida columnifera
)
Red-stem stork's-bill
(
Erodium cicutarium
)
Red-stemmed Filaree
(
Erodium cicutarium
)
Red-stemmed Saxifrage
(
Saxifraga lyallii
)
Red-tinge bulrush
(
Scirpus microcarpus
)
Redtop
(
Agrostis gigantea
)
Red-whisker clammyweed
(
Polanisia dodecandra
)
Redwood
(
Sequoia sempervirens
)
Redwood Family
(
Taxodiaceae
)
Redwood Sorrel
(
Oxalis oregana
)
California
Redwood
(
Sequoia sempervirens
)
Coast
Redwood
(
Sequoia sempervirens
)
Indian
Redwood
(
Soymida febrifuga
)
Redwoods Violet
(
Viola sempervirens
)
Redwool Saxifrage
(
Saxifraga occidentalis
)
Reed
(
Phragmites
)
Reed Bent Grass
(
Calamagrostis
)
Reed Canary-grass
(
Phalaris arundinacea
)
Wood
Reed Grass
(
Cinna
)
Reed Meadow Grass
(
Glyceria grandis
)
Reed Sweet-grass
(
Glyceria maxima
)
Common
Reed
(
Phragmites australis
)
Giant
Reed
(
Arundo donax
)
Great
Reedmace
(
Typha latifolia
)
Reflexed Saltmarsh-grass
(
Puccinellia distans
)
Reflexed Stonecrop
(
Sedum rupestre
)
Rein Orchis
(
Habenaria
)
Elegant
Rein-orchid
(
Habenaria elegans
)
Hillside
Rein-orchid
(
Habenaria elegans
)
Large Round-leaved
Rein-orchid
(
Habenaria orbiculata
)
Relict Trillium
(
Trillium reliquum
)
Remarkable Goat's Beard
(
Tragopogon mirus
)
Remote Sedge
(
Carex remota
)
Resin-weed
(
Grindelia squarrosa
)
Resinweed
(
Grindelia
)
Common
Restharrow
(
Ononis repens
)
Spiny
Restharrow
(
Ononis spinosa
)
Resurrected Fern
(
Polypodium polypodioides
)
Revenant milk-vetch
(
Astragalus reventus
)
Reversed Clover
(
Trifolium resupinatum
)
Rhatany Root
(
Krameria triandra
)
Rheumatism Root
(
Jeffersonia diphylla
)
Rhexia-leaved Paintbrush
(
Castilleja rhexifolia
)
Rhode Island Bent
(
Agrostis canina
)
Rosebay
Rhododendron
(
Rhododendron maximum
)
Rhododendrons
(
Rhododendron
)
Western
Rhododendron
(
Rhododendron macrophyllum
)
White
Rhododendron
(
Rhododendron albiflorum
)
Rhodora
(
Rhododendron canadense
)
Rib Grass
(
Plantago lanceolata
)
Ribbed Melilot
(
Melilotus officinalis
)
Ribbon Grass
(
Phalaris arundinacea
f.
picta
)
Ribwort
(
Plantago
)
Ribwort
(
Plantago lanceolata
)
Ribwort Plantain
(
Plantago lanceolata
)
Rice
(
Oryza sativa
)
Rice Cut-grass
(
Leersia oryzoides
)
Indian
Rice
(
Zizania
)
Indian
Rice
(
Fritillaria camschatcensis
)
Indian
Rice
(
Zizania palustris
)
Jungle
Rice
(
Echinochloa colonum
)
Rice-root Fritillary
(
Fritillaria lanceolata
)
Water
Rice
(
Zizania
)
Richardson Rush
(
Juncus alpinoarticulatus
)
Richardson Tansymustard
(
Descurainia richardsonii
)
Richardson Willow
(
Salix lanata
ssp.
richardsonii
)
Richardson's Alumroot
(
Heuchera richardsonii
)
Richardson's Penstemon
(
Penstemon richardsonii
)
Puerto
Rico Magnolia
(
Magnolia portoricensis
)
Blue
Ridge Wakerobin
(
Trillium stamineum
)
Rigid Fiddleneck
(
Amsinckia retorsa
)
Rigid Hedge-nettle
(
Stachys rigida
)
Rigid Hornwort
(
Ceratophyllum demersum
)
Rigid Peavine
(
Lathyrus rigidus
)
Rigid Rye-grass
(
Lolium rigidum
)
Rillscale
(
Atriplex dioica
)
Rimrock milk-vetch
(
Astragalus desperatus
)
Rio grande prickly-pear
(
Opuntia aureispina
)
Rio grande scorpion-weed
(
Phacelia infundibuliformis
)
Ripley's milk-vetch
(
Astragalus ripleyi
)
Ripple Grass
(
Plantago lanceolata
)
Santa
rita prickly-pear
(
Opuntia santa-rita
)
River Beauty
(
Epilobium latifolium
)
River Birch
(
Betula nigra
)
Androscoggin
River Blackberry
(
Rubus sceleratus
)
James
River Blackberry
(
Rubus rosarius
)
Watauga
River Blackberry
(
Rubus immanis
)
River Bulrush
(
Schoenoplectus fluviatilis
)
Snake
River Canyon Nemophila
(
Nemophila kirtleyi
)
River Cinquefoil
(
Potentilla rivalis
)
River Cottonwood
(
Populus heterophylla
)
Salmon
River Desert-Parsley
(
Lomatium salmoniflorum
)
Wind
River Draba
(
Draba ventosa
)
Snake
River Gooseberry
(
Ribes niveum
)
Columbia
river gumweed
(
Grindelia columbiana
)
Salmon
River Lomatium
(
Lomatium salmoniflorum
)
St Johns
River Lousewort
(
Pedicularis furbishiae
)
River Maple
(
Acer saccharinum
)
Green
River milk-vetch
(
Astragalus pubentissimus
)
Hood
River milk-vetch
(
Astragalus hoodianus
)
Humboldt
river milk-vetch
(
Astragalus iodanthus
)
Lost
river milk-vetch
(
Astragalus amnis-amissi
)
Platte
River milk-vetch
(
Astragalus plattensis
)
Rogue
river milk-vetch
(
Astragalus accidens
)
Columbia
River Mugwort
(
Artemisia lindleyana
)
Bear
River Penstemon
(
Penstemon compactus
)
Snake
River Phlox
(
Phlox colubrina
)
Kaweah
river scorpion-weed
(
Phacelia egena
)
Chattahoochee
River Wakerobin
(
Trillium decipiens
)
Sabine
River Wakerobin
(
Trillium gracile
)
River-bank Grape
(
Vitis vulpina
)
Riverbank Wormwood
(
Artemisia lindleyana
)
Riverweed Family
(
Podostemaceae
)
Rivet Wheat
(
Triticum turgidum
)
Roan Mountain Goldenrod
(
Solidago roanensis
)
Robbins' milk-vetch
(
Astragalus robbinsii
)
Herb
Robert
(
Geranium robertianum
)
Robin's Plantain
(
Erigeron pulchellus
)
Eagle
Rock Blackberry
(
Rubus pubifolius
)
Rock Buckwheat
(
Eriogonum sphaerocephalum
)
Rock Campion
(
Silene rupestris
)
Rock Chestnut Oak
(
Quercus prinus
)
Rock Cinquefoil
(
Drymocallis rupestris
)
Rock Clematis
(
Clematis columbiana
)
Rock Clubmoss
(
Huperzia porophila
)
Rock Cranberry
(
Vaccinium vitis-idaea
var.
minus
)
Rock Crane's-bill
(
Geranium macrorrhizum
)
Rock Elm
(
Ulmus thomasii
)
Rock Goldenrod
(
Solidago rupestris
)
Rock hedge-nettle
(
Stachys bigelovii
)
Rock Lupine
(
Lupinus saxosus
)
Rock Maple
(
Acer saccharum
)
Rock Oak
(
Quercus prinus
)
Desert
rock pea
(
Lotus rigidus
)
Rock Penstemon
(
Penstemon rupicola
)
Rock scorpion-weed
(
Phacelia rupestris
)
Rock Speedwell
(
Veronica fruticans
)
Rock Spike-moss
(
Selaginella rupestris
)
Bush
Rock Spirea
(
Holodiscus dumosus
)
Rush
Rock Spirea
(
Holodiscus dumosus
)
Rock Sword-fern
(
Polystichum scopulinum
)
Rock-brake Ferns
(
Cryptogramma
)
American
Rock-brake
(
Cryptogramma crispa
var.
acrostichoides
)
Slender
Rock-brake
(
Cryptogramma stelleri
)
Rock-cap Fern
(
Polypodium virginianum
)
Rock-cap Ferns
(
Polypodium
)
Rockcress
(
Arabis
)
Broad-seeded
Rockcress
(
Arabis platysperma
)
Cascade
Rockcress
(
Arabis furcata
)
Cobre
Rockcress
(
Arabis cobrensis
)
Cross-haired
Rockcress
(
Arabis crucisetosa
)
Cusick's
Rockcress
(
Arabis cusickii
)
Drummond's
Rockcress
(
Arabis drummondii
)
Flatseed
Rockcress
(
Arabis platysperma
)
Fork-haired
Rockcress
(
Arabis furcata
)
Hairy
Rock-cress
(
Arabis hirsuta
)
Hoary
Rockcress
(
Arabis puberula
)
Holboell's
Rockcress
(
Arabis holboellii
)
Lemmon's
Rockcress
(
Arabis lemmonii
)
Littleleaf
Rockcress
(
Arabis microphylla
)
Lyall's
Rockcress
(
Arabis lyallii
)
Lyreleaved
Rockcress
(
Arabis lyrata
)
Sicklepod
Rockcress
(
Arabis sparsiflora
)
Spreadingpod
Rockcress
(
Arabis divaricarpa
)
Tall
Rock-cress
(
Cardaminopsis arenosa
)
Woody
Rockcress
(
Arabis suffrutenscens
)
Woody-branched
Rockcress
(
Arabis lignifera
)
Eastern
Rocket
(
Sisymbrium orientale
)
Garden
Rocket
(
Eruca vesicaria
)
Hairy
Rocket
(
Erucastrum gallicum
)
Prairie
Rocket
(
Erysimum asperum
)
Sand
Rocket
(
Diplotaxis muralis
)
Sea
Rocket
(
Cakile maritima
ssp.
baltica
)
Smallflowered
Rocket
(
Erysimum inconspicuum
)
Rocketstar
(
Lithophragma bulbifera
)
Tall
Rocket
(
Sisymbrium altissimum
)
Wall
Rocket
(
Diplotaxis tenuifolia
)
Yellow
Rocket
(
Barbarea vulgaris
)
Rock-fumewort
(
Pseudofumaria
)
Rock-rose
(
Oenothera caespitosa
)
Rockrose
(
Helianthemum
)
Rock-rose Family
(
Cistaceae
)
Common
Rock-rose
(
Helianthemum nummularium
)
Rockslide Larkspur
(
Delphinium glareosum
)
Rockvine Penstemon
(
Penstemon ellipticus
)
Rocky Mountain Aster
(
Aster stenomeres
)
Rocky Mountain Bluebells
(
Mertensia humilis
)
Rocky Mountain Bristlecone Pine
(
Pinus aristata
)
Rocky Mountain Checker-mallow
(
Sidalcea neomexicana
)
Rocky Mountain Clematis
(
Clematis pseudoalpina
)
Rocky Mountain Flag
(
Iris missouriensis
)
Rocky mountain juniper
(
Juniperus scopulorum
)
Rocky Mountain Lodgepole Pine
(
Pinus contorta
var.
latifolia
)
Rocky Mountain Maple
(
Acer glabrum
var.
glabrum
)
Rocky mountain milk-vetch
(
Astragalus scopulorum
)
Rocky Mountain Paintbrush
(
Castilleja covilleana
)
Rocky Mountain Rush
(
Juncus ensifolius
)
Rocky Mountain Sagewort
(
Artemisia scopulorum
)
Rocky mountain scorpion-weed
(
Phacelia denticulata
)
Roezl's Penstemon
(
Penstemon roezlii
)
Rogue river milk-vetch
(
Astragalus accidens
)
Rolled gumweed
(
Grindelia revoluta
)
Rollins' Desert-parsley
(
Lomatium rollinsii
)
Rollins' Lomatium
(
Lomatium rollinsii
)
Roman Chamomile
(
Chamaemelum nobile
)
Roman Nettle
(
Urtica pilulifera
)
Roman Wormwood
(
Ambrosia artemisiifolia
)
Root Beet
(
Beta vulgaris
)
Alkanet
root?
(
Alkanna tinctoria
)
Alpam
root?
(
Bragantia wallichii
)
Black Snake
root
(
Cimicifuga racemosa
)
Blood
Root?
(
Sanguinaria canadensis
)
Contrayerva
Root?
(
Dorstenia brasiliensis
)
Coral
Root
(
Corallorhiza
)
Dragon
Root
(
Arisaema dracontium
)
False Jasmine
Root
(
Gelsemium sempervirens
)
Ginseng
Root
(
Panax schinseng
)
Indian Pink
Root
(
Spigelia marilandica
)
Liquorice
Root
(
Glycyrrhiza glabra
)
Musquash
Root
(
Cicuta maculata
)
Pappoose
Root
(
Caulophyllum thalictroides
)
Rhatany
Root
(
Krameria triandra
)
Rheumatism
Root
(
Jeffersonia diphylla
)
Rootspine Palm
(
Crysophila warscewiczii
)
Siyah Musli
roots
(
Aneilema scapiflorum
)
Santa
rosa island scorpion-weed
(
Phacelia insularis
)
Rose
(
Rosa
)
Rose Acacia
(
Robinia hispida
)
Rose Apple
(
Eugenia jambos
)
Lappland
Rose Bay
(
Rhododendron lapponicum
)
Mountain
Rose Bay
(
Rhododendron catawbiense
)
Rose Blackberry
(
Rubus rosa
)
Rose campion
(
Lychnis coronaria
)
Rose Checker-mallow
(
Sidalcea virgata
)
Rose Crown
(
Rhodiola rhodantha
)
Rose Family
(
Rosaceae
)
Rose Mallow
(
Hibiscus
)
Halberd-leaved
Rose Mallow
(
Hibiscus militaris
)
Swamp
Rose Mallow
(
Hibiscus moscheutos
)
Rose Willow-herb
(
Epilobium obcordatum
)
Arkansas
Rose
(
Rosa arkansana
)
Baldhip
Rose
(
Rosa gymnocarpa
)
Rosebay Rhododendron
(
Rhododendron maximum
)
Rosebay Willow-herb
(
Epilobium angustifolium
)
Bristly Nootka
Rose
(
Rosa nutkana
var.
hispida
)
Burnet
Rose
(
Rosa spinosissima
)
Cabbage
Rose
(
Rosa centifolia
)
California
Rose
(
Calystegia pellita
)
Carolina
Rose
(
Rosa carolina
)
Chickasaw
Rose
(
Rosa bracteata
)
Cinnamon
Rose
(
Rosa majalis
)
Climbing
Rose
(
Rosa setigera
)
Clustered
Rose
(
Rosa pisocarpa
)
Clustered Wild
Rose
(
Rosa pisocarpa
)
Cotton
Rose?
(
Filago
)
Damask
Rose
(
Rosa
×
damascena
)
Dog
Rose
(
Rosa canina
)
Double Cinnamon
Rose
(
Rosa majalis
)
French
Rose
(
Rosa gallica
)
Japanese
Rose
(
Rosa multiflora
)
Japanese
Rose
(
Rosa rugosa
)
Little Wild
Rose
(
Rosa gymnocarpa
)
Macartney
Rose
(
Rosa bracteata
)
Rosemary
(
Rosmarinus officinalis
)
Rosemary Pine
(
Pinus echinata
)
Bog
Rosemary
(
Andromeda glaucophylla
)
Bog
Rosemary
(
Andromeda polifolia
)
Memorial
Rose
(
Rosa wichuraiana
)
Nootka
Rose
(
Rosa nutkana
)
Nootka
Rose
(
Rosa nutkana
var.
nutkana
)
Peafruit
Rose
(
Rosa pisocarpa
)
Pearhip
Rose
(
Rosa woodsii
var.
ultramontana
)
Prairie
Rose
(
Rosa arkansana
)
Prairie
Rose
(
Rosa setigera
)
Pricly
Rose
(
Rosa acicularis
)
Rambler
Rose
(
Rosa multiflora
)
Red-leaf
Rose
(
Rosa glauca
)
Roseroot
(
Rhodiola rosea
)
Rugosa
Rose
(
Rosa rugosa
)
Rose's Angelica
(
Angelica roseana
)
Scotch
Rose
(
Rosa spinosissima
)
Shining
Rose
(
Rosa nitida
)
Smooth
Rose
(
Rosa blanda
)
Swamp
Rose
(
Rosa palustris
)
Sweetbriar
Rose
(
Rosa eglanteria
)
Virginia
Rose
(
Rosa virginiana
)
White-woolly
Rose
(
Rosa tomentosa
)
Wood
rose
(
Rosa gymnocarpa
)
Indian
Rosewood
(
Dalbergia latifolia
)
Wood's
Rose
(
Rosa woodsii
var.
woodsii
)
Yellow
Rose
(
Dasiphora fruticosa
)
Rosinbush
(
Baccharis sarothroides
)
Rosjasmine Buckwheat
(
Eriogonum androsaceum
)
Ross' Avens
(
Geum rossii
)
Ross Sandwort
(
Minuartia rossii
)
Rosy Balsamroot
(
Balsamorhiza rosea
)
Rosy Garlic
(
Allium roseum
)
Rosy Owl-clover
(
Orthocarpus bracteosus
)
Rosy Plectritis
(
Plectritis congesta
)
Rosy Twisted-stalk
(
Streptopus roseus
)
Rothrock's fiddleleaf
(
Nama rothrockii
)
Rothrock's hedge-nettle
(
Stachys rothrockii
)
Rough Bedstraw
(
Galium asprellum
)
Rough Bellflower
(
Campanula scabrella
)
Rough Bent
(
Agrostis scabra
)
Rough Bristle-grass
(
Setaria verticillata
)
Rough Cat's-ear
(
Hypochaeris radicata
)
Rough Cinquefoil
(
Potentilla norvegica
)
Rough Clover
(
Trifolium scabrum
)
Rough Comfrey
(
Symphytum asperum
)
Rough Dog's-tail
(
Cynosurus echinatus
)
Western
Rough Goldenrod
(
Solidago radula
)
Rough gumweed
(
Grindelia scabra
)
Rough Harebell
(
Campanula scabrella
)
Rough Hawkbit
(
Leontodon hispidus
)
Rough Hawk's-beard
(
Crepis biennis
)
Rough Horsetail
(
Equisetum hyemale
)
Rough Meadow-grass
(
Poa trivialis
)
Rough Peavine
(
Lathyrus hirsutus
)
Rough Poppy
(
Papaver hybridum
)
Rough Sumpseed
(
Iva ciliata
)
Rough Wallflower
(
Erysimum asperum
)
Rough-leaved Aster
(
Aster radulinus
)
Roughstalk Blue-grass
(
Poa trivialis
)
Rough-stalked Meadow Grass
(
Poa trivialis
)
Round-branch Ground-pine
(
Lycopodium dendroideum
)
Round-fruited Rush
(
Juncus compressus
)
Round-headed Club-rush?
(
Scirpoides holoschoenus
)
Round-headed Eriogonum
(
Eriogonum sphaerocephalum
)
Roundleaf Alumroot
(
Heuchera cylindrica
)
Virginia
Roundleaf Birch
(
Betula uber
)
Round-leaf Goldenrod
(
Solidago patula
)
Roundleaf Monkeyflower
(
Mimulus glabratus
)
Round-leaf Ragwort
(
Senecio obovatus
)
Round-leaf scorpion-weed
(
Phacelia rotundifolia
)
Round-leaf stork's-bill
(
Erodium macrophyllum
)
Round-leaved Cornel
(
Cornus circinata
)
Round-leaved Crane's-bill
(
Geranium rotundifolium
)
Round-leaved Dogwood
(
Cornus circinata
)
Round-leaved Dwarf Birch
(
Betula nana
ssp.
rotundifolia
)
Round-leaved Fluellin
(
Kickxia spuria
)
Round-leaved Mint
(
Mentha rotundifolia
)
Round-leaved Mint
(
Mentha suaveolens
)
Large
Round-leaved Rein-orchid
(
Habenaria orbiculata
)
Round-leaved Sundew
(
Drosera rotundifolia
)
Round-leaved Violet
(
Viola orbiculata
)
Round-leaved Violet
(
Viola rotundifolia
)
Round-leaved Wintergreen
(
Pyrola rotundifolia
)
Rover Bellflower
(
Campanula rapunculoides
)
Roving prickly-pear
(
Opuntia repens
)
Rowan
(
Sorbus aucuparia
)
Rowan Tree
(
Sorbus aucuparia
)
American
Royal Fern
(
Osmunda regalis
)
Royal Ferns
(
Osmunda
)
Royal Jacob's-ladder
(
Polemonium carneum
)
Royal Mallow
(
Lavatera trimestris
)
Cuban
Royal Palm
(
Raystonea regia
)
Royal Paulownia
(
Paulownia tomentosa
)
Royal Penstemon
(
Penstemon speciosus
)
Ceara
Rubber Plant
(
Manihot glaziovii
)
Hevea
Rubber Plant
(
Hevea brasiliensis
)
Silk
Rubber Tree
(
Funtumia elastica
)
Rue
(
Ruta
)
Rue Family
(
Rutaceae
)
Rue-anemone
(
Isopyrum
)
Common
Rue
(
Ruta graveolens
)
Rue-leaved Saxifrage
(
Saxifraga tridactylites
)
Rufous bulrush
(
Scirpus pendulus
)
Rugosa Rose
(
Rosa rugosa
)
Rum Cherry
(
Prunus serotina
)
Runcinate-leaved Skeletonweed
(
Stephanomeria runcinata
)
Running Clubmoss
(
Lycopodium clavatum
)
Running Ground-pine
(
Lycopodium clavatum
)
Running oak
(
Quercus pumila
)
Northen
Running Pine
(
Diphasiastrum complanatum
)
Southern
Running Pine
(
Diphasiastrum digitatum
)
Running-pine
(
Diphasiastrum digitatum
)
Hairy
Rupturewort
(
Herniaria hirsuta
)
Smooth
Rupturewort
(
Herniaria glabra
)
Rural Paintbrush
(
Castilleja rustica
)
Rusby's milk-vetch
(
Astragalus rusbyi
)
Rush
(
Juncus
)
Rush Aster
(
Aster junciformis
)
Rush Buckwheat
(
Eriogonum elatum
)
Rush Family
(
Juncaceae
)
Rush Rock Spirea
(
Holodiscus dumosus
)
Alpine
Rush
(
Juncus alpinoarticulatus
)
Arctic
Rush
(
Juncus arcticus
)
Baltic
Rush
(
Juncus balticus
)
Beak
Rush
(
Rhynchospora
)
Bog
Rush
(
Juncus
)
Bulbous
Rush
(
Juncus bulbosus
)
Club
Rush
(
Scirpus
)
Common
Rush
(
Juncus effusus
)
Compact
Rush
(
Juncus conglomeratus
)
Dwarf
Rush
(
Juncus capitatus
)
Hard
Rush
(
Juncus inflexus
)
Heath
Rush
(
Juncus squarrosus
)
Horned
Rush
(
Rhynchospora corniculata
)
Jointed
Rush
(
Juncus articulatus
)
Moor
Rush
(
Juncus stygius
)
Rush-pink
(
Stephanomeria
)
Richardson
Rush
(
Juncus alpinoarticulatus
)
Rocky Mountain
Rush
(
Juncus ensifolius
)
Round-fruited
Rush
(
Juncus compressus
)
Salt-marsh
Rush
(
Juncus gerardii
)
Sharp-flowered
Rush
(
Juncus acutiflorus
)
Slender
Rush
(
Juncus tenuis
)
Soft
Rush
(
Juncus effusus
)
Spike
Rush
(
Eleocharis
)
Thread
Rush
(
Juncus filiformis
)
Three-flowered
Rush
(
Juncus triglumis
)
Three-leaved
Rush
(
Juncus trifidus
)
Toad
Rush
(
Juncus bufonius
)
Twig
Rush
(
Cladium
)
Two-flower
Rush
(
Juncus biglumis
)
Wood
Rush
(
Luzula
)
Great
rushy milk-vetch
(
Astragalus lonchocarpus
)
Lesser
rushy milk-vetch
(
Astragalus convallarius
)
Russet Sedge
(
Carex saxatilis
)
Russet-bristle Cotton-grass
(
Eriophorum russeolum
)
Russian Blue Lettuce
(
Lactuca tatarica
)
Russian Cinquefoil
(
Potentilla intermedia
)
Russian Knapweed
(
Acroptilon repens
)
Russian Knapweed
(
Centaurea repens
)
Russian Pigweed
(
Axyris amaranthoides
)
Russian Star-thistle
(
Centaurea repens
)
Russian tamarisk
(
Tamarix aralensis
)
Russian tamarisk
(
Tamarix aralensis
)
Russian Thistle
(
Salsola kali
)
Russian thistle
(
Salsola tragus
)
Russian-sickle
(
Astragalus falcatus
)
Barbwire
russian-thisle
(
Salsola paulsenii
)
Opposite-leave
russian-thistle
(
Salsola soda
)
Shrubby
russian-thistle
(
Salsola vermiculata
)
Slender
russian-thistle
(
Salsola collina
)
Rustic Paintbrush
(
Castilleja rustica
)
Rusty Black Haw
(
Viburnum rufidulum
)
Rusty Cliff Fern
(
Woodsia ilvensis
)
Rusty Lupine
(
Lupinus pusillus
)
Rusty Nannyberry
(
Viburnum rufidulum
)
Rusty Woodsia
(
Woodsia ilvensis
)
Rusy Saxifrage
(
Saxifraga ferruginea
)
Rutland Beauty
(
Calystegia sepium
)
Rydberg's milk-vetch
(
Astragalus perianus
)
Rydbgerg's Penstemon
(
Penstemon rydbergii
)
Rye
(
Secale cereale
)
Rye Brome
(
Bromus secalinus
)
Rye Grass
(
Lolium perenne
)
Canada Wild
Rye
(
Elymus canadensis
)
Italian
Rye-grass
(
Lolium multiflorum
)
Perennial
Rye-grass
(
Lolium perenne
)
Poison
Rye-grass
(
Lolium temulentum
)
Rigid
Rye-grass
(
Lolium rigidum
)
Wild
Rye
(
Elymus
)
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