Starting with RA
- rabbit brush
- rabbit bush
- rabbiteye
- rabbiteye blueberry
- rabbitweed
- rabbitwood
- raceme
- rachis
- radiigera
- radiigera fuscogleba
- radish
- radish plant
- radyera
- radyera farragei
- raetam
- raffia
- raffia farinifera
- raffia palm
- raffia ruffia
- raffia taedigera
- raffia vinifera
- rafflesiaceae
- rag gourd
- ragee
- ragged orchid
- ragged orchis
- ragged robin
- ragi
- ragweed
- ragwort
- railroad vine
- rain tree
- rainbow cactus
- rainbow pink
- rainbow shower
- ramalina
- rambutan
- rambutan tree
- ramee
- ramie
- ramona
- ramontchi
- ramp
- rampion
- rampion bellflower
- ramsons
- ranales
- ranalian complex
- rangpur
- rangpur lime
- ranunculaceae
- ranunculales
- ranunculus
- ranunculus acris
- ranunculus aquatilis
- ranunculus bulbosus
- ranunculus ficaria
- ranunculus flammula
- ranunculus glaberrimus
- ranunculus lingua
- ranunculus lyalii
- ranunculus occidentalis
- ranunculus repens
- ranunculus sceleratus
- raoulia
- raoulia australis
- raoulia lutescens
- rapateaceae
- raphanus
- raphanus raphanistrum
- raphanus sativus
- raphia
- rasp fern
- raspberry
- raspberry bush
- ratibida
- ratibida columnaris
- ratibida columnifera
- ratibida tagetes
- rattail cactus
- rattan
- rattan cane
- rattan palm
- rattle weed
- rattlebox
- rattlesnake fern
- rattlesnake master
- rattlesnake orchid
- rattlesnake plantain
- rattlesnake root
- rattlesnake weed
- rauli beech
- rauvolfia
- rauwolfia
- rauwolfia serpentina
- ravenala
- ravenna grass
- ray
- ray floret
- ray flower
- rayless chamomile
Starting with RE
- receptacle
- red alder
- red amaranth
- red ash
- red baneberry
- red bay
- red bearberry
- red beech
- red birch
- red bryony
- red buckeye
- red cabbage
- red campion
- red cedar
- red clintonia
- red clover
- red cole
- red currant
- red cypress pine
- red dagga
- red dogwood
- red elm
- red false mallow
- red fox
- red ginger
- red goosefoot
- red gram
- red gum
- red haw
- red helleborine
- red juniper
- red kauri
- red lauan
- red lauan tree
- red maids
- red maple
- red mulberry
- red oak
- red osier
- red osier dogwood
- red periwinkle
- red pimpernel
- red pine
- red raspberry
- red sandalwood
- red sanders
- red sanderswood
- red saunders
- red shrubby penstemon
- red silver fir
- red sorrel
- red spruce
- red trillium
- red valerian
- red willow
- redberry
- redbird cactus
- redbird flower
- redbrush
- redbud
- redmaids
- redroot
- redstem storksbill
- redwood
- redwood family
- redwood penstemon
- reed
- reed canary grass
- reed grass
- reed mace
- reed meadow grass
- reed rhapis
- reedmace
- regnellidium
- regnellidium diphyllum
- rein orchid
- rein orchis
- reindeer lichen
- reindeer moss
- relict
- reniform leaf
- reproductive structure
- reseda
- reseda luteola
- reseda odorata
- resedaceae
- restharrow
- resting spore
- resurrection fern
- resurrection plant
- retama
- retama raetam
- retem
- retrophyllum
- rex begonia
Starting with RH
- rhamnaceae
- rhamnales
- rhamnus
- rhamnus californicus
- rhamnus carolinianus
- rhamnus croceus
- rhamnus frangula
- rhamnus purshianus
- rhapis
- rhapis excelsa
- rhapis humilis
- rheum
- rheum australe
- rheum cultorum
- rheum emodi
- rheum palmatum
- rheum rhabarbarum
- rheum rhaponticum
- rheumatism weed
- rhexia
- rhipsalis
- rhizoctinia
- rhizoctinia solani
- rhizoid
- rhizomatous begonia
- rhizome
- rhizomorph
- rhizophora
- rhizophora mangle
- rhizophoraceae
- rhizopogon
- rhizopogon idahoensis
- rhizopogonaceae
- rhizopus
- rhizopus nigricans
- rhizopus stolonifer
- rhodanthe
- rhodanthe manglesii
- rhode island bent
- rhodes grass
- rhododendron
- rhododendron maxima
- rhododendron viscosum
- rhodosphaera
- rhoeadales
- rhubarb
- rhubarb plant
- rhus
- rhus aromatica
- rhus copallina
- rhus diversiloba
- rhus glabra
- rhus laurina
- rhus ovata
- rhus quercifolia
- rhus radicans
- rhus rhodanthema
- rhus toxicodenedron
- rhus trilobata
- rhus typhina
- rhus verniciflua
- rhus vernix
- rhyncostylis
- rhynia
- rhyniaceae
Starting with RI
- ribbon fern
- ribbon grass
- ribbon tree
- ribbonwood
- ribes
- ribes grossularia
- ribes nigrum
- ribes rubrum
- ribes sanguineum
- ribes sativum
- ribgrass
- ribwort
- rice
- rice grass
- ricegrass
- richea
- richea dracophylla
- richea pandanifolia
- richweed
- ricinus
- ricinus communis
- riesling
- rimu
- ring rot fungus
- ringworm bush
- ringworm cassia
- ringworm shrub
- rio nunez coffee
- river birch
- river gum
- river red gum
- rivina
- rivina humilis
Starting with RO
- roast beef plant
- robinia
- robinia hispida
- robinia pseudoacacia
- robinia viscosa
- roble
- roble beech
- robusta coffee
- rocambole
- roccella
- roccella tinctoria
- roccellaceae
- rock brake
- rock cress
- rock elm
- rock geranium
- rock harlequin
- rock maple
- rock penstemon
- rock pink
- rock plant
- rock polypody
- rock purslane
- rock rose
- rock sandwort
- rock spikemoss
- rockcress
- rocket
- rocket cress
- rocket larkspur
- rocket salad
- rockfoil
- rockingham podocarp
- rockrose
- rockrose family
- rocky mountain dogbane
- rocky mountain pinon
- rocky mountains cherry
- romaine lettuce
- roman coriander
- roman hyacinth
- roman nettle
- roman wormwood
- romneya
- romneya coulteri
- roof mushroom
- rooibos
- root
- root cap
- root celery
- root climber
- root crop
- root hair
- root system
- rootage
- rootlet
- rootstalk
- rootstock
- ropebark
- roquette
- roridula
- roridulaceae
- rorippa
- rorippa amphibia
- rorippa islandica
- rosa
- rosa banksia
- rosa canina
- rosa chinensis
- rosa damascena
- rosa eglanteria
- rosa laevigata
- rosa moschata
- rosa multiflora
- rosa odorata
- rosa pendulina
- rosa spithamaea
- rosaceae
- rosales
- rose
- rose acacia
- rose apple
- rose bay
- rose campion
- rose chestnut
- rose family
- rose geranium
- rose globe lily
- rose gum
- rose hip
- rose leek
- rose mallow
- rose moss
- rose of china
- rose of jericho
- rose of sharon
- rose periwinkle
- rose pink
- rosebay
- rosebay willowherb
- rosebud
- rosebud cherry
- rosebud orchid
- rosebush
- rosehip
- roselle
- rosellinia
- rosemary
- rosette
- rosewood
- rosewood tree
- rosid dicot family
- rosid dicot genus
- rosidae
- rosilla
- rosinweed
- rosita
- rosmarinus
- rosmarinus officinalis
- rouge plant
- rougeberry
- rough bindweed
- rough bristlegrass
- rough horsetail
- rough pea
- round kumquat
- rowan
- rowan tree
- rowanberry
- royal agaric
- royal fern
- royal osmund
- royal palm
- royal poinciana
- royal velvet plant
- roystonea
- roystonea oleracea
- roystonea regia
- rozelle
Starting with RU
- rubber plant
- rubber tree
- rubia
- rubia cordifolia
- rubia tinctorum
- rubiaceae
- rubiaceous plant
- rubiales
- rubus
- rubus australis
- rubus caesius
- rubus canadensis
- rubus chamaemorus
- rubus cissoides
- rubus cuneifolius
- rubus flagellaris
- rubus fruticosus
- rubus hispidus
- rubus idaeus
- rubus idaeus strigosus
- rubus loganobaccus
- rubus occidentalis
- rubus odoratus
- rubus parviflorus
- rubus phoenicolasius
- rubus saxatilis
- rubus spectabilis
- rubus strigosus
- rubus trivialis
- rubus ursinus
- ruby wood
- rudbeckia
- rudbeckia hirta
- rudbeckia laciniata
- rudbeckia serotina
- ruddles
- rue
- rue anemone
- rue family
- rufous rubber cup
- rum cherry
- rumex
- rumex acetosa
- rumex acetosella
- rumex obtusifolius
- rumex scutatus
- rumohra
- rumohra adiantiformis
- runaway robin
- runch
- runcinate leaf
- runner
- runner bean
- running blackberry
- running pine
- running pop
- rupestral plant
- rupestrine plant
- rupicolous plant
- ruptiliocarpon
- rupturewort
- ruscaceae
- ruscus
- ruscus aculeatus
- rush
- rush aster
- rush family
- rush grass
- rush nut
- rush rose
- russian almond
- russian cactus
- russian dandelion
- russian olive
- russian thistle
- russian tumbleweed
- russian vine
- russula
- russulaceae
- rust
- rust fungus
- rusty rig
- rusty woodsia
- ruta
- ruta graveolens
- rutabaga
- rutabaga plant
- rutaceae
Starting with RY
Plants that Start with R
Plants provide homes for wildlife, jungles and swamps, contain a huge diversity of animals, and plants. We hope you’ll learn more about the plants that start with R.