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University of California, Berkeley
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Jepson eFlora:
Index Page
Vascular Plants of California
Key to families
|
Table of families and genera
Scientific Name
Index Page: R
Scientific Name
Common Name
Rafinesquia
↳ Key to Rafinesquia
Rafinesquia californica
CALIFORNIA CHICORY
Native
Rafinesquia neomexicana
DESERT CHICORY
Native
Raillardella
↳ Key to Raillardella
Raillardella argentea
SILKY RAILLARDELLA
Native
Raillardella pringlei
SHOWY RAILLARDELLA
Native
Raillardella scaposa
Native
Raillardiopsis muirii
(Under Carlquistia muirii)
Synonym
Raillardiopsis scabrida
(Under Anisocarpus scabridus)
Synonym
Ranunculaceae
↳ Key to Ranunculaceae
BUTTERCUP FAMILY
Ranunculus
↳ Key to Ranunculus
BUTTERCUP
Ranunculus acris
Waif
Ranunculus alceus
(Under Ranunculus occidentalis var. ultramontanus)
Synonym
Ranunculus alismifolius
Native
Ranunculus alismifolius var. alismellus
Native
Ranunculus alismifolius var. alismifolius
Native
Ranunculus alismifolius var. hartwegii
Native
Ranunculus alismifolius var. lemmonii
Native
Ranunculus alveolatus
(Under Ranunculus bonariensis var. trisepalus)
Synonym
Ranunculus andersonii
Native
Ranunculus aquatilis
Native
Ranunculus aquatilis var. aquatilis
Native
Ranunculus aquatilis var. capillaceus
(Under Ranunculus aquatilis var. diffusus)
Synonym
Ranunculus aquatilis var. diffusus
Native
Ranunculus aquatilis var. harrisii
(Under Ranunculus aquatilis var. diffusus)
Synonym
Ranunculus aquatilis var. hispidulus
(Under Ranunculus aquatilis var. aquatilis)
Synonym
Ranunculus aquatilis var. longirostris
(Under Ranunculus aquatilis var. diffusus)
Synonym
Ranunculus aquatilis var. subrigidus
(Under Ranunculus aquatilis var. diffusus)
Synonym
Ranunculus aquatilus
(Under Ranunculus aquatilis)
Orthographic variant
Ranunculus arvensis
Naturalized
Ranunculus bonariensis var. trisepalus
Native
Ranunculus bongardii
(Under Ranunculus uncinatus)
Synonym
Ranunculus bulbosus
Waif
Ranunculus californicus
Native
Ranunculus californicus var. austromontanus
(Under Ranunculus californicus var. californicus)
Synonym
Ranunculus californicus var. californicus
Native
Ranunculus californicus var. cuneatus
Native
Ranunculus californicus var. gratus
(Under Ranunculus californicus var. californicus)
Synonym
Ranunculus californicus var. rugulosus
(Under Ranunculus californicus var. californicus)
Synonym
Ranunculus canus
Native
Ranunculus canus var. canus
Native
Ranunculus canus var. ludovicianus
Native
Ranunculus circinatus var. subrigidus
(Under Ranunculus aquatilis var. diffusus)
Synonym
Ranunculus cymbalaria
Native
Ranunculus cymbalaria var. saximontanus
(Under Ranunculus cymbalaria)
Synonym
Ranunculus delphinifolius
(Under Ranunculus flabellaris)
Synonym
Ranunculus eschscholtzii
Native
Ranunculus eschscholtzii var. eschscholtzii
Native
Ranunculus eschscholtzii var. oxynotus
Native
Ranunculus eschscholtzii var. suksdorfii
Native
Ranunculus flabellaris
Native
Ranunculus flammula
Native
Ranunculus flammula var. flammula
Native
Ranunculus flammula var. ovalis
Native
Ranunculus flammula var. samolifolius
(Under Ranunculus flammula var. ovalis)
Synonym
Ranunculus glaberrimus
Native
Ranunculus glaberrimus var. ellipticus
Native
Ranunculus glaberrimus var. glaberrimus
Native
Ranunculus gormanii
Native
Ranunculus hebecarpus
Native
Ranunculus hydrocharoides
FROG'S-BIT BUTTERCUP
Native
Ranunculus hystriculus
Native
Ranunculus lemmonii
(Under Ranunculus alismifolius var. lemmonii)
Synonym
Ranunculus lobbii
LOBB'S AQUATIC BUTTERCUP
Native
Ranunculus longirostris
(Under Ranunculus aquatilis var. diffusus)
Synonym
Ranunculus macounii
MACOUN'S BUTTERCUP
Native
Ranunculus minimus
(Under Myosurus minimus)
Synonym
Ranunculus muricatus
Naturalized
Ranunculus occidentalis
Native
Ranunculus occidentalis var. alceus
(Under Ranunculus occidentalis var. ultramontanus)
Synonym
Ranunculus occidentalis var. dissectus
Native
Ranunculus occidentalis var. eisenii
(Under Ranunculus occidentalis var. occidentalis)
Synonym
Ranunculus occidentalis var. howellii
Native
Ranunculus occidentalis var. occidentalis
Native
Ranunculus occidentalis var. rattanii
(Under Ranunculus occidentalis var. occidentalis)
Synonym
Ranunculus occidentalis var. ultramontanus
Native
Ranunculus orthorhynchus
Native
Ranunculus orthorhynchus subsp. platyphyllus
(Under Ranunculus orthorhynchus var. platyphyllus)
Synonym
Ranunculus orthorhynchus var. bloomeri
Native
Ranunculus orthorhynchus var. hallii
(Under Ranunculus orthorhynchus var. orthorhynchus)
Synonym
Ranunculus orthorhynchus var. orthorhynchus
Native
Ranunculus orthorhynchus var. platyphyllus
Native
Ranunculus parviflorus
Naturalized
Ranunculus populago
Native
Ranunculus pusillus
Native
Ranunculus repens
Naturalized
Ranunculus sardous
Naturalized
Ranunculus sceleratus
Native
Ranunculus sceleratus var. multifidus
Native
Ranunculus sceleratus var. sceleratus
Naturalized
Ranunculus subrigidus
(Under Ranunculus aquatilis var. diffusus)
Synonym
Ranunculus testiculatus
Naturalized
Ranunculus trichophyllus
(Under Ranunculus aquatilis var. diffusus)
Synonym
Ranunculus trichophyllus var. trichophyllus
(Under Ranunculus aquatilis var. diffusus)
Synonym
Ranunculus trilobus
Extirpated waif
Ranunculus uncinatus
Native
Ranunculus uncinatus var. parviflorus
(Under Ranunculus uncinatus)
Synonym
Raphanus
↳ Key to Raphanus
Raphanus raphanistrum
JOINTED CHARLOCK
Naturalized
Raphanus sativus
RADISH
Naturalized
Rapistrum
WILD TURNIP
Rapistrum rugosum
Naturalized
Ratibida
PRAIRIE CONE-FLOWER
Ratibida columnaris var. pulcherrima
(Under Ratibida columnifera)
Synonym
Ratibida columnifera
Naturalized
Reseda
↳ Key to Reseda
MIGNONETTE
Reseda alba
WHITE MIGNONETTE
Naturalized
Reseda lutea
YELLOW MIGNONETTE
Naturalized
Reseda luteola
DYER'S ROCKET
Naturalized
Reseda odorata
GARDEN MIGNONETTE
Waif
Resedaceae
↳ Key to Resedaceae
MIGNONETTE FAMILY
Retama monosperma
(Under Genista monosperma)
Synonym
Reynoutria baldschuanica
(Under Fallopia baldschuanica)
Synonym
Reynoutria convolvulus
(Under Fallopia convolvulus)
Synonym
Reynoutria japonica
(Under Fallopia japonica)
Synonym
Reynoutria sachalinensis
(Under Fallopia sachalinensis)
Synonym
Rhagadiolus
Rhagadiolus stellatus
Naturalized
Rhamnaceae
↳ Key to Rhamnaceae
BUCKTHORN FAMILY
Rhamnus
↳ Key to Rhamnus
BUCKTHORN
Rhamnus alaternus
ITALIAN BUCKHORN
Waif
Rhamnus alnifolia
ALDER BUCKTHORN
Native
Rhamnus annonifolia
(Under Frangula purshiana subsp. annonifolia)
Synonym
Rhamnus californica
(Under Frangula californica)
Synonym
Rhamnus californica subsp. californica
(Under Frangula californica subsp. californica)
Synonym
Rhamnus californica subsp. crassifolia
(Under Frangula californica subsp. crassifolia)
Synonym
Rhamnus californica subsp. cuspidata
(Under Frangula californica subsp. cuspidata)
Synonym
Rhamnus californica subsp. occidentalis
(Under Frangula californica subsp. occidentalis)
Synonym
Rhamnus californica subsp. tomentella
(Under Frangula californica subsp. tomentella)
Synonym
Rhamnus californica subsp. ursina
(Under Frangula californica subsp. ursina)
Synonym
Rhamnus californica var. crassifolia
(Under Frangula californica subsp. crassifolia)
Synonym
Rhamnus californica var. obtusissima
(Under Frangula californica subsp. californica)
Unabridged misapplied name, in part
Rhamnus californica var. obtusissima
(Under Frangula rubra)
Unabridged misapplied name, in part
Rhamnus californica var. obtusissima
(Under Frangula rubra subsp. obtusissima)
Misapplied name, in part
Rhamnus californica var. occidentalis
(Under Frangula californica subsp. occidentalis)
Synonym
Rhamnus californica var. rubra
(Under Frangula rubra)
Synonym
Rhamnus californica var. tomentella
(Under Frangula californica subsp. tomentella)
Synonym
Rhamnus californica var. ursina
(Under Frangula californica subsp. ursina)
Synonym
Rhamnus californica var. viridula
(Under Frangula californica subsp. cuspidata)
Synonym
Rhamnus catalinae
(Under Rhamnus pirifolia)
Synonym
Rhamnus crocea
SPINY REDBERRY
Native
Rhamnus crocea subsp. ilicifolia
(Under Rhamnus ilicifolia)
Synonym
Rhamnus crocea subsp. pilosa
(Under Rhamnus pilosa)
Synonym
Rhamnus crocea subsp. pirifolia
(Under Rhamnus pirifolia)
Synonym
Rhamnus crocea var. ilicifolia
(Under Rhamnus ilicifolia)
Synonym
Rhamnus crocea var. insularis
(Under Rhamnus pirifolia)
Synonym
Rhamnus crocea var. pilosa
(Under Rhamnus pilosa)
Synonym
Rhamnus crocea var. pirifolia
(Under Rhamnus pirifolia)
Synonym
Rhamnus cuspidata
(Under Frangula californica subsp. cuspidata)
Synonym
Rhamnus ilicifolia
HOLLYLEAF REDBERRY
Native
Rhamnus obtusissima
(Under Frangula rubra subsp. obtusissima)
Synonym
Rhamnus occidentalis
(Under Frangula californica subsp. occidentalis)
Synonym
Rhamnus pilosa
Native
Rhamnus pirifolia
ISLAND REDBERRY
Native
Rhamnus purshiana
(Under Frangula purshiana)
Synonym
Rhamnus purshiana subsp. purshiana
(Under Frangula purshiana subsp. purshiana)
Synonym
Rhamnus purshiana var. annonifolia
(Under Frangula purshiana subsp. annonifolia)
Synonym
Rhamnus purshiana var. purshiana
(Under Frangula purshiana subsp. purshiana)
Synonym
Rhamnus rubra
(Under Frangula rubra)
Synonym
Rhamnus rubra subsp. modocensis
(Under Frangula rubra subsp. modocensis)
Synonym
Rhamnus rubra subsp. obtusissima
(Under Frangula rubra subsp. obtusissima)
Synonym
Rhamnus rubra subsp. rubra
(Under Frangula rubra subsp. rubra)
Synonym
Rhamnus rubra subsp. yosemitana
(Under Frangula rubra subsp. yosemitana)
Synonym
Rhamnus rubra var. modocensis
(Under Frangula rubra subsp. modocensis)
Synonym
Rhamnus rubra var. obtusissima
(Under Frangula rubra subsp. obtusissima)
Synonym
Rhamnus rubra var. yosemitana
(Under Frangula rubra subsp. yosemitana)
Synonym
Rhamnus tomentella
(Under Frangula californica subsp. tomentella)
Synonym
Rhamnus tomentella subsp. crassifolia
(Under Frangula californica subsp. crassifolia)
Synonym
Rhamnus tomentella subsp. cuspidata
(Under Frangula californica subsp. cuspidata)
Synonym
Rhamnus tomentella subsp. tomentella
(Under Frangula californica subsp. tomentella)
Synonym
Rhamnus tomentella subsp. ursina
(Under Frangula californica subsp. ursina)
Synonym
Rhamnus tomentella var. ursina
(Under Frangula californica subsp. ursina)
Synonym ined.
Rhamnus ursina
(Under Frangula californica subsp. ursina)
Synonym
Rhaponticum
Rhaponticum repens
RUSSIAN KNAPWEED
Naturalized
Rhinotropis
↳ Key to Rhinotropis
MILKWORT
Rhinotropis acanthoclada
THORNY MILKWORT
Native
Rhinotropis californica
CALIFORNIA MILKWORT
Native
Rhinotropis cornuta
Native
Rhinotropis cornuta var. cornuta
SIERRA MILKWORT
Native
Rhinotropis cornuta var. fishiae
FISH'S MILKWORT
Native
Rhinotropis heterorhyncha
NOTCH-BEAKED MILKWORT
Native
Rhinotropis intermontana
INTERMOUNTAIN MILKWORT
Native
Rhinotropis subspinosa
SPINY MILKWORT
Native
Rhodiola
Rhodiola integrifolia subsp. integrifolia
WESTERN ROSEROOT
Native
Rhododendron
↳ Key to Rhododendron
Rhododendron columbianum
WESTERN LABRADOR TEA
Native
Rhododendron macrophyllum
CALIFORNIA RHODODENDRON
Native
Rhododendron occidentale
CALIFORNIA AZALEA
Native
Rhus
↳ Key to Rhus
Rhus aromatica
SKUNK BUSH
Native
Rhus aromatica subsp. trilobata
(Under Rhus aromatica)
Synonym
Rhus aromatica var. simplicifolia
(Under Rhus aromatica)
Synonym
Rhus aromatica var. trilobata
(Under Rhus aromatica)
Synonym
Rhus diversiloba
(Under Toxicodendron diversilobum)
Synonym
Rhus integrifolia
LEMONADE BERRY
Native
Rhus lancea
(Under Searsia lancea)
Synonym
Rhus laurina
(Under Malosma laurina)
Synonym
Rhus ovata
SUGAR BUSH, SUGAR SUMAC
Native
Rhus trilobata
(Under Rhus aromatica)
Synonym
Rhus trilobata var. anisophylla
(Under Rhus aromatica)
Synonym
Rhus trilobata var. malacophylla
(Under Rhus aromatica)
Synonym
Rhus trilobata var. quinata
(Under Rhus aromatica)
Synonym
Rhus trilobata var. simplicifolia
(Under Rhus aromatica)
Synonym
Rhus trilobata var. trilobata
(Under Rhus aromatica)
Synonym
Rhynchelytrum repens
(Under Melinis repens subsp. repens)
Synonym
Rhynchelytrum roseum
(Under Melinis repens subsp. repens)
Synonym
Rhynchospora
↳ Key to Rhynchospora
BEAKED-RUSH
Rhynchospora alba
WHITE BEAKED-RUSH
Native
Rhynchospora californica
CALIFORNIA BEAKED-RUSH
Native
Rhynchospora capitellata
BROWNISH BEAKED-RUSH
Native
Rhynchospora globularis
Native
Rhynchospora globularis var. recognita
(Under Rhynchospora globularis)
Synonym
Rhynchospora glomerata var. capitellata
(Under Rhynchospora capitellata)
Synonym
Rhynchospora glomerata var. minor
(Under Rhynchospora capitellata)
Synonym
Rhynchospora recognita
(Under Rhynchospora globularis)
Synonym
Rhytidea bicolor
(Under Dichelostemma ida-maia)
Synonym
Ribes
↳ Key to Ribes
CURRANT, GOOSEBERRY
Ribes amarum
BITTER GOOSEBERRY
Native
Ribes amarum var. hoffmannii
(Under Ribes amarum)
Synonym
Ribes aureum
GOLDEN CURRANT
Native
Ribes aureum var. aureum
Native
Ribes aureum var. gracillimum
Native
Ribes binominatum
TRAILING GOOSEBERRY
Native
Ribes bracteosum
STINK CURRANT
Native
Ribes californicum
HILLSIDE GOOSEBERRY
Native
Ribes californicum var. californicum
Native
Ribes californicum var. hesperium
Native
Ribes canthariforme
MORENO CURRANT
Native
Ribes cereum
WAX CURRANT
Native
Ribes cereum var. cereum
Native
Ribes cereum var. inebrians
Native
Ribes cruentum
(Under Ribes roezlii var. cruentum)
Synonym
Ribes divaricatum
Native
Ribes divaricatum var. inerme
(Under Ribes inerme var. inerme)
Synonym
Ribes divaricatum var. klamathense
(Under Ribes inerme var. klamathense)
Synonym
Ribes divaricatum var. parishii
PARISH'S GOOSEBERRY
Native
Ribes divaricatum var. pubiflorum
STRAGGLE BUSH
Native
Ribes glanduliferum
(Under Ribes velutinum)
Synonym
Ribes glutinosum
(Under Ribes sanguineum var. glutinosum)
Synonym
Ribes hallii
(Under Ribes viscosissimum)
Synonym
Ribes hudsonianum var. petiolare
WESTERN BLACK CURRANT
Native
Ribes indecorum
WHITE-FLOWERING CURRANT
Native
Ribes inebrians
(Under Ribes cereum var. inebrians)
Synonym
Ribes inerme
WHITE-STEMMED GOOSEBERRY
Native
Ribes inerme var. inerme
Native
Ribes inerme var. klamathense
Native
Ribes lacustre
SWAMP CURRANT
Native
Ribes lasianthum
WOOLLY-FLOWERED GOOSEBERRY
Native
Ribes laxiflorum
TRAILING BLACK CURRANT
Native
Ribes leptanthum var. lasianthum
(Under Ribes lasianthum)
Synonym
Ribes leptanthum var. quercetorum
(Under Ribes quercetorum)
Synonym
Ribes lobbii
GUMMY GOOSEBERRY
Native
Ribes malvaceum
CHAPARRAL CURRANT
Native
Ribes malvaceum var. clementinum
(Under Ribes malvaceum var. malvaceum)
Synonym
Ribes malvaceum var. malvaceum
Native
Ribes malvaceum var. viridifolium
Native
Ribes marshallii
MARSHALL'S GOOSEBERRY
Native
Ribes menziesii
CANYON GOOSEBERRY
Native
Ribes menziesii var. faustum
(Under Ribes menziesii var. menziesii)
Synonym
Ribes menziesii var. hystriculum
(Under Ribes menziesii var. menziesii)
Synonym
Ribes menziesii var. hystrix
(Under Ribes menziesii var. menziesii)
Synonym
Ribes menziesii var. ixoderme
AROMATIC CANYON GOOSEBERRY
Native
Ribes menziesii var. leptosmum
(Under Ribes menziesii var. menziesii)
Synonym
Ribes menziesii var. menziesii
Native
Ribes menziesii var. minus
(Under Ribes victoris)
Synonym
Ribes menziesii var. retineatum
(Under Ribes menziesii var. menziesii)
Synonym
Ribes menziesii var. senile
(Under Ribes menziesii var. menziesii)
Synonym
Ribes menziesii var. thacherianum
(Under Ribes thacherianum)
Synonym
Ribes montigenum
WESTERN PRICKLY GOOSEBERRY
Native
Ribes nevadense
MOUNTAIN PINK CURRANT
Native
Ribes nevadense var. glaucescens
(Under Ribes nevadense)
Synonym
Ribes nevadense var. jaegeri
(Under Ribes nevadense)
Synonym
Ribes petiolare
(Under Ribes hudsonianum var. petiolare)
Synonym
Ribes quercetorum
OAKWOODS GOOSEBERRY
Native
Ribes roezlii
SIERRAN GOOSEBERRY
Native
Ribes roezlii var. amictum
HOARY GOOSEBERRY
Native
Ribes roezlii var. cruentum
Native
Ribes roezlii var. roezlii
Native
Ribes sanguineum
RED-FLOWERING CURRANT
Native
Ribes sanguineum var. deductum
(Under Ribes sanguineum var. glutinosum)
Synonym
Ribes sanguineum var. glutinosum
Native
Ribes sanguineum var. melanocarpum
(Under Ribes sanguineum var. glutinosum)
Synonym
Ribes sanguineum var. sanguineum
Native
Ribes sericeum
SANTA LUCIA GOOSEBERRY
Native
Ribes speciosum
FUCHSIA-FLOWERED GOOSEBERRY
Native
Ribes thacherianum
SANTA CRUZ ISLAND GOOSEBERRY
Native
Ribes tularense
SEQUOIA GOOSEBERRY
Native
Ribes velutinum
Native
Ribes velutinum var. glanduliferum
(Under Ribes velutinum)
Synonym
Ribes velutinum var. gooddingii
(Under Ribes velutinum)
Synonym
Ribes viburnifolium
SANTA CATALINA ISLAND CURRANT
Native
Ribes victoris
VICTOR'S GOOSEBERRY
Native
Ribes victoris var. minus
(Under Ribes victoris)
Synonym
Ribes viscosissimum
STICKY CURRANT
Native
Ribes viscosissimum var. hallii
(Under Ribes viscosissimum)
Synonym
Ricinus
CASTOR BEAN
Ricinus communis
Naturalized
Rigiopappus
Rigiopappus leptocladus
Native
Robinia
↳ Key to Robinia
LOCUST
Robinia neomexicana
NEW MEXICO LOCUST
Native
Robinia pseudoacacia
BLACK LOCUST
Naturalized
Romanzoffia
↳ Key to Romanzoffia
Romanzoffia californica
CALIFORNIA MISTMAIDEN
Native
Romanzoffia glauca
(Under Romanzoffia sitchensis)
Synonym
Romanzoffia leibergii
(Under Romanzoffia sitchensis)
Synonym
Romanzoffia macounii
(Under Romanzoffia sitchensis)
Synonym
Romanzoffia mendocina
(Under Romanzoffia californica)
Synonym
Romanzoffia minima
(Under Romanzoffia sitchensis)
Synonym
Romanzoffia rubella
(Under Romanzoffia sitchensis)
Synonym
Romanzoffia sitchensis
SITKA MISTMAID
Native
Romanzoffia spergulina
(Under Romanzoffia californica)
Synonym
Romanzoffia suksdorfii
(Under Romanzoffia sitchensis)
Synonym
Romanzoffia tracyi
TRACY'S MISTMAIDEN
Native
Romneya
↳ Key to Romneya
MATILIJA POPPY
Romneya coulteri
COULTER'S MATILIJA POPPY
Native
Romneya trichocalyx
HAIRY MATILIJA POPPY
Native
Romulea
Romulea longifolia
(Under Romulea rosea var. australis)
Synonym
Romulea rosea var. australis
Naturalized
Rorippa
↳ Key to Rorippa
YELLOW CRESS
Rorippa austriaca
AUSTRIAN FIELD-CRESS
Naturalized
Rorippa calycina var. columbiae
(Under Rorippa columbiae)
Synonym
Rorippa columbiae
COLUMBIA YELLOW CRESS
Native
Rorippa curvipes
Native
Rorippa curvipes var. curvipes
(Under Rorippa curvipes)
Synonym
Rorippa curvipes var. truncata
(Under Rorippa curvipes)
Synonym
Rorippa curvisiliqua
Native
Rorippa curvisiliqua var. curvisiliqua
(Under Rorippa curvisiliqua)
Synonym
Rorippa curvisiliqua var. occidentalis
(Under Rorippa curvisiliqua)
Synonym
Rorippa curvisiliqua var. orientalis
(Under Rorippa curvisiliqua)
Synonym
Rorippa curvisiliqua var. procumbens
(Under Rorippa curvisiliqua)
Synonym
Rorippa gambelii
(Under Nasturtium gambelii)
Synonym
Rorippa nasturtium-aquaticum
(Under Nasturtium officinale)
Synonym
Rorippa palustris
Native
Rorippa palustris subsp. fernaldiana
(Under Rorippa palustris subsp. palustris)
Synonym
Rorippa palustris subsp. hispida
Native
Rorippa palustris subsp. occidentalis
(Under Rorippa palustris subsp. palustris)
Synonym
Rorippa palustris subsp. palustris
Native
Rorippa palustris var. fernaldiana
(Under Rorippa palustris subsp. palustris)
Synonym
Rorippa palustris var. hispida
(Under Rorippa palustris subsp. hispida)
Synonym
Rorippa palustris var. occidentalis
(Under Rorippa palustris subsp. palustris)
Synonym
Rorippa sinuata
Native
Rorippa sphaerocarpa
Native
Rorippa subumbellata
TAHOE YELLOW CRESS
Native
Rorippa tenerrima
Native
Rosa
↳ Key to Rosa
Rosa bridgesii
SIERRAN DWARF ROSE
Native
Rosa californica
CALIFORNIA ROSE
Native
Rosa canina
DOG ROSE
Naturalized
Rosa crenulata
(Under Rosa bridgesii)
Synonym
Rosa eglanteria
(Under Rosa rubiginosa)
Synonym
Rosa gymnocarpa
WOOD ROSE
Native
Rosa gymnocarpa var. gymnocarpa
Native
Rosa gymnocarpa var. pubescens
(Under Rosa bridgesii)
Synonym
Rosa gymnocarpa var. serpentina
GASQUET ROSE
Native
Rosa minutifolia
SMALL-LEAVED ROSE
Native
Rosa mohavensis
(Under Rosa woodsii var. glabrata)
Synonym
Rosa multiflora
MULTIFLORA ROSA
Naturalized
Rosa nutkana
Native
Rosa nutkana subsp. macdougalii
Native
Rosa nutkana subsp. nutkana
NOOTKA ROSE
Native
Rosa nutkana var. muriculata
(Under Rosa nutkana subsp. nutkana)
Synonym
Rosa nutkana var. nutkana
(Under Rosa nutkana subsp. nutkana)
Synonym
Rosa nutkana var. setosa
(Under Rosa nutkana subsp. nutkana)
Synonym
Rosa pinetorum
PINE ROSE
Native
Rosa pisocarpa
CLUSTER ROSE
Native
Rosa pisocarpa subsp. ahartii
AHART ROSE
Native
Rosa pisocarpa subsp. pisocarpa
CLUSTER or PEA ROSE
Native
Rosa rubiginosa
SWEET-BRIER
Naturalized
Rosa spithamea
COAST GROUND ROSE
Native
Rosa spithamea var. sonomensis
(Under Rosa spithamea)
Synonym
Rosa woodsii
Native
Rosa woodsii subsp. gratissima
MOJAVE ROSE
Native
Rosa woodsii subsp. ultramontana
INTERIOR ROSE
Native
Rosa woodsii var. glabrata
Native
Rosa woodsii var. gratissima
Native
Rosa woodsii var. ultramontana
(Under Rosa woodsii subsp. ultramontana)
Synonym
Rosa yainacensis
(Under Rosa bridgesii)
Synonym
Rosaceae
↳ Key to Rosaceae
ROSE FAMILY
Rostraria cristata
(Under Koeleria gerardi)
Synonym
Rotala
↳ Key to Rotala
Rotala catholica
(Under Rotala ramosior)
Synonym
Rotala dentifera
(Under Rotala ramosior)
Synonym
Rotala indica
Naturalized
Rotala ramosior
Native
Rottboellia cylindrica
(Under Hainardia cylindrica)
Synonym
Rubacer parviflorum
(Under Rubus parviflorus)
Synonym
Rubiaceae
↳ Key to Rubiaceae
MADDER FAMILY
Rubus
↳ Key to Rubus
Rubus almus
(Under Rubus pensilvanicus)
Synonym
Rubus armeniacus
HIMALAYAN BLACKBERRY
Naturalized
Rubus bernardinus
(Under Rubus leucodermis)
Synonym
Rubus discolor
(Under Rubus armeniacus)
Misapplied name
Rubus eastwoodianus
(Under Rubus ursinus)
Synonym
Rubus franciscanus
(Under Rubus spectabilis)
Synonym
Rubus ganderi
(Under Rubus glaucifolius)
Synonym
Rubus glaucifolius
WAXLEAF RASPBERRY
Native
Rubus glaucifolius var. ganderi
(Under Rubus glaucifolius)
Synonym
Rubus inermis
(Under Rubus ulmifolius var. anoplothyrsus)
Synonym
Rubus inermis
(Under Rubus ulmifolius var. anoplothyrsus)
Illegitimate name
Rubus laciniatus
CUTLEAF BLACKBERRY
Naturalized
Rubus lasiococcus
ROUGHFRUIT RASPBERRY
Native
Rubus lemurum
(Under Rubus ursinus)
Synonym
Rubus leucodermis
WHITEBARK RASPBERRY
Native
Rubus leucodermis var. bernardinus
(Under Rubus leucodermis)
Synonym
Rubus leucodermis var. glaucifolius
(Under Rubus glaucifolius)
Synonym
Rubus leucodermis var. leucodermis
(Under Rubus leucodermis)
Synonym
Rubus leucodermis var. trinitatis
(Under Rubus leucodermis)
Synonym
Rubus macropetalus
(Under Rubus ursinus)
Synonym
Rubus nivalis
SNOW DWARF BRAMBLE
Native
Rubus nutkanus
(Under Rubus parviflorus)
Synonym
Rubus nutkanus var. bifarius
(Under Rubus parviflorus)
Synonym
Rubus nutkanus var. nuttallii
(Under Rubus parviflorus)
Synonym
Rubus nutkanus var. parviflorus
(Under Rubus parviflorus)
Synonym
Rubus nutkanus var. scopulorum
(Under Rubus parviflorus)
Synonym
Rubus parviflorus
THIMBLEBERRY
Native
Rubus parviflorus var. bifarius
(Under Rubus parviflorus)
Synonym
Rubus parviflorus var. hypomalacus
(Under Rubus parviflorus)
Synonym
Rubus parviflorus var. velutinus
(Under Rubus parviflorus)
Synonym
Rubus pensilvanicus
Naturalized
Rubus sirbenus
(Under Rubus ursinus)
Synonym
Rubus spectabilis
SALMONBERRY
Native
Rubus spectabilis var. franciscanus
(Under Rubus spectabilis)
Synonym
Rubus spectabilis var. menziesii
(Under Rubus spectabilis)
Synonym
Rubus stenopetalus
(Under Rubus spectabilis)
Synonym
Rubus titanus
(Under Rubus ursinus)
Synonym
Rubus trinitatis
(Under Rubus leucodermis)
Synonym
Rubus ulmifolius
ELMLEAF BLACKBERRY
Naturalized
Rubus ulmifolius var. anoplothyrsus
Naturalized
Rubus ulmifolius var. inermis
(Under Rubus ulmifolius var. anoplothyrsus)
Synonym
Rubus ulmifolius var. ulmifolius
Naturalized
Rubus ursinus
CALIFORNIA BLACKBERRY
Native
Rubus ursinus subsp. macropetalus
(Under Rubus ursinus)
Synonym
Rubus ursinus var. eastwoodianus
(Under Rubus ursinus)
Synonym
Rubus ursinus var. macropetalus
(Under Rubus ursinus)
Synonym
Rubus ursinus var. medusae
(Under Rubus ursinus)
Synonym
Rubus ursinus var. pentaphyllus
(Under Rubus ursinus)
Synonym
Rubus ursinus var. sirbenus
(Under Rubus ursinus)
Synonym
Rubus ursinus var. vitifolius
(Under Rubus ursinus)
Synonym
Rubus velutinus
(Under Rubus parviflorus)
Synonym
Rubus vitifolius
(Under Rubus ursinus)
Synonym
Rubus vitifolius subsp. ursinus
(Under Rubus ursinus)
Synonym
Rubus vitifolius var. eastwoodianus
(Under Rubus ursinus)
Synonym
Rubus vitifolius var. titanus
(Under Rubus ursinus)
Synonym
Rudbeckia
↳ Key to Rudbeckia
CONE-FLOWER
Rudbeckia californica
CALIFORNIA CONE-FLOWER
Native
Rudbeckia californica var. glauca
(Under Rudbeckia glaucescens)
Synonym
Rudbeckia californica var. intermedia
(Under Rudbeckia klamathensis)
Synonym
Rudbeckia glaucescens
WAXY CONE-FLOWER
Native
Rudbeckia hirta var. pulcherrima
BLACK-EYED SUSAN
Naturalized
Rudbeckia klamathensis
KLAMATH CONE-FLOWER
Native
Rudbeckia occidentalis
WESTERN CONE-FLOWER
Native
Rumex
↳ Key to Rumex
DOCK
Rumex acetosella
SHEEP SORREL
Naturalized
Rumex angiocarpus
(Under Rumex acetosella)
Synonym
Rumex britannica
Native
Rumex californicus
Native
Rumex conglomeratus
Naturalized
Rumex crassus
Native
Rumex crispus
CURLY DOCK
Naturalized
Rumex dentatus
Naturalized
Rumex dentatus subsp. klotzschianus
(Under Rumex dentatus)
Synonym
Rumex fenestratus
(Under Rumex occidentalis)
Synonym
Rumex fueginus
GOLDEN DOCK
Native
Rumex hymenosepalus
CANAIGRE, WILD-RHUBARB
Native
Rumex kerneri
Naturalized
Rumex lacustris
Native
Rumex maritimus
(Under Rumex fueginus)
Misapplied name
Rumex obtusifolius
BITTER DOCK
Naturalized
Rumex obtusifolius subsp. agrestis
(Under Rumex obtusifolius)
Synonym
Rumex occidentalis
WESTERN DOCK
Native
Rumex orbiculatus
(Under Rumex britannica)
Synonym
Rumex orbiculatus var. orbiculatus
(Under Rumex britannica)
Synonym
Rumex palustris
Historical waif
Rumex paucifolius
Native
Rumex paucifolius var. gracilescens
(Under Rumex paucifolius)
Synonym
Rumex persicarioides
Native
Rumex pulcher
FIDDLE DOCK
Naturalized
Rumex salicifolius
WILLOW DOCK
Native
Rumex salicifolius var. crassus
(Under Rumex crassus)
Synonym
Rumex salicifolius var. denticulatus
(Under Rumex californicus)
Synonym
Rumex salicifolius var. lacustris
(Under Rumex lacustris)
Synonym
Rumex salicifolius var. salicifolius
(Under Rumex salicifolius)
Synonym
Rumex salicifolius var. transitorius
(Under Rumex transitorius)
Synonym
Rumex salicifolius var. triangulivalvis
(Under Rumex triangulivalvis)
Synonym
Rumex stenophyllus
Naturalized
Rumex transitorius
Native
Rumex triangulivalvis
Native
Rumex utahensis
Native
Rumex venosus
WINGED DOCK
Native
Rumex violascens
Native
Rupalleya volubilis
(Under Dichelostemma volubile)
Synonym
Rupertia
↳ Key to Rupertia
RUPERT'S SCURF-PEA
Rupertia hallii
HALL'S RUPERTIA
Native
Rupertia physodes
Native
Rupertia rigida
PARISH'S RUPERTIA
Native
Ruppia
↳ Key to Ruppia
DITCH-GRASS
Ruppia cirrhosa
Native
Ruppia maritima
Native
Ruppia occidentalis
(Under Ruppia cirrhosa)
Synonym
Ruppia spiralis
(Under Ruppia cirrhosa)
Synonym
Ruppia spiralis
(Under Ruppia cirrhosa)
Synonym ined.
Ruppiaceae
DITCH-GRASS FAMILY
Ruscaceae
↳ Key to Ruscaceae
BUTCHER'S-BROOM FAMILY
Ruta
RUE
Ruta chalepensis
Naturalized
Rutaceae
↳ Key to Rutaceae
RUE FAMILY
Rytidosperma
↳ Key to Rytidosperma
Rytidosperma caespitosa
(Under Rytidosperma caespitosum)
Orthographic variant
Rytidosperma caespitosum
Naturalized
Rytidosperma penicillatum
HAIRY OAT GRASS, POVERTY GRASS
Naturalized
Rytidosperma racemosum
Naturalized
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