This page provides a complete list of taxa that have images. Use the controls below to browse and search for images by family, genus, or species.

Raciborskiella janeirensis

Raciborskiella prasina

Racodium rupestre

Racomitrium lanuginosum

Racomitrium muticum

Racopilum tomentosum

Radula auriculata

Radula australis

Radula bolanderi

Radula complanata

Radula mollis

Radula obconica

Radula obtusiloba

Radula prolifera

Radula sullivantii

Radula tenax

Rafinesquia californica

Rafinesquia neomexicana

Rainiera stricta

Ramalea cochleata

Ramalina africana

Ramalina ahtii

Ramalina alludens

Ramalina almquistii

Ramalina americana

Ramalina anceps

Ramalina angulosa

Ramalina angustissima

Ramalina arabum

Ramalina asahinae

Ramalina aspera

Ramalina asperula

Ramalina atlantica

Ramalina australiensis

Ramalina bajacalifornica

Ramalina baltica

Ramalina boninensis

Ramalina breviuscula

Ramalina caespitosa

Ramalina calicaris

Ramalina camptospora

Ramalina canalicularis

Ramalina canariensis

Ramalina capitata

Ramalina caracasana

Ramalina carpatica

Ramalina celastri

Ramalina chilensis

Ramalina chondrina

Ramalina cochlearis

Ramalina combeoides

Ramalina complanata

Ramalina conduplicans

Ramalina confirmata

Ramalina continentalis

Ramalina crassa

Ramalina crinalis

Ramalina crispatula

Ramalina cumanensis

Ramalina curnowii

Ramalina cuspidata

Ramalina debilis

Ramalina decipiens

Ramalina dendriscoides

Ramalina dendroides

Ramalina denticulata

Ramalina dictyota

Ramalina dilacerata

Ramalina disparata

Ramalina druidarum

Ramalina elegans

Ramalina exiguella

Ramalina farinacea

Ramalina fastigiata

Ramalina fecunda

Ramalina fenestrata

Ramalina filicaulis

Ramalina fimbriata

Ramalina fraxinea

Ramalina furcellata

Ramalina geniculata

Ramalina gracilenta

Ramalina gracilis

Ramalina hamulosa

Ramalina hierrensis

Ramalina himalayensis

Ramalina hoehneliana

Ramalina hossei

Ramalina huei

Ramalina implectens

Ramalina inaequalis

Ramalina inflata

Ramalina intermedia

Ramalina javanica

Ramalina kurokawae

Ramalina lacera

Ramalina lacerata

Ramalina leiodea

Ramalina leptocarpa

Ramalina leptocarpha

Ramalina linearis

Ramalina litoralis

Ramalina litorea

Ramalina lusitanica

Ramalina maciformis

Ramalina mannii

Ramalina mediterranea

Ramalina menziesii

Ramalina minor

Ramalina mollis

Ramalina montagnei

Ramalina myrioclada

Ramalina nervosa

Ramalina nervulosa

Ramalina nodosa

Ramalina obtusata

Ramalina pacifica

Ramalina parva

Ramalina peranceps

Ramalina perpusilla

Ramalina peruviana

Ramalina petrina

Ramalina pitardii

Ramalina pollinaria

Ramalina polyforma

Ramalina polymorpha

Ramalina populina

Ramalina portuensis

Ramalina praetermissa

Ramalina prolifera

Ramalina protecta

Ramalina puberulenta

Ramalina puiggarii

Ramalina pumila

Ramalina pusilla

Ramalina pusiola

Ramalina quercicola

Ramalina reducta

Ramalina requienii

Ramalina rigida

Ramalina roesleri

Ramalina rosacea

Ramalina scoparia

Ramalina scopulorum

Ramalina sharpii

Ramalina shinanoana

Ramalina sideriza

Ramalina siliquosa

Ramalina similis

Ramalina sinensis

Ramalina sorediosa

Ramalina sprengelii

Ramalina stenoclada

Ramalina stenospora

Ramalina striatula

Ramalina subbreviuscula

Ramalina subcalicaris

Ramalina subcomplanata

Ramalina subdecipiens

Ramalina subfarinacea

Ramalina subfraxinea

Ramalina subgeniculata

Ramalina subleptocarpha

Ramalina sublitoralis

Ramalina subpellucida

Ramalina subpusilla

Ramalina tayloriana

Ramalina tenella

Ramalina tenuis

Ramalina terebrata

Ramalina thraustoides

Ramalina tigrina

Ramalina tinctoria

Ramalina tortuosa

Ramalina tropica

Ramalina tumidula

Ramalina umbilicata

Ramalina unifolia

Ramalina unilateralis

Ramalina usnea

Ramalina webbii

Ramalina whinrayii

Ramalina wigginsii

Ramalina willeyi

Ramalina yasudae

Ramalinopsis mannii

Ramalinora glaucolivida

Ramboldia cinnabarina

Ramboldia elabens

Ramboldia gowardiana

Ramboldia plicatula

Ramboldia russula

Ramboldia stuartii

Ramboldia subnexa

Ramonia luteola

Ramonia rappii

Ranunculus abortivus

Ranunculus abortivus ssp. acrolasius

Ranunculus acriformis

Ranunculus acris

Ranunculus adoneus

Ranunculus alismifolius

Ranunculus alismifolius var. montanus

Ranunculus andersonii

Ranunculus aquatilis var. aquatilis

Ranunculus aquatilis var. diffusus

Ranunculus arizonicus

Ranunculus arvensis

Ranunculus bulbosus

Ranunculus californicus

Ranunculus cardiophyllus

Ranunculus carolinianus

Ranunculus cooleyae

Ranunculus cymbalaria

Ranunculus eschscholtzii

Ranunculus eschscholtzii var. eschscholtzii

Ranunculus eschscholtzii var. suksdorfii

Ranunculus fascicularis

Ranunculus ficaria

Ranunculus flabellaris

Ranunculus flammula

Ranunculus flammula var. ovalis

Ranunculus flammula var. reptans

Ranunculus gelidus

Ranunculus gelidus ssp. grayi

Ranunculus glaberrimus

Ranunculus glaberrimus var. ellipticus

Ranunculus glacialis var. glacialis

Ranunculus gmelinii

Ranunculus gmelinii var. hookeri

Ranunculus gormanii

Ranunculus grayi

Ranunculus hebecarpus

Ranunculus hispidus

Ranunculus hispidus var. nitidus

Ranunculus hydrocharoides

Ranunculus hyperboreus

Ranunculus hyperboreus ssp. intertextus

Ranunculus inamoenus

Ranunculus inamoenus var. inamoenus

Ranunculus jovis

Ranunculus kamchaticus

Ranunculus lapponicus

Ranunculus laxicaulis

Ranunculus longirostris

Ranunculus macauleyi

Ranunculus macounii

Ranunculus macranthus

Ranunculus micranthus

Ranunculus muricatus

Ranunculus nivalis

Ranunculus occidentalis

Ranunculus orthorhynchus

Ranunculus parviflorus

Ranunculus pedatifidus

Ranunculus pedatifidus var. affinis

Ranunculus pensylvanicus

Ranunculus petiolaris

Ranunculus platensis

Ranunculus populago

Ranunculus pusillus

Ranunculus pygmaeus

Ranunculus ranunculinus

Ranunculus recurvatus

Ranunculus repens

Ranunculus reptans

Ranunculus reptans var. ovalis

Ranunculus sabinei

Ranunculus sardous

Ranunculus sceleratus

Ranunculus septentrionalis

Ranunculus sulphureus

Ranunculus testiculatus

Ranunculus trichophyllus

Ranunculus uncinatus

Ranunculus uncinatus var. earlei

Ranunculus uncinatus var. parviflorus

Raphanus raphanistrum

Raphanus sativus

Rapistrum perenne

Rapistrum rugosum

Ratibida columnifera

Ratibida peduncularis

Ratibida pinnata

Ratibida tagetes

Rauiella scita

Rauvolfia tetraphylla

Rayjacksonia annua

Rayjacksonia phyllocephala

Reboulia hemisphaerica

Rectolejeunea brittoniae

Rectolejeunea maxonii

Redfieldia flexuosa

Reichardia picroides

Reichardia tingitana

Reichlingia americana

Reimnitzia santensis

Reinkella lirellina

Relicina abstrusa

Relicina circumnodata

Relicina connivens

Relicina demethylbarbatica

Relicina eximbricata

Relicina fluorescens

Relicina limbata

Relicina planiuscula

Relicina ramosissima

Relicina samoënsis

Relicina schizospatha

Relicina subabstrusa

Relicina sublanea

Relicina subnigra

Relicina sydneyensis

Relicinopsis malaccensis

Relicinopsis rahengensis

Reseda lutea

Reseda luteola

Reseda odorata

Reverchonia arenaria

Reynoutria japonica

Rhabdodiscus granulosus

Rhabdoweisia crispata

Rhachithecium perpusillum

Rhagadiolus stellatus

Rhamnus alnifolia

Rhamnus betulifolia

Rhamnus californica

Rhamnus caroliniana

Rhamnus cathartica

Rhamnus citrifolia

Rhamnus crocea

Rhamnus davurica ssp. davurica

Rhamnus frangula

Rhamnus ilicifolia

Rhamnus lanceolata

Rhamnus purshiana

Rhamnus rubra

Rhamnus serrata

Rhamnus smithii

Rheum rhaponticum

Rhexia alifanus

Rhexia aristosa

Rhexia cubensis

Rhexia lutea

Rhexia mariana

Rhexia nashii

Rhexia petiolata

Rhexia virginica

Rhexophyllum subnigrum

Rhinanthus borealis

Rhinanthus crista-galli

Rhinanthus groenlandicus

Rhinanthus kyrollae

Rhinanthus minor

Rhinanthus minor ssp. borealis

Rhinanthus minor ssp. groenlandicus

Rhinanthus minor ssp. minor

Rhinotropis rimulicola

Rhinotropis rusbyi

Rhinotropis subspinosa

Rhipsalis baccifera

Rhizocarpon alpicola

Rhizocarpon amphibium

Rhizocarpon amphiboliticum

Rhizocarpon anaperum

Rhizocarpon arctogenum

Rhizocarpon atroflavescens

Rhizocarpon badioatrum

Rhizocarpon bolanderi

Rhizocarpon calcareum

Rhizocarpon carpathicum

Rhizocarpon chioneum

Rhizocarpon cinereonigrum

Rhizocarpon cinereovirens

Rhizocarpon concentricum

Rhizocarpon confervoides

Rhizocarpon coniopsideum

Rhizocarpon cookeanum

Rhizocarpon copelandii

Rhizocarpon dinothetes

Rhizocarpon disporum

Rhizocarpon distinctum

Rhizocarpon diversisporum

Rhizocarpon effiguratum

Rhizocarpon eupetraeoides

Rhizocarpon eupetraeum

Rhizocarpon excentricum

Rhizocarpon expallescens

Rhizocarpon ferax

Rhizocarpon flavum

Rhizocarpon geminatum

Rhizocarpon geographicum

Rhizocarpon geographicum var. contigua

Rhizocarpon grande

Rhizocarpon hochstetteri

Rhizocarpon ignobile

Rhizocarpon inarense

Rhizocarpon infernulum

Rhizocarpon intermediellum

Rhizocarpon intersitum

Rhizocarpon jemtlandicum

Rhizocarpon lavatum

Rhizocarpon lecanorinum

Rhizocarpon macrosporum

Rhizocarpon megapotamicum

Rhizocarpon norvegicum

Rhizocarpon obscuratum

Rhizocarpon oederi

Rhizocarpon oportense

Rhizocarpon papillatum

Rhizocarpon parapetraeum

Rhizocarpon perlutum

Rhizocarpon petraeum

Rhizocarpon polycarpum

Rhizocarpon pseudospeireum

Rhizocarpon pulverulentum

Rhizocarpon pusillum

Rhizocarpon reductum

Rhizocarpon renneri

Rhizocarpon richardii

Rhizocarpon ridescens

Rhizocarpon riparium

Rhizocarpon rittokense

Rhizocarpon roridulum

Rhizocarpon rubescens

Rhizocarpon santessonii

Rhizocarpon sorediosum

Rhizocarpon splendidum

Rhizocarpon subconglomeratum

Rhizocarpon subgeminatum

Rhizocarpon superficiale

Rhizocarpon superficiale subsp. boreale

Rhizocarpon tavaresii

Rhizocarpon tetramerum

Rhizocarpon umbilicatum

Rhizocarpon vermlandicum

Rhizocarpon viridiatrum

Rhizolecia hybrida

Rhizomnium andrewsianum

Rhizomnium appalachianum

Rhizomnium glabrescens

Rhizomnium gracile

Rhizomnium magnifolium

Rhizomnium nudum

Rhizomnium pseudopunctatum

Rhizomnium punctatum

Rhizophora mangle

Rhizoplaca aspidophora

Rhizoplaca chrysoleuca

Rhizoplaca glaucophana

Rhizoplaca haydenii

Rhizoplaca idahoensis

Rhizoplaca marginalis

Rhizoplaca melanophthalma

Rhizoplaca nigrobaranowii

Rhizoplaca novomexicana

Rhizoplaca opiniconensis

Rhizoplaca peltata

Rhizoplaca subdiscrepans

Rhizoplaca tubulosa

Rhodiola integrifolia

Rhodiola integrifolia ssp. integrifolia

Rhodiola rhodantha

Rhodiola rosea

Rhodobryum ontariense

Rhodobryum roseum

Rhododendron alabamense

Rhododendron albiflorum

Rhododendron arborescens

Rhododendron atlanticum

Rhododendron calendulaceum

Rhododendron canadense

Rhododendron canescens

Rhododendron carolinianum

Rhododendron catawbiense

Rhododendron columbianum

Rhododendron dauricum

Rhododendron ferrugineum

Rhododendron groenlandicum

Rhododendron japonicum

Rhododendron kaempferi

Rhododendron lapponicum

Rhododendron luteum

Rhododendron macrophyllum

Rhododendron maximum

Rhododendron minus

Rhododendron minus var. minus

Rhododendron occidentale

Rhododendron periclymenoides

Rhododendron punctatum

Rhododendron tomentosum

Rhododendron vaseyi

Rhododendron viscosum

Rhododon ciliatus

Rhodotypos scandens

Rhus aromatica

Rhus aromatica ssp. pilosissima

Rhus aromatica ssp. trilobata

Rhus aromatica var. aromatica

Rhus aromatica var. pilosissima

Rhus choriophylla

Rhus copallinum

Rhus copallinum var. lanceolata

Rhus coriaria

Rhus glabra

Rhus integrifolia

Rhus kearneyi

Rhus lanceolata

Rhus laurina

Rhus microphylla

Rhus ovata

Rhus radicans

Rhus taitensis

Rhus typhina

Rhus virens

Rhus virens var. choriophylla

Rhynchoglossum azureum

Rhynchosia americana

Rhynchosia caribaea

Rhynchosia cytisoides

Rhynchosia difformis

Rhynchosia edulis

Rhynchosia erecta

Rhynchosia latifolia

Rhynchosia minima

Rhynchosia phaseoloides

Rhynchosia precatoria

Rhynchosia reniformis

Rhynchosia reticulata

Rhynchosia senna

Rhynchosia senna var. texana

Rhynchosia texana

Rhynchosia tomentosa

Rhynchosia tomentosa var. tomentosa

Rhynchosida physocalyx

Rhynchosinapis cheiranthos

Rhynchospora alba

Rhynchospora baldwinii

Rhynchospora caduca

Rhynchospora californica

Rhynchospora capillacea

Rhynchospora capitellata

Rhynchospora careyana

Rhynchospora cephalantha

Rhynchospora chalarocephala

Rhynchospora chapmanii

Rhynchospora ciliaris

Rhynchospora colorata

Rhynchospora corniculata

Rhynchospora debilis

Rhynchospora decurrens

Rhynchospora divergens

Rhynchospora elliottii

Rhynchospora eximia

Rhynchospora fascicularis

Rhynchospora filifolia

Rhynchospora fusca

Rhynchospora globularis

Rhynchospora glomerata

Rhynchospora gracilenta

Rhynchospora harveyi

Rhynchospora inexpansa

Rhynchospora inundata

Rhynchospora kunthii

Rhynchospora latifolia

Rhynchospora macra

Rhynchospora macrostachya

Rhynchospora megalocarpa

Rhynchospora microcephala

Rhynchospora miliacea

Rhynchospora mixta

Rhynchospora nitens

Rhynchospora nivea

Rhynchospora pallida

Rhynchospora perplexa

Rhynchospora plumosa

Rhynchospora punctata

Rhynchospora pusilla

Rhynchospora rariflora

Rhynchospora scirpoides

Rhynchospora torreyana

Rhynchospora tracyi

Rhynchospora wrightiana

Rhynchostegiella compacta

Rhytidiadelphus loreus

Rhytidiadelphus squarrosus

Rhytidiadelphus triquetrus

Rhytidiopsis robusta

Rhytidium rugosum

Ribes acerifolium

Ribes amarum

Ribes americanum

Ribes amictum

Ribes aureum

Ribes aureum var. aureum

Ribes aureum var. villosum

Ribes binominatum

Ribes bracteosum

Ribes californicum

Ribes californicum var. hesperium

Ribes cereum

Ribes cereum var. cereum

Ribes coloradense

Ribes cynosbati

Ribes divaricatum

Ribes echinellum

Ribes erythrocarpum

Ribes glandulosum

Ribes glutinosum

Ribes hesperium

Ribes hirtellum

Ribes hudsonianum

Ribes indecorum

Ribes inerme

Ribes inerme var. inerme

Ribes irriguum

Ribes lacustre

Ribes lasianthum

Ribes laxiflorum

Ribes leptanthum

Ribes lobbii

Ribes malvaceum

Ribes marshallii

Ribes menziesii

Ribes mescalerium

Ribes missouriense

Ribes montigenum

Ribes multiflorum

Ribes niveum

Ribes odoratum

Ribes oxyacanthoides

Ribes oxyacanthoides var. irriguum

Ribes pinetorum

Ribes quercetorum

Ribes roezlii

Ribes roezlii var. amictum

Ribes rotundifolium

Ribes rubrum

Ribes sanguineum

Ribes sanguineum var. glutinosum

Ribes sericeum

Ribes speciosum

Ribes triste

Ribes velutinum

Ribes viburnifolium

Ribes victoris

Ribes viscosissimum

Ribes wolfii

Riccardia chamedryfolia

Riccardia latifrons

Riccardia latifrons ssp. latifrons

Riccardia multifida

Riccardia multifida ssp. multifida

Riccardia palmata

Riccia albida

Riccia beyrichiana

Riccia bifurca

Riccia californica

Riccia campbelliana

Riccia cavernosa

Riccia curtisii

Riccia dictyospora

Riccia donnellii

Riccia fluitans

Riccia frostii

Riccia glauca

Riccia hirta

Riccia macallisteri

Riccia membranacea

Riccia nigrella

Riccia sorocarpa

Riccia sullivantii

Riccia trichocarpa

Richardia brasiliensis

Richardia scabra

Richardia tricocca

Ricinus communis

Riella affinis

Riella americana

Rigiopappus leptocladus

Rimelia clavulifera

Rimelia subisidiosa

Rimeliella recipienda

Rimularia badioatra

Rimularia exigua

Rimularia furvella

Rimularia gibbosa

Rimularia impavida

Rimularia sphacelata

Rinodina abolescens

Rinodina adirondackii

Rinodina aequatula

Rinodina albana

Rinodina albertana

Rinodina archaea

Rinodina arnoldii

Rinodina ascociscana

Rinodina atrocinerea

Rinodina atrocinerella

Rinodina australiensis

Rinodina balanina

Rinodina basalticola

Rinodina bischoffii

Rinodina bolanderi

Rinodina boulderensis

Rinodina brouardii

Rinodina buckii

Rinodina buellioides

Rinodina cacaotina

Rinodina cacuminum

Rinodina calcarea

Rinodina californiensis

Rinodina cana

Rinodina capensis

Rinodina castaneomela

Rinodina castanomela

Rinodina castanoplaca

Rinodina chrysidiata

Rinodina chrysomelaena

Rinodina cinnamomea

Rinodina colobina

Rinodina colobinoides

Rinodina coloradiana

Rinodina compensata

Rinodina confinis

Rinodina confragosa

Rinodina connectens

Rinodina conradii

Rinodina corticicola

Rinodina crustulata

Rinodina demissa

Rinodina depressa

Rinodina diplocheila

Rinodina discolor

Rinodina dubyana

Rinodina dubyanoides

Rinodina efflorescens

Rinodina erysiphaea

Rinodina excrescens

Rinodina freyi

Rinodina galapagoensis

Rinodina gennarii

Rinodina graciliforminica

Rinodina grandilocularis

Rinodina granulans

Rinodina guianensis

Rinodina guzzinii

Rinodina hallii

Rinodina herrei

Rinodina horiza

Rinodina huillensis

Rinodina immersa

Rinodina imshaugii

Rinodina innata

Rinodina intermedia

Rinodina intrusa

Rinodina isidioides

Rinodina juniperina

Rinodina laevigata

Rinodina lecanorina

Rinodina lepida

Rinodina lobulata

Rinodina luridata

Rinodina luridescens

Rinodina maculans

Rinodina maculiformis

Rinodina marysvillensis

Rinodina megapotamica

Rinodina melanotropa

Rinodina metaboliza

Rinodina milvina

Rinodina minutissima

Rinodina mniaraea

Rinodina mniaraeiza

Rinodina murrayii

Rinodina obnascens

Rinodina obscura

Rinodina oleae

Rinodina olivaceobrunnea

Rinodina orbata

Rinodina oxydata

Rinodina pachysperma

Rinodina pacifica

Rinodina papillata

Rinodina parasitica

Rinodina peloleuca

Rinodina pinicola

Rinodina polyspora

Rinodina populicola

Rinodina pyrina

Rinodina rhododendri

Rinodina roboris

Rinodina roscida

Rinodina santae-monicae

Rinodina septentrionalis

Rinodina siouxiana

Rinodina sipmanii

Rinodina sophodes

Rinodina soredicola

Rinodina straussii

Rinodina subexigua

Rinodina subglaucescens

Rinodina subminuta

Rinodina succedens

Rinodina teichophila

Rinodina teichophiloides

Rinodina tephraspis

Rinodina terrestris

Rinodina thiomela

Rinodina trachytica

Rinodina trevisanii

Rinodina turfacea

Rinodina venostana

Rinodina williamsii

Rinodina xanthomelana

Rinodina zwackhiana

Rinodinella controversa

Rivina humilis

Robergea pupula

Robinia elliottii

Robinia hispida

Robinia hispida var. nana

Robinia nana

Robinia neomexicana

Robinia neomexicana var. rusbyi

Robinia pseudo-acacia

Robinia pseudoacacia

Robinia viscosa

Roccella arnoldii

Roccella boergesenii

Roccella canariensis

Roccella decipiens

Roccella fuciformis

Roccella fucoides

Roccella geniculata

Roccella gracilis

Roccella hypomecha

Roccella immutata

Roccella linearis

Roccella lirellina

Roccella margaritifera

Roccella montagnei

Roccella nigerrima

Roccella phycopsis

Roccella portentosa

Roccella sinensis

Roccella teneriffensis

Roccella tinctoria

Roccella tuberculata

Roccella vicentina

Roccellina accedens

Roccellina badia

Roccellina capensis

Roccellina cerebriformis

Roccellina chalybea

Roccellina conformis

Roccellina limitata

Roccellina lutosa

Roccellina nipponica

Roccellina obscura

Roccellina portentosa

Roccellina suffructicosa

Roccellina terrestris

Roccellinastrum epiphyllum

Roccellinastrum neglectum

Roellia roellii

Roemeria refracta

Roldana hartwegii

Roldana petasitis

Romanzoffia californica

Romanzoffia sitchensis

Romanzoffia thompsonii

Romanzoffia tracyi

Romanzoffia unalaschcensis

Romjularia lurida

Romneya coulteri

Romneya trichocalyx

Rondeletia inermis

Ropalospora chlorantha

Ropalospora lugubris

Ropalospora viridis

Rorippa X prostrata

Rorippa alpina

Rorippa amphibia

Rorippa austriaca

Rorippa barbareifolia

Rorippa curvipes

Rorippa curvipes var. curvipes

Rorippa curvisiliqua

Rorippa indica

Rorippa islandica

Rorippa microtitis

Rorippa palustris

Rorippa palustris ssp. hispida

Rorippa sessiliflora

Rorippa sinuata

Rorippa sphaerocarpa

Rorippa sylvestris

Rorippa tenerrima

Rorippa teres

Rosa X odorata

Rosa acicularis

Rosa acicularis ssp. sayi

Rosa arkansana

Rosa blanda

Rosa bourgeauiana

Rosa bracteata

Rosa californica

Rosa carolina

Rosa carolina ssp. carolina

Rosa cinnamomea

Rosa foetida

Rosa foliolosa

Rosa glauca

Rosa gymnocarpa

Rosa harisonii

Rosa humilis

Rosa laevigata

Rosa minutifolia

Rosa multiflora

Rosa nitida

Rosa nutkana

Rosa nutkana ssp. macdougalii

Rosa nutkana ssp. nutkana

Rosa palustris

Rosa pinetorum

Rosa pisocarpa

Rosa rubiginosa

Rosa sayi

Rosa setigera

Rosa stellata

Rosa woodsii

Rosa woodsii ssp. arizonica

Rosa woodsii ssp. ultramontana

Rosa woodsii ssp. woodsii

Rostania callibotrys

Rostania ceranisca

Rostania occultata

Rotala indica

Rotala ramosior

Rubacer parviflorum

Rubia tinctorum

Rubus X ascendens

Rubus X bigelovianus

Rubus X janssonii

Rubus X novanglicus

Rubus X ostryifolius

Rubus X pergratus

Rubus X recurvicaulis

Rubus alaskensis

Rubus allegheniensis

Rubus arcticus ssp. acaulis

Rubus arcticus ssp. arcticus

Rubus argutus

Rubus armeniacus

Rubus bifrons

Rubus canadensis

Rubus chamaemorus

Rubus cuneifolius

Rubus deliciosus

Rubus discolor

Rubus flagellaris

Rubus glaucifolius

Rubus heterophyllus

Rubus hispidus

Rubus idaeus

Rubus idaeus ssp. melanolasius

Rubus illecebrosus

Rubus laciniatus

Rubus leucodermis

Rubus melanolasius

Rubus neomexicanus

Rubus occidentalis

Rubus odoratus

Rubus parviflorus

Rubus pensilvanicus

Rubus phoenicolasius

Rubus pubescens

Rubus recurvans

Rubus sachalinensis var. sachalinensis

Rubus saxatilis

Rubus setosus

Rubus spectabilis

Rubus strigosus

Rubus trivialis

Rubus ulmifolius

Rubus ursinus

Rudbeckia ampla

Rudbeckia californica

Rudbeckia fulgida

Rudbeckia grandiflora

Rudbeckia heliopsidis

Rudbeckia hirta

Rudbeckia hirta var. pulcherrima

Rudbeckia laciniata

Rudbeckia laciniata var. ampla

Rudbeckia maxima

Rudbeckia missouriensis

Rudbeckia montana

Rudbeckia occidentalis

Rudbeckia occidentalis var. montana

Rudbeckia speciosa

Rudbeckia subtomentosa

Rudbeckia triloba

Ruellia blechum

Ruellia brevifolia

Ruellia caroliniensis

Ruellia ciliatiflora

Ruellia ciliosa

Ruellia drummondiana

Ruellia humilis

Ruellia humistrata

Ruellia metzae

Ruellia nudiflora

Ruellia occidentalis

Ruellia parryi

Ruellia patula

Ruellia pedunculata

Ruellia prostrata

Ruellia purshiana

Ruellia simplex

Ruellia strepens

Rufoplaca arenaria

Rumex acetosa

Rumex acetosella

Rumex altissimus

Rumex aquaticus

Rumex aquaticus ssp. occidentalis

Rumex arcticus

Rumex britannica

Rumex californicus

Rumex chrysocarpus

Rumex conglomeratus

Rumex crassus

Rumex crispus

Rumex densiflorus

Rumex dentatus

Rumex fueginus

Rumex graminifolius

Rumex hymenosepalus

Rumex lacustris

Rumex longifolius

Rumex maritimus

Rumex maritimus ssp. fueginus

Rumex mexicanus

Rumex obovatus

Rumex obtusifolius

Rumex occidentalis

Rumex paraguayensis

Rumex patientia

Rumex paucifolius

Rumex pulcher

Rumex spiralis

Rumex stenophyllus

Rumex subarcticus

Rumex transitorius

Rumex triangulivalvis

Rumex utahensis

Rumex venosus

Rumex verticillatus

Rumex violascens

Rumohra adiantiformis

Rupertia physodes

Ruppia cirrhosa

Ruppia cirrhosa ssp. occidentalis

Ruppia maritima

Rusavskia elegans

Rusavskia sorediata

Russelia equisetiformis

Ruta chalepensis

Ruta graveolens

Rydbergia brandegeei

Rydbergia brandegei

Rydbergia grandiflora