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.

Cabomba caroliniana

Cacaliopsis nardosmia

Caesalpinia caudata

Caesalpinia crista

Caesalpinia drepanocarpa

Caesalpinia gilliesii

Caesalpinia jamesii

Caesalpinia mexicana

Caesalpinia oxycarpa

Caesalpinia parryi

Caesalpinia pulcherrima

Caesalpinia repens

Caesalpinia virgata

Cakile edentula

Cakile edentula ssp. harperi

Cakile geniculata

Cakile harperi

Cakile lanceolata

Cakile maritima

Calamagrostis bolanderi

Calamagrostis breweri

Calamagrostis canadensis

Calamagrostis canadensis var. canadensis

Calamagrostis howellii

Calamagrostis koelerioides

Calamagrostis lapponica

Calamagrostis montanensis

Calamagrostis nutkaensis

Calamagrostis orizabae

Calamagrostis purpurascens

Calamagrostis purpurascens var. laricina

Calamagrostis rubescens

Calamagrostis scopulorum

Calamagrostis stricta

Calamagrostis stricta ssp. inexpansa

Calamagrostis tolucensis

Calamagrostis tweedyi

Calamovilfa brevipilis

Calamovilfa gigantea

Calamovilfa longifolia

Calandrinia breweri

Calandrinia ciliata

Calceolaria tripartita

Caldesia parnassifolia

Calendula arvensis

Calendula officinalis

Calepina irregularis

Calibrachoa parviflora

Calla palustris

Callaeum macropterum

Calliandra californica

Calliandra eriophylla

Calliandra houstoniana

Calliandra humilis

Callicarpa americana

Callicarpa dichotoma

Callicarpa formosana

Callicarpa japonica

Callicladium haldanianum

Calliergon cordifolium

Calliergon giganteum

Calliergon megalophyllum

Calliergon obtusifolium

Calliergon pseudosarmentosum

Calliergon richardsonii

Calliergon stramineum

Calliergon trifarium

Calliergon wickesiae

Calliergonella cuspidata

Callirhoe alcaeoides

Callirhoe digitata

Callirhoe leiocarpa

Callirhoe papaver

Callirhoe pedata

Callirhoe triangulata

Callirhoë involucrata

Callisia graminea

Callisia rosea

Callistemon citrinus

Callistemon linearis

Callistemon rigidus

Callistemon viminalis

Callistopteris baldwinii

Callitriche brutia var. hamulata

Callitriche hamulata

Callitriche hermaphroditica

Callitriche heterophylla

Callitriche heterophylla var. heterophylla

Callitriche marginata

Callitriche palustris

Callitriche pedunculosa

Callitriche peploides

Callitriche stagnalis

Callitriche terrestris

Callitriche verna

Calochlaena javanica

Calochortus albus

Calochortus amabilis

Calochortus ambiguus

Calochortus amoenus

Calochortus apiculatus

Calochortus aureus

Calochortus bruneaunis

Calochortus catalinae

Calochortus coeruleus

Calochortus dunnii

Calochortus elegans

Calochortus elegans var. selwayensis

Calochortus eurycarpus

Calochortus flexuosus

Calochortus gunnisonii

Calochortus gunnisonii var. gunnisonii

Calochortus howellii

Calochortus invenustus

Calochortus kennedyi

Calochortus kennedyi var. munzii

Calochortus leichtlinii

Calochortus longebarbatus

Calochortus luteus

Calochortus lyallii

Calochortus macrocarpus

Calochortus nitidus

Calochortus nudus

Calochortus nuttallii

Calochortus nuttallii var. nuttallii

Calochortus palmeri var. palmeri

Calochortus persistens

Calochortus pulchellus

Calochortus splendens

Calochortus striatus

Calochortus subalpinus

Calochortus tolmiei

Calochortus uniflorus

Calochortus venustus

Calochortus vestae

Calochortus weedii

Calophanes decumbens

Calopogon barbatus

Calopogon pallidus

Calopogon pulchellus

Calopogon tuberosus var. tuberosus

Calotis cuneifolia

Caltha leptosepala

Caltha minor

Caltha natans

Caltha palustris

Calycadenia fremontii

Calycadenia mollis

Calycadenia multiglandulosa

Calycadenia oppositifolia

Calycadenia pauciflora

Calycadenia spicata

Calycadenia truncata

Calycadenia villosa

Calycanthus fertilis

Calycanthus floridus

Calycanthus floridus var. glaucus

Calycanthus occidentalis

Calycoseris parryi

Calycoseris wrightii

Calylophus berlandieri

Calylophus hartwegii

Calylophus hartwegii ssp. pubescens

Calylophus lavandulifolius

Calylophus serrulatus

Calymperes erosum

Calymperes palisotii

Calymperes tenerum

Calypogeia azurea

Calypogeia fissa

Calypogeia integristipula

Calypogeia muelleriana

Calypogeia neesiana

Calypogeia peruviana

Calypogeia sphagnicola

Calypogeia suecica

Calypogeia sullivantii

Calypso bulbosa

Calypso bulbosa var. americana

Calyptocarpus vialis

Calystegia atriplicifolia ssp. atriplicifolia

Calystegia catesbeiana

Calystegia longipes

Calystegia macounii

Calystegia macrostegia

Calystegia malacophylla

Calystegia malacophylla var. malacophylla

Calystegia occidentalis

Calystegia occidentalis ssp. fulcrata

Calystegia occidentalis var. occidentalis

Calystegia polymorpha

Calystegia sepium

Calystegia sepium ssp. angulata

Calystegia soldanella

Calystegia spithamaea

Calystegia spithamaea ssp. purshiana

Calystegia subacaulis

Camassia angusta

Camassia cusickii

Camassia howellii

Camassia leichtlinii

Camassia quamash

Camassia scilloides

Camelina microcarpa

Camelina rumelica

Camelina sativa

Camellia sinensis

Camissonia arenaria

Camissonia atwoodii

Camissonia bistorta

Camissonia boothii

Camissonia breviflora

Camissonia brevipes

Camissonia californica

Camissonia campestris

Camissonia cardiophylla

Camissonia chamaenerioides

Camissonia cheiranthifolia

Camissonia claviformis

Camissonia confusa

Camissonia contorta

Camissonia dentata

Camissonia eastwoodiae

Camissonia graciliflora

Camissonia heterochroma

Camissonia hirtella

Camissonia intermedia

Camissonia kernensis

Camissonia lewisii

Camissonia micrantha

Camissonia minor

Camissonia multijuga

Camissonia munzii

Camissonia nevadensis

Camissonia ovata

Camissonia pallida

Camissonia palmeri

Camissonia parryi

Camissonia parvula

Camissonia pterosperma

Camissonia pubens

Camissonia pusilla

Camissonia refracta

Camissonia robusta

Camissonia scapoidea

Camissonia strigulosa

Camissonia subacaulis

Camissonia tanacetifolia

Camissonia walkeri

Camissoniopsis bistorta

Camissoniopsis cheiranthifolia ssp. cheiranthifolia

Camissoniopsis confusa

Camissoniopsis hirtella

Camissoniopsis intermedia

Camissoniopsis lewisii

Camissoniopsis micrantha

Camissoniopsis pallida ssp. pallida

Camissoniopsis robusta

Campanula alaskana

Campanula americana

Campanula aparinoides

Campanula aurita

Campanula californica

Campanula carpatica

Campanula chamissonis

Campanula dasyantha ssp. chamissonis

Campanula divaricata

Campanula floridana

Campanula giesekiana

Campanula glomerata

Campanula lasiocarpa

Campanula medium

Campanula parryi

Campanula parryi var. idahoensis

Campanula parryi var. parryi

Campanula persicifolia

Campanula petiolata

Campanula piperi

Campanula prenanthoides

Campanula rapunculoides

Campanula rotundifolia

Campanula scabrella

Campanula scouleri

Campanula uniflora

Campanula wilkinsiana

Campsis radicans

Campylium halleri

Campylium hispidulum

Campylium polygamum

Campylium stellatum

Campylium stellatum var. arcticum

Campylium stellatum var. protensum

Campyloneurum angustifolium

Campyloneurum phyllitidis

Campyloneurum repens

Campylopodiella stenocarpa

Campylopus angustiretis

Campylopus arctocarpus

Campylopus atrovirens

Campylopus carolinae

Campylopus fragilis

Campylopus pilifer

Campylopus schimperi

Campylopus schwarzii

Campylopus subulatus

Campylopus surinamensis

Campylopus tallulensis

Campylostelium saxicola

Canadanthus modestus

Cananga odorata

Canbya aurea

Canbya candida

Canna X generalis

Canna flaccida

Canna indica

Cannabis sativa

Canotia holacantha

Caperonia palustris

Capraria biflora

Capsella bursa-pastoris

Capsicum annuum

Capsicum baccatum

Caragana arborescens

Caragana aurantiaca

Cardamine angulata

Cardamine angustata

Cardamine bellidifolia

Cardamine breweri

Cardamine bulbifera

Cardamine bulbosa

Cardamine californica

Cardamine clematitis

Cardamine concatenata

Cardamine constancei

Cardamine cordifolia

Cardamine digitata

Cardamine diphylla

Cardamine dissecta

Cardamine douglassii

Cardamine flexuosa

Cardamine hirsuta

Cardamine impatiens

Cardamine maxima

Cardamine microphylla

Cardamine nymanii

Cardamine occidentalis

Cardamine oligosperma

Cardamine oligosperma var. oligosperma

Cardamine pachystigma

Cardamine parviflora

Cardamine penduliflora

Cardamine pensylvanica

Cardamine pratensis

Cardamine purpurea

Cardamine regeliana

Cardamine rotundifolia

Cardamine tenella

Cardamine umbellata

Cardaminopsis petraea

Cardaria chalepensis

Cardaria draba

Cardaria latifolia

Cardaria pubescens

Cardionema ramosissimum

Cardiospermum corindum

Cardiospermum grandiflorum

Cardiospermum halicacabum

Cardiospermum halicacabum var. microcarpum

Cardiospermum microcarpum

Carduus acanthoides

Carduus crispus

Carduus nutans

Carduus nutans ssp. macrolepis

Carduus pycnocephalus

Carduus tenuiflorus

Carex ablata

Carex aboriginum

Carex abrupta

Carex abscondita

Carex adelostoma

Carex adusta

Carex aestivalis

Carex aggregata

Carex alata

Carex albicans var. albicans

Carex albicans var. australis

Carex albida

Carex albo-nigra

Carex albonigra

Carex albursina

Carex alma

Carex alopecoidea

Carex amphibola

Carex amplifolia

Carex angustata

Carex angustior

Carex annectens

Carex anthoxanthea

Carex aperta

Carex aquatilis

Carex aquatilis ssp. aquatilis

Carex aquatilis ssp. stans

Carex aquatilis var. aquatilis

Carex aquatilis var. dives

Carex aquatilis var. minor

Carex arapahoensis

Carex arcta

Carex arctata

Carex arctiformis

Carex argyrantha

Carex artitecta

Carex assiniboinensis

Carex atherodes

Carex athrostachya

Carex atlantica

Carex atlantica ssp. atlantica

Carex atlantica ssp. capillacea

Carex atrata

Carex atratiformis

Carex atrofusca

Carex atrosquama

Carex aurea

Carex austrina

Carex austrocaroliniana

Carex backii

Carex bebbii

Carex bella

Carex bicknellii

Carex bicolor

Carex bigelowii

Carex bigelowii ssp. lugens

Carex biltmoreana

Carex blanda

Carex bolanderi

Carex bonanzensis

Carex bonplandii

Carex brainerdii

Carex brevior

Carex brevipes

Carex breweri

Carex bromoides

Carex brunnescens

Carex bushii

Carex buxbaumii

Carex californica

Carex canescens

Carex canescens ssp. canescens

Carex capillaris

Carex capitata

Carex capitata ssp. arctogena

Carex careyana

Carex caroliniana

Carex castanea

Carex cephalantha

Carex cephaloidea

Carex cephalophora

Carex chalciolepis

Carex chapmanii

Carex cherokeensis

Carex chihuahuensis

Carex chordorrhiza

Carex circinata

Carex communis

Carex comosa

Carex complanata

Carex concinna

Carex concinnoides

Carex congdonii

Carex conjuncta

Carex conoidea

Carex consimilis

Carex crandallii

Carex crawei

Carex crawfordii

Carex crebriflora

Carex crinita

Carex cristatella

Carex crus-corvi

Carex cryptolepis

Carex cumulata

Carex curatorum

Carex cusickii

Carex davisii

Carex debilis

Carex debilis var. rudgei

Carex deflexa

Carex deflexa var. boottii

Carex densa

Carex deweyana

Carex diandra

Carex digitalis

Carex dioica ssp. gynocrates

Carex disperma

Carex douglasii

Carex duriuscula

Carex ebenea

Carex eburnea

Carex echinata

Carex echinata ssp. echinata

Carex echinata ssp. phyllomanica

Carex egglestonii

Carex eleusinoides

Carex elynoides

Carex emoryi

Carex engelmannii

Carex epapillosa

Carex exilis

Carex exsiccata

Carex festivella

Carex festucacea

Carex feta

Carex filifolia

Carex filifolia var. erostrata

Carex fissuricola

Carex flacca

Carex flaccosperma

Carex flava

Carex flexuosa

Carex floridana

Carex foenea

Carex folliculata

Carex fracta

Carex frankii

Carex franklinii

Carex fuliginosa

Carex geophila

Carex geyeri

Carex gigantea

Carex glacialis

Carex glareosa

Carex glareosa ssp. pribylovensis

Carex glaucescens

Carex globosa

Carex gmelinii

Carex gracilescens

Carex gracilior

Carex gracillima

Carex granularis

Carex gravida

Carex gravida var. lunelliana

Carex grayi

Carex grisea

Carex gynandra

Carex gynocrates

Carex gynodynama

Carex halliana

Carex hallii

Carex hassei

Carex haydeniana

Carex haydenii

Carex helleri

Carex hendersonii

Carex heteroneura

Carex hirsutella

Carex hirtifolia

Carex hirtissima

Carex hitchcockiana

Carex holostoma

Carex hoodii

Carex hookerana

Carex hormathodes

Carex houghtoniana

Carex howei

Carex hyalinolepis

Carex hystericina

Carex idahoa

Carex illota

Carex incomperta

Carex incurviformis

Carex indet.

Carex infirminervia

Carex inops

Carex inops ssp. heliophila

Carex integra

Carex interior

Carex intumescens

Carex jamesii

Carex jonesii

Carex joorii

Carex krausei

Carex lachenalii

Carex lacustris

Carex laeviconica

Carex laeviculmis

Carex laevivaginata

Carex lanuginosa

Carex laricina

Carex lasiocarpa

Carex laxiculmis

Carex laxiflora

Carex leavenworthii

Carex lemmonii

Carex lenticularis

Carex lenticularis var. dolia

Carex lenticularis var. impressa

Carex lenticularis var. limnophila

Carex lenticularis var. lipocarpa

Carex leporinella

Carex leptalea

Carex leptonervia

Carex leptopoda

Carex limnophila

Carex limosa

Carex livida

Carex loliacea

Carex longii

Carex louisianica

Carex lugens

Carex lupuliformis

Carex lupulina

Carex lurida

Carex luzulina

Carex luzulina var. ablata

Carex lyngbyei

Carex mackenziei

Carex macloviana

Carex macrocephala

Carex macrochaeta

Carex magellanica

Carex magellanica ssp. irrigua

Carex marina

Carex mariposana

Carex maritima

Carex meadii

Carex media

Carex membranacea

Carex mendocinensis

Carex merritt-fernaldii

Carex mertensii

Carex mesochorea

Carex michauxiana

Carex microchaeta

Carex microdonta

Carex microglochin

Carex micropoda

Carex microptera

Carex misandra

Carex misera

Carex molesta

Carex muehlenbergii

Carex muehlenbergii var. enervis

Carex multicaulis

Carex multicostata

Carex muricata

Carex muskingumensis

Carex nardina

Carex nardina ssp. hepburnii

Carex nebrascensis

Carex nelsonii

Carex nervina

Carex neurophora

Carex nigra

Carex nigricans

Carex nigromarginata

Carex normalis

Carex norvegica

Carex norvegica ssp. norvegica

Carex norvegica ssp. stevenii

Carex nova

Carex novae-angliae

Carex nudata

Carex obispoensis

Carex obnupta

Carex obtusata

Carex occidentalis

Carex oligocarpa

Carex oligosperma

Carex onusta

Carex oreocharis

Carex ormantha

Carex ormostachya

Carex ovalis

Carex oxylepis

Carex pachystachya

Carex paleacea

Carex pallescens

Carex panicea

Carex pansa

Carex parallela

Carex parryana

Carex parryana ssp. hallii

Carex pauciflora

Carex paysonis

Carex peckii

Carex pedunculata

Carex pellita

Carex pelocarpa

Carex pensylvanica

Carex pensylvanica ssp. heliophila

Carex perglobosa

Carex petasata

Carex petricosa

Carex petricosa var. petricosa

Carex phaeocephala

Carex phyllomanica

Carex physorhyncha

Carex picta

Carex pityophila

Carex plana

Carex planostachys

Carex plantaginea

Carex platyphylla

Carex pluriflora

Carex podocarpa

Carex polystachya

Carex praeceptorum

Carex praegracilis

Carex prairea

Carex prasina

Carex praticola

Carex preslii

Carex pribylovensis

Carex projecta

Carex proposita

Carex pseudocyperus

Carex purpurifera

Carex radiata

Carex ramenskii

Carex rariflora

Carex raynoldsii

Carex reniformis

Carex retroflexa

Carex retrorsa

Carex richardsonii

Carex rosea

Carex rossii

Carex rostrata

Carex rotundata

Carex rufina

Carex rugosperma

Carex rupestris

Carex rupestris ssp. drummondiana

Carex sabulosa

Carex salina

Carex sartwelliana

Carex sartwellii

Carex saxatilis

Carex saxatilis ssp. laxa

Carex saximontana

Carex scabrata

Carex scabriuscula

Carex schiedeana

Carex schottii

Carex schweinitzii

Carex scirpoidea

Carex scirpoidea ssp. pseudoscirpoidea

Carex scoparia

Carex scopulorum

Carex scopulorum var. prionophylla

Carex scopulorum var. scopulorum

Carex senta

Carex seorsa

Carex serratodens

Carex sheldonii

Carex shortiana

Carex siccata

Carex silicea

Carex simulata

Carex sparganioides

Carex spectabilis

Carex specuicola

Carex spicata

Carex sprengelii

Carex squarrosa

Carex stenophylla ssp. eleocharis

Carex stenoptila

Carex sterilis

Carex stevenii

Carex stipata

Carex straminea

Carex straminiformis

Carex striata

Carex striatula

Carex stricta

Carex styloflexa

Carex stylosa

Carex subbracteata

Carex subfusca

Carex subnigricans

Carex subspathacea

Carex supina

Carex swanii

Carex sychnocephala

Carex tahoensis

Carex tenax

Carex tenera

Carex tenuiflora

Carex tetanica

Carex tetrastachya

Carex texensis

Carex thurberi

Carex tonsa

Carex tonsa var. rugosperma

Carex torreyi

Carex torta

Carex tribuloides

Carex trichocarpa

Carex triquetra

Carex trisperma

Carex tuckermanii

Carex tumulicola

Carex turbinata

Carex typhina

Carex umbellata

Carex unilateralis

Carex ursina

Carex utahensis

Carex utriculata

Carex vaginata

Carex vallicola

Carex venusta

Carex vernacula

Carex vesicaria

Carex vestita

Carex virescens

Carex viridula

Carex vulpinoidea

Carex whitneyi

Carex wiegandii

Carex willdenowii

Carex williamsii

Carex woodii

Carex wootonii

Carex xerantica

Carica papaya

Carissa carandas

Carissa edulis

Carlina vulgaris

Carlowrightia arizonica

Carlowrightia linearifolia

Carlowrightia parviflora

Carlowrightia serpyllifolia

Carlowrightia torreyana

Carminatia tenuiflora

Carpenteria californica

Carphephorus bellidifolius

Carphephorus corymbosus

Carphephorus odoratissimus

Carphephorus paniculatus

Carphephorus tomentosus

Carphochaete bigelovii

Carpinus betulus

Carpinus caroliniana

Carpobrotus chilensis

Carsonia sparsifolia

Carthamus lanatus

Carthamus oxyacanthus

Carthamus tinctorius

Carum carvi

Carum verticillatum

Carya aquatica

Carya brownii

Carya carolinae-septentrionalis

Carya cordiformis

Carya glabra

Carya illinoinensis

Carya laciniosa

Carya myristiciformis

Carya ovata

Carya ovata var. australis

Carya pallida

Carya texana

Carya tomentosa

Caryopteris clandonensis

Cascadia nuttallii

Casearia nitida

Casimiroa edulis

Casimiroa tetrameria

Cassia absus

Cassia aspera

Cassia chamaecrista

Cassia leptadenia

Cassiope lycopodioides

Cassiope mertensiana

Cassiope tetragona

Castanea dentata

Castanea mollissima

Castanea ozarkensis

Castanea pumila

Castanea sativa

Castela emoryi

Castela texana

Castilla elastica

Castilleja affinis

Castilleja affinis ssp. affinis

Castilleja affinis ssp. litoralis

Castilleja affinis ssp. neglecta

Castilleja angustifolia

Castilleja angustifolia var. dubia

Castilleja angustifolia var. flavescens

Castilleja annua

Castilleja applegatei

Castilleja applegatei ssp. martinii

Castilleja applegatei ssp. pallida

Castilleja applegatei ssp. pinetorum

Castilleja aquariensis

Castilleja arachnoidea

Castilleja arvensis

Castilleja attenuata

Castilleja austromontana

Castilleja brevilobata

Castilleja breweri

Castilleja campestris ssp. campestris

Castilleja caudata

Castilleja cervina

Castilleja chlorotica

Castilleja christii

Castilleja chromosa

Castilleja chrysantha

Castilleja cinerea

Castilleja citrina

Castilleja clokeyi

Castilleja coccinea

Castilleja covilleana

Castilleja cusickii

Castilleja densiflora ssp. densiflora

Castilleja dissitiflora

Castilleja elegans

Castilleja exserta

Castilleja exserta ssp. exserta

Castilleja flava

Castilleja flava var. flava

Castilleja flava var. rustica

Castilleja flavescens

Castilleja foliolosa

Castilleja franciscana

Castilleja galehintoniae

Castilleja genevievana

Castilleja glandulifera

Castilleja haydenii

Castilleja henryae

Castilleja hispida

Castilleja hispida ssp. brevilobata

Castilleja hololeuca

Castilleja hyetophila

Castilleja hyperborea

Castilleja indivisa

Castilleja integra

Castilleja integra var. integra

Castilleja integrifolia

Castilleja inverta

Castilleja jepsonii

Castilleja labiata

Castilleja lacera

Castilleja lanata

Castilleja lasiorhyncha

Castilleja latifolia

Castilleja lemmonii

Castilleja linariifolia

Castilleja lineariiloba

Castilleja lineata

Castilleja litoralis

Castilleja longispica

Castilleja lutescens

Castilleja martinii

Castilleja mexicana

Castilleja miniata

Castilleja miniata ssp. dixonii

Castilleja miniata ssp. elata

Castilleja miniata ssp. miniata

Castilleja minor

Castilleja minor ssp. minor

Castilleja mollis

Castilleja nana

Castilleja neglecta

Castilleja nervata

Castilleja nivea

Castilleja occidentalis

Castilleja oreopola

Castilleja pallescens

Castilleja pallescens var. inverta

Castilleja pallida

Castilleja parviflora

Castilleja parviflora var. oreopola

Castilleja parviflora var. parviflora

Castilleja patriotica

Castilleja peckiana

Castilleja peirsonii

Castilleja pilosa

Castilleja pilosa var. longispica

Castilleja pilosa var. pilosa

Castilleja pinetorum

Castilleja plagiotoma

Castilleja praeterita

Castilleja pruinosa

Castilleja puberula

Castilleja pulchella

Castilleja purpurea

Castilleja purpurea var. citrina

Castilleja raupii

Castilleja rhexifolia

Castilleja rhexiifolia

Castilleja rigida

Castilleja rubicundula ssp. lithospermoides

Castilleja rupicola

Castilleja salsuginosa

Castilleja scabrida

Castilleja scabrida var. barnebyana

Castilleja scabrida var. scabrida

Castilleja septentrionalis

Castilleja sessiliflora

Castilleja stenantha

Castilleja subinclusa

Castilleja subinclusa ssp. franciscana

Castilleja subinclusa ssp. subinclusa

Castilleja suksdorfii

Castilleja sulphurea

Castilleja tenuiflora

Castilleja tenuis

Castilleja thompsonii

Castilleja unalaschcensis

Castilleja viscidula

Castilleja wherryana

Castilleja wightii

Castilleja wootonii

Castilleja xanthotricha

Castilleja yukonis

Casuarina equisetifolia

Catabrosa aquatica

Catalpa speciosa

Catananche caerulea

Catapodium rigidum

Catharanthus roseus

Catoscopium nigritum

Caucalis daucoides

Caudalejeunea lehmanniana

Caulanthus amplexicaulis

Caulanthus anceps

Caulanthus barnebyi

Caulanthus cooperi

Caulanthus coulteri

Caulanthus crassicaulis

Caulanthus flavescens

Caulanthus glaucus

Caulanthus heterophyllus

Caulanthus inflatus

Caulanthus lasiophyllus

Caulanthus lemmonii

Caulanthus major

Caulanthus pilosus

Caulophyllum thalictroides

Cayratia japonica

Ceanothus americanus

Ceanothus arboreus

Ceanothus cordulatus

Ceanothus crassifolius

Ceanothus cuneatus

Ceanothus cuneatus var. cuneatus

Ceanothus cuneatus var. rigidus

Ceanothus dentatus

Ceanothus diversifolius

Ceanothus fendleri

Ceanothus ferrisiae

Ceanothus foliosus

Ceanothus gloriosus

Ceanothus greggii

Ceanothus greggii var. perplexans

Ceanothus greggii var. vestitus

Ceanothus herbaceus

Ceanothus incanus

Ceanothus integerrimus

Ceanothus jepsonii

Ceanothus leucodermis

Ceanothus martinii

Ceanothus megacarpus

Ceanothus microphyllus

Ceanothus oliganthus

Ceanothus palmeri

Ceanothus papillosus

Ceanothus parryi

Ceanothus perplexans

Ceanothus pinetorum

Ceanothus prostratus

Ceanothus pumilus

Ceanothus purpureus

Ceanothus ramulosus

Ceanothus rigidus

Ceanothus sanguineus

Ceanothus sorediatus

Ceanothus spinosus

Ceanothus thyrsiflorus

Ceanothus tomentosus

Ceanothus velutinus

Ceanothus velutinus var. velutinus

Ceanothus verrucosus

Ceanothus vestitus

Cecropia peltata

Cecropia schreberiana ssp. antillarum

Ceiba aesculifolia

Ceiba pentandra

Celastrus orbiculatus

Celastrus scandens

Celmisia spectabilis

Celosia argentea

Celosia trigyna

Celtis australis

Celtis bungeana

Celtis caucasica

Celtis iguanaea

Celtis laevigata

Celtis occidentalis

Celtis pallida

Celtis planchoniana

Celtis reticulata

Celtis sinensis

Celtis spinosa

Celtis tala

Celtis tenuifolia

Celtis trinervia

Cenchrus brownii

Cenchrus ciliaris

Cenchrus clandestinus

Cenchrus durus

Cenchrus echinatus

Cenchrus incertus

Cenchrus longispinus

Cenchrus multiflorus

Cenchrus myosuroides

Cenchrus palmeri

Cenchrus polystachios

Cenchrus setaceus

Cenchrus tribuloides

Centaurea X moncktonii

Centaurea X psammogena

Centaurea aspera

Centaurea benedicta

Centaurea cyanus

Centaurea dealbata

Centaurea depressa

Centaurea diffusa

Centaurea eriophora

Centaurea hypoleuca

Centaurea maculosa

Centaurea melitensis

Centaurea montana

Centaurea moschata

Centaurea nigra

Centaurea nigrescens

Centaurea orientalis

Centaurea ovina

Centaurea phrygia

Centaurea pratensis

Centaurea rothrockii

Centaurea scabiosa

Centaurea solstitialis

Centaurea squarrosa

Centaurea sulphurea

Centaurea triumfettii

Centaurea uniflora

Centaurea virgata

Centaurea virgata ssp. squarrosa

Centaurium beyrichii

Centaurium calycosum

Centaurium erythraea

Centaurium exaltatum

Centaurium floribundum

Centaurium maryannum

Centaurium muehlenbergii

Centaurium pulchellum

Centaurium texense

Centaurium venustum

Centella asiatica

Centranthus ruber

Centratherum punctatum

Centromadia fitchii

Centrosema virginianum

Centrostegia thurberi

Cephalanthus occidentalis

Cephalanthus salicifolius

Cephalaria gigantea

Cephalozia affinis

Cephalozia bicuspidata

Cephalozia bicuspidata ssp. ambigua

Cephalozia bicuspidata ssp. lammersiana

Cephalozia catenulata

Cephalozia connivens

Cephalozia leucantha

Cephalozia lunulifolia

Cephalozia macounii

Cephalozia macrostachya

Cephalozia pleniceps

Cephaloziella arctica

Cephaloziella divaricata

Cephaloziella divaricata var. scabra

Cephaloziella elachista

Cephaloziella gracillima

Cephaloziella hampeana

Cephaloziella hyalina

Cephaloziella phyllacantha

Cephaloziella rappii

Cephaloziella rubella

Cephaloziella subdentata

Cephaloziella turneri

Cerastium aleuticum

Cerastium alpinum

Cerastium arcticum

Cerastium arvense

Cerastium arvense ssp. strictum

Cerastium axillare

Cerastium beeringianum

Cerastium beeringianum ssp. earlei

Cerastium bialynickii

Cerastium biebersteinii

Cerastium brachypetalum

Cerastium brachypodum

Cerastium cerastoides

Cerastium dichotomum

Cerastium diffusum

Cerastium fastigiatum

Cerastium fischerianum

Cerastium fontanum

Cerastium fontanum ssp. vulgare

Cerastium glomeratum

Cerastium latifolium

Cerastium maximum

Cerastium nutans

Cerastium nutans var. brachypodum

Cerastium pauciflorum

Cerastium pumilum

Cerastium regelii

Cerastium semidecandrum

Cerastium strictum

Cerastium texanum

Cerastium tomentosum

Cerastium velutinum

Cerasus mahaleb

Cerasus pensylvanica

Cerasus pumila

Cerasus pumila ssp. besseyi

Ceratocephala orthoceras

Ceratochloa carinata

Ceratodon purpureus

Ceratodon purpureus var. rotundifolius

Ceratodon stenocarpus

Ceratolejeunea confusa

Ceratolejeunea laetefusca

Ceratophyllum demersum

Ceratophyllum echinatum

Ceratopteris richardii

Ceratopteris thalictroides

Cercidiphyllum japonicum

Cercidium macrum

Cercidium texanum

Cercis canadensis

Cercis occidentalis

Cercocarpus betuloides

Cercocarpus breviflorus

Cercocarpus intricatus

Cercocarpus ledifolius

Cercocarpus ledifolius var. intricatus

Cercocarpus minutiflorus

Cercocarpus montanus

Cerinthe major

Cestrum aurantiacum

Cestrum diurnum

Cestrum elegans

Cestrum fasciculatum

Cestrum nocturnum

Cestrum parqui

Cevallia sinuata

Chaenactis alpina

Chaenactis carphoclinia

Chaenactis cusickii

Chaenactis douglasii

Chaenactis douglasii var. alpina

Chaenactis douglasii var. douglasii

Chaenactis evermannii

Chaenactis fremontii

Chaenactis glabriuscula

Chaenactis macrantha

Chaenactis nevadensis

Chaenactis nevii

Chaenactis santolinoides

Chaenactis stevioides

Chaenactis suffrutescens

Chaenactis tanacetifolia

Chaenactis xantiana

Chaenomeles japonica

Chaenomeles sinensis

Chaenomeles speciosa

Chaenorhinum minus

Chaenorrhinum minus

Chaerophyllum aromaticum

Chaerophyllum bulbosum

Chaerophyllum procumbens

Chaerophyllum tainturieri

Chaerophyllum temulum

Chaerophyllum texanum

Chaetadelpha wheeleri

Chaetium bromoides

Chaetopappa asteroides

Chaetopappa aurea

Chaetopappa bellidifolia

Chaetopappa bellioides

Chaetopappa effusa

Chaetopappa elegans

Chaetopappa ericoides

Chaetopappa parryi

Chamaebatia australis

Chamaebatia foliolosa

Chamaebatiaria millefolium

Chamaechaenactis scaposa

Chamaecrista absus var. absus

Chamaecrista fasciculata

Chamaecrista fasciculata var. fasciculata

Chamaecrista greggii

Chamaecrista nictitans

Chamaecrista nictitans var. aspera

Chamaecrista nictitans var. leptadenia

Chamaecrista robusta

Chamaecrista rotundifolia

Chamaedaphne calyculata

Chamaemelum fuscatum

Chamaepericlymenum canadense

Chamaerhodos erecta

Chamaerhodos erecta ssp. nuttallii

Chamaesaracha coniodes

Chamaesaracha conioides

Chamaesaracha coronopus

Chamaesaracha crenata

Chamaesaracha edwardsiana

Chamaesaracha pallida

Chamaesaracha sordida

Chamaesaracha villosa

Chamaesyce abramsiana

Chamaesyce acuta

Chamaesyce adenoptera

Chamaesyce albomarginata

Chamaesyce arizonica

Chamaesyce blodgettii

Chamaesyce capitellata

Chamaesyce carunculata

Chamaesyce chaetocalyx

Chamaesyce cinerascens

Chamaesyce cordifolia

Chamaesyce degeneri

Chamaesyce fendleri

Chamaesyce florida

Chamaesyce geyeri

Chamaesyce glomerifera

Chamaesyce glyptosperma

Chamaesyce gracillima

Chamaesyce hillebrandii

Chamaesyce hirta

Chamaesyce hooveri

Chamaesyce hypericifolia

Chamaesyce hyssopifolia

Chamaesyce indivisa

Chamaesyce lasiocarpa

Chamaesyce lata

Chamaesyce melanadenia

Chamaesyce mendezii

Chamaesyce micromera

Chamaesyce missurica

Chamaesyce nutans

Chamaesyce nuttallii

Chamaesyce ocellata

Chamaesyce ophthalmica

Chamaesyce parishii

Chamaesyce parryi

Chamaesyce pediculifera

Chamaesyce petaloidea

Chamaesyce polycarpa

Chamaesyce polygonifolia

Chamaesyce preslii

Chamaesyce prostrata

Chamaesyce revoluta

Chamaesyce serpens

Chamaesyce serpyllifolia

Chamaesyce serrula

Chamaesyce simulans

Chamaesyce skottsbergii

Chamaesyce stictospora

Chamaesyce supina

Chamaesyce thymifolia

Chamaesyce vallis-mortae

Chamaesyce vermiculata

Chamaesyce villifera

Chamerion angustifolium

Chamerion angustifolium ssp. circumvagum

Chamerion danielsii

Chamerion latifolium

Chamerion subdentatum

Chamissoa altissima

Chandonanthus hirtellus

Chaptalia nutans

Chaptalia texana

Chaptalia tomentosa

Charpentiera obovata

Chasmanthium latifolium

Chasmanthium laxum

Chasmanthium laxum ssp. sessiliflorum

Chasmanthium sessiliflorum

Cheilanthes aemula

Cheilanthes alabamensis

Cheilanthes angustifolia

Cheilanthes bonariensis

Cheilanthes clevelandii

Cheilanthes cooperae

Cheilanthes covillei

Cheilanthes eatonii

Cheilanthes fendleri

Cheilanthes féei

Cheilanthes gracillima

Cheilanthes hirsuta

Cheilanthes intertexta

Cheilanthes kaulfussii

Cheilanthes lanosa

Cheilanthes lendigera

Cheilanthes lindheimeri

Cheilanthes marginata

Cheilanthes microphylla

Cheilanthes newberryi

Cheilanthes notholaenoides

Cheilanthes parryi

Cheilanthes pringlei

Cheilanthes pyramidalis

Cheilanthes siliquosa

Cheilanthes tenuifolia

Cheilanthes tomentosa

Cheilanthes villosa

Cheilanthes viscida

Cheilanthes wootonii

Cheilanthes wrightii

Cheilanthes yavapensis

Cheilocostus speciosus

Cheilolejeunea clausa

Cheilolejeunea decidua

Cheilolejeunea polyantha

Cheilolejeunea rigidula

Cheirodendron helleri

Cheirodendron trigynum

Cheirodendron trigynum ssp. helleri

Chelidonium majus

Chelone glabra

Chelone lyonii

Chelone obliqua

Chenopodium album

Chenopodium atrovirens

Chenopodium berlandieri

Chenopodium berlandieri var. boscianum

Chenopodium berlandieri var. bushianum

Chenopodium berlandieri var. zschackei

Chenopodium botrys

Chenopodium californicum

Chenopodium capitatum

Chenopodium capitatum var. parvicapitatum

Chenopodium chenopodioides

Chenopodium cycloides

Chenopodium desiccatum

Chenopodium foliosum

Chenopodium fremontii

Chenopodium glaucum

Chenopodium hians

Chenopodium incanum

Chenopodium leptophyllum

Chenopodium macrospermum

Chenopodium missouriense

Chenopodium murale

Chenopodium neomexicanum

Chenopodium nevadense

Chenopodium pratericola

Chenopodium rubrum

Chenopodium simplex

Chenopodium strictum

Chenopodium subglabrum

Chenopodium watsonii

Chilopsis linearis

Chiloscyphus fragilis

Chiloscyphus pallescens

Chiloscyphus pallescens var. fragilis

Chiloscyphus polyanthos

Chiloscyphus polyanthos var. rivularis

Chimaphila maculata

Chimaphila menziesii

Chimaphila umbellata

Chimaphila umbellata ssp. occidentalis

Chiococca alba

Chionanthus virginicus

Chionophila jamesii

Chionophila tweedyi

Chloracantha spinosa

Chloris X subdolichostachya

Chloris andropogonoides

Chloris ciliata

Chloris cucullata

Chloris submutica

Chloris truncata

Chloris verticillata

Chloris virgata

Chlorocrepis albiflora

Chlorocrepis fendleri

Chlorocrepis tristis ssp. gracilis

Chlorogalum pomeridianum

Chloropyron maritimum ssp. canescens

Chloropyron maritimum ssp. maritimus

Chloropyron molle ssp. molle

Chloropyron tecopense

Chondrilla juncea

Chondrophylla aquatica

Chondrophylla nutans

Chondrophylla prostrata

Chondrosum barbatum

Chondrosum eriopodum

Chondrosum gracile

Chondrosum hirsutum

Chondrosum parryi

Chondrosum prostratum

Chonecolea doellingeri

Chorisiva nevadensis

Chorispora tenella

Chorizanthe angustifolia

Chorizanthe brevicornu

Chorizanthe brevicornu var. brevicornu

Chorizanthe clevelandii

Chorizanthe corrugata

Chorizanthe cuspidata

Chorizanthe diffusa

Chorizanthe douglasii

Chorizanthe fimbriata

Chorizanthe leptotheca

Chorizanthe membranacea

Chorizanthe obovata

Chorizanthe polygonoides

Chorizanthe procumbens

Chorizanthe pungens

Chorizanthe rectispina

Chorizanthe rigida

Chorizanthe spinosa

Chorizanthe staticoides

Chorizanthe stellulata

Chorizanthe valida

Chorizanthe ventricosa

Chorizanthe watsonii

Chorizanthe xanti

Chromolaena bigelovii

Chromolaena odorata

Chrysactinia mexicana

Chrysanthemum arcticum

Chrysanthemum carinatum

Chrysanthemum coccineum

Chrysanthemum coronarium

Chrysanthemum frutescens

Chrysanthemum indicum

Chrysanthemum segetum

Chryso-hypnum diminutivum

Chrysobalanus icaco

Chrysogonum virginianum

Chrysolepis chrysophylla

Chrysolepis sempervirens

Chrysoma pauciflosculosa

Chrysophyllum cainito

Chrysophyllum oliviforme

Chrysopsis graminifolia

Chrysopsis mariana

Chrysopsis nervosa

Chrysosplenium alternifolium

Chrysosplenium americanum

Chrysosplenium glechomifolium

Chrysosplenium iowense

Chrysosplenium tetrandrum

Chrysosplenium wrightii

Chrysothamnus depressus

Chrysothamnus gramineus

Chrysothamnus greenei

Chrysothamnus greenei ssp. filifolius

Chrysothamnus greenei ssp. greenei

Chrysothamnus humilis

Chrysothamnus linifolius

Chrysothamnus nauseosus

Chrysothamnus nauseosus ssp. bigelovii

Chrysothamnus nauseosus ssp. consimilis

Chrysothamnus nauseosus ssp. graveolens

Chrysothamnus nauseosus ssp. hololeucus

Chrysothamnus nauseosus ssp. junceus

Chrysothamnus nauseosus ssp. leiospermus

Chrysothamnus nauseosus ssp. nauseosus

Chrysothamnus nauseosus ssp. texensis

Chrysothamnus nauseosus var. graveolens

Chrysothamnus nauseosus var. linearifolius

Chrysothamnus parryi

Chrysothamnus parryi ssp. affinis

Chrysothamnus parryi ssp. attenuatus

Chrysothamnus parryi ssp. howardii

Chrysothamnus parryi ssp. parryi

Chrysothamnus parryi var. howardii

Chrysothamnus pulchellus

Chrysothamnus pulchellus ssp. baileyi

Chrysothamnus stylosus

Chrysothamnus vaseyi

Chrysothamnus viscidiflorus

Chrysothamnus viscidiflorus ssp. axillaris

Chrysothamnus viscidiflorus ssp. lanceolatus

Chrysothamnus viscidiflorus ssp. pumilus

Chrysothamnus viscidiflorus ssp. stenophyllus

Chrysothamnus viscidiflorus ssp. viscidiflorus

Chusquea serrulata

Chylismia arenaria

Chylismia atwoodii

Chylismia brevipes

Chylismia cardiophylla

Chylismia claviformis ssp. claviformis

Chylismia eastwoodiae

Chylismia heterochroma

Chylismia multijuga

Chylismia munzii

Chylismia parryi

Chylismia scapoidea

Chylismia walkeri

Chylismiella pterosperma

Cibotium arachnoideum

Cibotium barometz

Cibotium chamissoi

Cibotium regale

Cicer arietinum

Cichorium endivia

Cichorium intybus

Cicuta bolanderi

Cicuta bulbifera

Cicuta douglasii

Cicuta maculata

Cicuta mexicana

Cicuta occidentalis

Cicuta virosa

Ciliaria austromontana

Ciliaria funstonii

Cinclidium arcticum

Cinclidium latifolium

Cinclidium stygium

Cinclidium subrotundum

Cinna arundinacea

Cinna latifolia

Circaea alpina

Circaea alpina ssp. alpina

Circaea alpina ssp. pacifica

Circaea canadensis

Circaea lutetiana

Circaea quadrisulcata

Cirriphyllum cirrosum

Cirriphyllum piliferum

Cirsium acanthodontum

Cirsium acaule

Cirsium altissimum

Cirsium andersonii

Cirsium andrewsii

Cirsium arizonicum

Cirsium arizonicum var. arizonicum

Cirsium arizonicum var. rothrockii

Cirsium arvense

Cirsium barnebyi

Cirsium brevistylum

Cirsium calcareum

Cirsium californicum

Cirsium callilepis

Cirsium campylon

Cirsium canescens

Cirsium canum

Cirsium carolinianum

Cirsium centaureae

Cirsium clavatum var. americanum

Cirsium cymosum

Cirsium discolor

Cirsium douglasii

Cirsium douglasii var. breweri

Cirsium drummondii

Cirsium eatonii

Cirsium eatonii var. clokeyi

Cirsium eatonii var. eriocephalum

Cirsium eatonii var. hesperium

Cirsium eatonii var. murdockii

Cirsium edule

Cirsium engelmannii

Cirsium flodmanii

Cirsium foliosum

Cirsium fontinale

Cirsium grahamii

Cirsium helenioides

Cirsium hesperium

Cirsium hillii

Cirsium hookerianum

Cirsium horridulum

Cirsium inamoenum

Cirsium inamoenum var. inamoenum

Cirsium japonicum

Cirsium kamtschaticum

Cirsium lecontei

Cirsium mexicanum

Cirsium mohavense

Cirsium muticum

Cirsium neomexicanum

Cirsium nuttallii

Cirsium occidentale

Cirsium ochrocentrum

Cirsium ochrocentrum ssp. martinii

Cirsium ownbeyi

Cirsium pallidum

Cirsium palustre

Cirsium parryi

Cirsium perplexans

Cirsium pulcherrimum

Cirsium pulcherrimum var. aridum

Cirsium pulcherrimum var. pulcherrimum

Cirsium pumilum

Cirsium quercetorum

Cirsium remotifolium

Cirsium repandum

Cirsium rhothophilum

Cirsium rydbergii

Cirsium scariosum

Cirsium scariosum var. americanum

Cirsium scariosum var. scariosum

Cirsium scopulorum

Cirsium spinosissimum

Cirsium texanum

Cirsium tracyi

Cirsium turneri

Cirsium undulatum

Cirsium undulatum var. undulatum

Cirsium virginianum

Cirsium vulgare

Cirsium wheeleri

Cissampelos pareira

Cissus rhombifolia

Cissus trifoliata

Cissus verticillata

Cistanthe ambigua

Cistanthe monandra

Cistanthe parryi

Cistanthe rosea

Cistanthe umbellata

Citharexylum berlandieri

Citharexylum brachyanthum

Citharexylum caudatum

Citrullus lanatus

Citrus X aurantium

Cladium californicum

Cladium jamaicense

Cladium mariscoides

Cladopodiella fluitans

Cladothrix lanuginosa

Cladrastis kentukea

Claopodium bolanderi

Claopodium crispifolium

Claopodium pellucinerve

Claopodium whippleanum

Claoxylon sandwicense

Clarkia affinis

Clarkia amoena

Clarkia arcuata

Clarkia biloba

Clarkia bottae

Clarkia concinna

Clarkia cylindrica

Clarkia davyi

Clarkia delicata

Clarkia dudleyana

Clarkia epilobioides

Clarkia franciscana

Clarkia gracilis

Clarkia heterandra

Clarkia lassenensis

Clarkia lingulata

Clarkia modesta

Clarkia nitens

Clarkia prostrata

Clarkia pulchella

Clarkia purpurea

Clarkia purpurea ssp. quadrivulnera

Clarkia purpurea ssp. viminea

Clarkia quadrivulnera

Clarkia rhomboidea

Clarkia rubicunda

Clarkia similis

Clarkia speciosa

Clarkia speciosa ssp. nitens

Clarkia unguiculata

Clarkia viminea

Clarkia williamsonii

Clarkia xantiana

Clasmatodon parvulus

Clausena lansium

Claytonia acutifolia

Claytonia arenicola

Claytonia caroliniana

Claytonia cordifolia

Claytonia exigua

Claytonia gypsophiloides

Claytonia lanceolata

Claytonia megarhiza

Claytonia parviflora

Claytonia perfoliata

Claytonia perfoliata ssp. mexicana

Claytonia perfoliata ssp. perfoliata

Claytonia rosea

Claytonia rubra

Claytonia sarmentosa

Claytonia scammaniana

Claytonia sibirica

Claytonia tuberosa

Claytonia virginica

Cleistesiopsis divaricata

Clematis albicoma

Clematis columbiana var. columbiana

Clematis crispa

Clematis dioica

Clematis drummondii

Clematis fremontii

Clematis hirsutissima var. hirsutissima

Clematis hirsutissima var. scottii

Clematis lasiantha

Clematis ligusticifolia

Clematis occidentalis var. occidentalis

Clematis ochroleuca

Clematis orientalis

Clematis pauciflora

Clematis pitcheri

Clematis pitcheri var. pitcheri

Clematis reticulata

Clematis terniflora

Clematis versicolor

Clematis verticillaris

Clematis viorna

Clematis virginiana

Clementsia rhodantha

Cleome gynandra

Cleome houtteana

Cleome jonesii

Cleome lutea

Cleome multicaulis

Cleome platycarpa

Cleome serrulata

Cleome sparsifolia

Cleomella angustifolia

Cleomella brevipes

Cleomella hillmanii

Cleomella hillmanii var. goodrichii

Cleomella longipes

Cleomella macbrideana

Cleomella obtusifolia

Cleomella palmerana

Cleomella palmeriana

Cleomella parviflora

Cleomella plocasperma

Clermontia clermontioides

Clermontia kakeana

Clermontia parviflora

Clerodendrum chinense

Clerodendrum thomsoniae

Clerodendrum trichotomum

Clethra acuminata

Clethra alnifolia

Cleyera japonica

Clibadium surinamense

Cliftonia monophylla

Climacium americanum

Climacium dendroides

Climacium kindbergii

Clinopodium acinos

Clinopodium ashei

Clinopodium brownei

Clinopodium carolinianum

Clinopodium chandleri

Clinopodium coccineum

Clinopodium dentatum

Clinopodium glabellum

Clinopodium glabrum

Clinopodium gracile

Clinopodium nepeta ssp. glandulosum

Clinopodium vulgare

Clintonia andrewsiana

Clintonia borealis

Clintonia umbellulata

Clintonia uniflora

Clitoria mariana

Cnidium cnidiifolium

Cnidium monnieri

Cnidoscolus angustidens

Cnidoscolus stimulosus

Cnidoscolus texanus

Cnidoscolus urens

Cnidoscolus urens var. stimulosus

Coccoloba venosa

Cocculus carolinus

Cocculus diversifolius

Cochemiea maritima

Cochlearia danica

Cochlearia groenlandica

Cochlearia officinalis

Cochlidium serrulatum

Coeloglossum viride

Coeloglossum viride ssp. bracteatum

Coincya monensis ssp. recurvata

Cojoba arborea

Cojoba graciliflora

Cola acuminata

Coleataenia anceps

Coleataenia anceps ssp. rhizomata

Coleataenia longifolia ssp. elongata

Coleataenia longifolia ssp. longifolia

Coleataenia tenera

Coleogyne ramosissima

Collinsia bartsiifolia

Collinsia childii

Collinsia concolor

Collinsia corymbosa

Collinsia grandiflora

Collinsia greenei

Collinsia heterophylla

Collinsia linearis

Collinsia multicolor

Collinsia parviflora

Collinsia rattanii

Collinsia sparsiflora

Collinsia tinctoria

Collinsia torreyi

Collinsia torreyi var. wrightii

Collinsia verna

Collinsia violacea

Collinsia wrightii

Collinsonia canadensis

Collinsonia verticillata

Collomia debilis

Collomia diversifolia

Collomia grandiflora

Collomia heterophylla

Collomia larsenii

Collomia linearis

Collomia macrocalyx

Collomia mazama

Collomia tenella

Collomia tinctoria

Collomia tracyi

Collomia wilkenii

Colocasia esculenta

Cologania angustifolia

Cologania obovata

Cololejeunea biddlecomiae

Cololejeunea cardiocarpa

Cololejeunea macounii

Cololejeunea minutissima

Cololejeunea setiloba

Colubrina greggii

Colubrina stricta

Colubrina texensis

Colutea arborescens

Comandra californica

Comandra livida

Comandra richardsiana

Comandra umbellata

Comandra umbellata ssp. californica

Comandra umbellata ssp. pallida

Comandra umbellata ssp. umbellata

Comarostaphylis diversifolia

Comarum palustre

Comastoma tenellum

Commelina caroliniana

Commelina coelestis

Commelina communis

Commelina dianthifolia

Commelina diffusa

Commelina diffusa var. diffusa

Commelina erecta

Commelina erecta var. angustifolia

Commelina longicaulis

Commelina virginica

Commicarpus scandens

Comptonia peregrina

Conardia compacta

Condalia correllii

Condalia ericoides

Condalia globosa

Condalia hookeri var. hookeri

Condalia lycioides

Condalia mexicana

Condalia obovata

Condalia spathulata

Conimitella williamsii

Coniogramme pilosa

Conioselinum chinense

Conioselinum mexicanum

Conioselinum scopulorum

Conium maculatum