Species with Images

This page provides a complete list to taxa that have images. Use the controls below to browse and search for images by family, genus, or species.
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Cabomba caroliniana
Cacozelia basiochrealis
Caesalpinia gilliesii
Caesalpinia mexicana
Caesalpinia pulcherrima
Caiman crocodilus
Cairina moschata
Cakile maritima
Calamagrostis canadensis
Calamagrostis purpurascens
Calamagrostis scopulorum
Calamagrostis stricta
Calamospiza melanocorys
Calandrinia ciliata
Calcarius pictus
Calceolaria angustiflora
Calephelis arizonensis
Calephelis nemesis
Calibrachoa parviflora
Calidris acuminata
Calidris minuta
Calidris ptilocnemis
Calidris ruficollis
Calidris subminuta
Calidris temminckii
Calidris tenuirostris
Callaeum macropterum
Calliandra eriophylla
Calliandra humilis
Calliandra humilis var. humilis
Calliandra humilis var. reticulata
Callicarpa americana
Calligrapha serpentina
Callipepla douglasii
Callipepla gambelii
Callirhoe involucrata
Callisaurus draconoides
Callisaurus draconoides ventralis
Callisthenes affinis
Callitriche heterophylla
Callitriche nuttallii
Callitriche palustris
Callitropsis nootkatensis
Calochortus ambiguus
Calochortus amoenus
Calochortus aureus
Calochortus eurycarpus
Calochortus flexuosus
Calochortus gunnisonii
Calochortus gunnisonii var. gunnisonii
Calochortus gunnisonii var. perpulcher
Calochortus kennedyi
Calochortus leichtlinii
Calochortus minimus
Calochortus nuttallii
Calocitta colliei
Calonectris leucomelas
Calopogon tuberosus
Calosoma angulatum
Calosoma peregrinator
Calosoma prominens
Calotropis procera
Caltha leptosepala
Caltha palustris
Calycocarpum lyonii
Calycoseris parryi
Calycoseris wrightii
Calylophus serrulatus
Calypso bulbosa
Calypso bulbosa var. americana
Calyptocarpus vialis
Calyptranthes pallens
Calystegia longipes
Calystegia sepium
Calystegia silvatica
Camassia quamash subsp. quamash
Camassia scilloides
Camelina microcarpa
Camelina sativa
Camissoniopsis hirtella
Camissoniopsis micrantha
Campanula americana
Campanula aparinoides
Campanula parryi
Campanula prenanthoides
Campanula rapunculoides
Campanula rotundifolia
Campanula scabrella
Campephilus guatemalensis
Campephilus haematogaster
Campephilus imperialis
Campephilus melanoleucos
Campephilus principalis
Camponotus acutirostris
Camponotus festinatus
Camponotus fumidus
Camponotus ocreatus
Camponotus papago
Camponotus sansabeanus
Campostoma ornatum
Campsis radicans
Campyloneurum phyllitidis
Campylopterus curvipennis
Campylopterus excellens
Cannabis sativa
Canotia holacantha
Canthon imitator
Canthon melanus
Canthon puncticollis
Canthon simplex
Caphys arizonensis
Capito maculicoronatus
Capnoides sempervirens
Capsella bursa-pastoris
Capsicum annuum
Caracara cheriway
Cardamine angustata
Cardamine bulbosa
Cardamine concatenata
Cardamine cordifolia
Cardamine cordifolia var. cordifolia
Cardamine diphylla
Cardamine douglassii
Cardamine hirsuta
Cardamine pensylvanica
Cardellina pusilla
Cardellina rubrifrons
Cardinalis cardinalis
Cardinalis sinuatus
Cardiospermum corindum
Carduelis carduelis
Carduus nutans
Carex abscondita
Carex aggregata
Carex albicans var. emmonsii
Carex albonigra
Carex albursina
Carex alma
Carex alopecoidea
Carex annectens
Carex aquatilis
Carex aquatilis var. aquatilis
Carex aquatilis var. substricta
Carex arapahoensis
Carex arctata
Carex atherodes
Carex athrostachya
Carex atlantica
Carex atlantica subsp. atlantica
Carex atlantica subsp. capillacea
Carex aurea
Carex austrocaroliniana
Carex austrolucorum
Carex bebbii
Carex bella
Carex bicknellii
Carex bigelowii
Carex blanda
Carex bolanderi
Carex brevior
Carex bromoides
Carex brunnescens
Carex bushii
Carex buxbaumii
Carex canescens
Carex capillaris
Carex cephaloidea
Carex cephalophora
Carex chalciolepis
Carex cherokeensis
Carex chihuahuensis
Carex comosa
Carex conoidea
Carex corrugata
Carex crawei
Carex crawfordii
Carex crinita
Carex cristatella
Carex crus-corvi
Carex cryptolepis
Carex cumulata
Carex curatorum
Carex davisii
Carex debilis var. rudgei
Carex deflexa
Carex deweyana
Carex diandra
Carex disperma
Carex douglasii
Carex duriuscula
Carex ebenea
Carex echinata
Carex echinodes
Carex egglestonii
Carex elynoides
Carex emoryi
Carex festucacea
Carex feta
Carex filifolia
Carex flaccosperma
Carex foenea var. foenea
Carex folliculata
Carex frankii
Carex garberi
Carex geophila
Carex geyeri
Carex glaucescens
Carex gracilior
Carex gracillima
Carex granularis
Carex gravida
Carex grayi
Carex grisea
Carex harfordii
Carex hassei
Carex haydeniana
Carex haydenii
Carex heteroneura
Carex hirsutella
Carex hirtifolia
Carex hitchcockiana
Carex holmgreniorum
Carex hystericina
Carex illota
Carex inops subsp. heliophila
Carex interior
Carex intumescens
Carex jamesii
Carex jonesii
Carex joorii
Carex kelloggii var. kelloggii
Carex lachenalii
Carex lacustris
Carex laevivaginata
Carex lasiocarpa var. americana
Carex lativena
Carex laxiculmis
Carex laxiflora
Carex leavenworthii
Carex lenticularis
Carex leptalea
Carex leptalea subsp. harperi
Carex limosa
Carex loliacea
Carex louisianica
Carex lupuliformis
Carex lupulina
Carex lurida
Carex macloviana
Carex macloviana var. macloviana
Carex magellanica
Carex magellanica subsp. irrigua
Carex mariposana
Carex meadii
Carex media
Carex microdonta
Carex micropoda
Carex microptera
Carex molesta
Carex muehlenbergii
Carex muskingumensis
Carex myosuroides
Carex nardina
Carex nebrascensis
Carex nelsonii
Carex normalis
Carex nova
Carex obtusata
Carex occidentalis
Carex oederi var. oederi
Carex oligosperma
Carex oreocharis
Carex pachystachya
Carex pellita
Carex pelocarpa
Carex pensylvanica
Carex petasata
Carex phaeocephala
Carex plantaginea
Carex praeceptorum
Carex praegracilis
Carex prairea
Carex projecta
Carex radiata
Carex retrorsa
Carex richardsonii
Carex riparia subsp. riparia
Carex rosea
Carex rossii
Carex sartwellii
Carex scoparia
Carex scopulorum
Carex senta
Carex serratodens
Carex shortiana
Carex siccata
Carex simulata
Carex sparganioides
Carex specuicola
Carex spicata
Carex spissa
Carex sprengelii
Carex squarrosa
Carex sterilis
Carex stevenii
Carex stipata
Carex stipata var. stipata
Carex striatula
Carex stricta
Carex styloflexa
Carex suberecta
Carex subfusca
Carex swanii
Carex tahoensis
Carex tenera
Carex tetanica
Carex thurberi
Carex tribuloides
Carex tribuloides var. tribuloides
Carex trichocarpa
Carex trisperma var. trisperma
Carex tuckermanii
Carex turbinata
Carex umbellata
Carex utriculata
Carex vallicola
Carex vesicaria
Carex virescens
Carex vulpinoidea
Carex woodii
Carex wootonii
Cargida pyrrha
Carissa macrocarpa
Carlowrightia arizonica
Carlowrightia linearifolia
Carminatia tenuiflora
Carnegiea gigantea
Carphephorus odoratissimus
Carphochaete bigelovii
Carphophis amoenus
Carpinus caroliniana
Carpinus caroliniana subsp. caroliniana
Carpinus caroliniana subsp. virginiana
Carpobrotus edulis
Carpodacus erythrinus
Carthamus tinctorius
Carya alba
Carya aquatica
Carya cordiformis
Carya glabra
Carya laciniosa
Carya myristiciformis
Carya ovalis
Carya ovata
Carya pallida
Cascabela thevetia
Cassiope mertensiana
Cassytha filiformis
Castanea dentata
Castanea pumila
Castela emoryi
Castilleja angustifolia var. dubia
Castilleja angustifolia var. flavescens
Castilleja applegatei
Castilleja aquariensis
Castilleja austromontana
Castilleja cinerea
Castilleja coccinea
Castilleja exserta
Castilleja exserta subsp. exserta
Castilleja flava
Castilleja haydenii
Castilleja integra
Castilleja integra var. integra
Castilleja kaibabensis
Castilleja lanata
Castilleja lemmonii
Castilleja linariifolia
Castilleja miniata
Castilleja minor
Castilleja minor subsp. minor
Castilleja occidentalis
Castilleja ornata
Castilleja pallida subsp. septentrionalis
Castilleja puberula
Castilleja revealii
Castilleja sessiliflora
Castilleja sulphurea
Castilleja tenuiflora
Castilleja thompsonii
Casuarina cunninghamiana
Catabrosa aquatica
Catalpa bignonioides
Catalpa speciosa
Cathartes aura
Cathartes burrovianus
Catharus aurantiirostris
Catharus bicknelli
Catharus guttatus
Catharus occidentalis
Catherpes mexicanus
Catostomus bernardini
Catostomus insignis
Catostomus plebeius
Caulanthus cooperi
Caulanthus lasiophyllus
Caulophyllum thalictroides
Ceanothus americanus
Ceanothus cordulatus
Ceanothus fendleri
Ceanothus greggii
Ceanothus greggii subsp. franklinii
Ceanothus herbaceus
Ceanothus integerrimus
Ceanothus parvifolius
Ceanothus prostratus
Ceanothus spinosus
Cecropia obtusifolia
Cedrus deodara
Ceiba acuminata
Ceiba speciosa
Celastrus orbiculatus
Celastrus scandens
Celeus castaneus
Celeus loricatus
Celotes nessus
Celtis ehrenbergiana
Celtis laevigata
Celtis laevigata var. reticulata
Celtis occidentalis
Celtis tenuifolia
Cemophora coccinea
Cenchrus americanus
Cenchrus ciliaris
Cenchrus longispinus
Cenchrus palmeri
Cenchrus setaceus
Cenchrus spinifex
Centaurea diffusa
Centaurea melitensis
Centaurea reichenbachii
Centaurea solstitialis
Centaurea stoebe
Centaurea stoebe subsp. micranthos
Centaurium arizonicum
Centaurium namatophilum
Centaurium pulchellum
Centella asiatica
Centrocercus urophasianus
Centromadia parryi
Centrosema virginianum
Centrostegia thurberi
Cephalanthus occidentalis
Cepphus columba
Cepphus grylle
Cerapachys augustae
Cerastium arvense
Cerastium axillare
Cerastium beeringianum
Cerastium brachypodum
Cerastium fontanum
Cerastium glomeratum
Cerastium holosteoides
Cerastium nutans
Cerastium pumilum
Cerastium texanum
Ceratiola ericoides
Ceratocephala orthoceras
Ceratocephala testiculata
Ceratonia siliqua
Ceratophyllum demersum
Ceratophyllum echinatum
Cercidium floridum subsp. floridum
Cercidium microphyllum
Cercis canadensis
Cercocarpus intricatus
Cercocarpus ledifolius
Cercocarpus ledifolius var. intercedens
Cercocarpus montanus
Cercocarpus montanus var. montanus
Cercocarpus montanus var. paucidentatus
Cereus viridiflorus
Ceropegia gigantea
Certhia americana
Ceuthophilus pima
Cevallia sinuata
Chaenactis carphoclinia
Chaenactis douglasii
Chaenactis macrantha
Chaenactis stevioides
Chaenomeles japonica
Chaenorhinum minus
Chaerophyllum procumbens var. procumbens
Chaetodipus hispidus
Chaetodipus intermedius
Chaetodipus penicillatus
Chaetodipus spinatus
Chaetopappa ericoides
Chaetura brachyura
Chaetura cinereiventris
Chalcoela iphitalis
Chamaebatiaria millefolium
Chamaecrista nictitans
Chamaecrista nictitans subsp. nictitans
Chamaecrista serpens
Chamaedaphne calyculata
Chamaenerion angustifolium
Chamaepetes unicolor
Chamaesaracha coronopus
Chamaesaracha sordida
Chamerion angustifolium subsp. circumvagum
Charadrius collaris
Charadrius dubius
Charadrius hiaticula
Charadrius leschenaultii
Charadrius mongolus
Charadrius morinellus
Charina bottae
Chasiempis sandwichensis
Chasmanthium latifolium
Chasmanthium laxum
Chelidonium majus
Chelone glabra
Chelydra serpentina
Chen canagica
Chenopodiastrum murale
Chenopodiastrum simplex
Chenopodiastrum standleyanum
Chenopodium acuminatum
Chenopodium album
Chenopodium atrovirens
Chenopodium berlandieri
Chenopodium cycloides
Chenopodium foliosum
Chenopodium fremontii
Chenopodium hians
Chenopodium incanum
Chenopodium leptophyllum
Chenopodium neomexicanum
Chenopodium pratericola
Chenopodium salinum
Chenopodium watsonii
Cherleria obtusiloba
Chilomeniscus stramineus
Chilopsis linearis
Chimaphila maculata
Chimaphila menziesii
Chimaphila umbellata
Chionactis occipitalis
Chionanthus virginicus
Chionophila jamesii
Chlaenius leucoscelis monachus
Chlidonias leucopterus
Chloracantha spinosa
Chloridops kona
Chloris cucullata
Chloris verticillata
Chloris virgata
Chlorocoris hebetatus
Chlorostilbon assimilis
Chlorostilbon auriceps
Chlorostilbon canivetii
Chlorostilbon forficatus
Chlorostilbon maugaeus
Chlorostilbon swainsonii
Chlosyne lacinia
Chlosyne rosita
Choisya dumosa
Choisya dumosa var. mollis
Chondrilla juncea
Chondrohierax uncinatus
Chordeiles acutipennis
Chorispora tenella
Chorizanthe brevicornu
Chorizanthe rigida
Christella ovata
Chromolaena bigelovii
Chrysactinia mexicana
Chrysemys picta
Chrysina beyeri
Chrysina gloriosa
Chrysina lecontei
Chrysolampis mosquitus
Chrysosplenium americanum
Chrysosplenium tetrandrum
Chrysothamnus depressus
Chrysothamnus greenei
Chrysothamnus molestus
Chrysothamnus scopulorum
Chrysothamnus viscidiflorus
Chylismia brevipes subsp. brevipes
Chylismia claviformis
Chylismia claviformis subsp. claviformis
Chylismia claviformis subsp. funerea
Chylismia multijuga
Chylismia parryi
Cichorium intybus
Cicindela ocellata ocellata
Cicindela sedecimpunctata
Cicindela sedecimpunctata sedecimpunctata
Cicuta maculata
Cimbocera conspersa
Cinna arundinacea
Circaea alpina
Circaea canadensis
Circus buffoni
Ciridops anna
Cirsium altissimum
Cirsium andersonii
Cirsium arizonicum
Cirsium arizonicum var. arizonicum
Cirsium arizonicum var. bipinnatum
Cirsium arizonicum var. rothrockii
Cirsium carolinianum
Cirsium clavatum var. americanum
Cirsium discolor
Cirsium douglasii var. breweri
Cirsium eatonii var. eriocephalum
Cirsium grahamii
Cirsium horridulum
Cirsium muticum
Cirsium neomexicanum
Cirsium ochrocentrum
Cirsium ochrocentrum subsp. ochrocentrum
Cirsium ochrocentrum var. martinii
Cirsium parryi
Cirsium pitcheri
Cirsium pumilum var. hillii
Cirsium rydbergii
Cirsium scariosum
Cirsium scariosum var. coloradense
Cirsium tracyi
Cirsium undulatum
Cirsium vinaceum
Cirsium vulgare
Cirsium wheeleri
Cirsium wrightii
Cis tetracentrum
Cissampelos pareira
Cissus trifoliata
Cistanthe ambigua
Cistanthe monandra
Citheronia splendens
Citrullus lanatus
Citrus aurantium
Citrus japonica
Citrus limon
Cladium mariscoides
Cladium mariscus subsp. californicum
Cladrastis kentukea
Clarkia purpurea subsp. quadrivulnera
Claytonia cordifolia
Claytonia lanceolata
Claytonia megarhiza
Claytonia nevadensis
Claytonia parviflora
Claytonia perfoliata
Claytonia perfoliata subsp. perfoliata
Claytonia rosea
Claytonia sibirica
Claytonia virginica
Claytosmunda claytoniana subsp. claytoniana
Clematis bigelovii
Clematis columbiana
Clematis columbiana var. columbiana
Clematis crispa
Clematis drummondii
Clematis hirsutissima var. hirsutissima
Clematis ligusticifolia
Clematis pitcheri
Clematis terniflora
Clematis virginiana
Clemmys guttata
Cleome lutea var. jonesii
Cleomella jonesii
Cleomella lutea
Cleomella palmeriana
Cleomella refracta
Cleomella serrulata
Clinopodium vulgare
Clintonia umbellulata
Clintonia uniflora
Clitoria mariana
Clonophis kirtlandii
Cnidoscolus angustidens
Cnidoscolus urens var. stimulosus
Coccoloba uvifera
Coccothraustes coccothraustes
Cocculus carolinus
Cocculus diversifolius
Cocculus laurifolius
Coccyzus americanus
Coccyzus melacoryphus
Cochlearius cochlearius
Cochlospermum gonzalezii
Cochlospermum palmatifidum
Cocos nucifera
Codatractus arizonensis
Coenopoeus palmeri
Cogia hippalus
Colaptes auratus
Colaptes auratus cafer
Colaptes chrysoides
Colaptes fernandinae
Colaptes punctigula
Coleataenia anceps
Coleataenia longifolia
Coleonyx brevis
Coleonyx reticulatus
Coleonyx switaki
Coleonyx variegatus
Coleonyx variegatus bogerti
Coleonyx variegatus variegatus
Colias eurytheme
Colibri thalassinus
Colinus cristatus
Colinus nigrogularis
Collinsia childii
Collinsia greenei
Collinsia parviflora
Collinsia tinctoria
Collinsia torreyi var. brevicarinata
Collinsia torreyi var. wrightii
Collinsia verna
Collinsonia canadensis
Collomia diversifolia
Collomia grandiflora
Collomia linearis
Collomiastrum debile
Colocasia esculenta
Coloeus monedula
Cologania angustifolia
Coluber bilineatus
Coluber constrictor
Coluber flagellum
Coluber taeniatus
Colubrina californica
Columbina inca
Columbina talpacoti
Comandra umbellata
Comandra umbellata subsp. pallida
Comarum palustre
Commelina coelestis
Commelina communis
Commelina dianthifolia
Commelina diffusa
Commelina erecta
Commelina erecta var. angustifolia
Commicarpus scandens
Comptonia peregrina
Condalia ericoides
Condalia globosa
Condalia warnockii
Condea emoryi
Condylura cristata
Conepatus leuconotus
Coniophanes imperialis
Conioselinum scopulorum
Conium maculatum
Conocarpus erectus
Conocephalus strictus
Conoclinium coelestinum
Conoclinium dissectum
Conopholis alpina
Conopholis americana
Conopholis mexicana
Conotrachelus duplex
Conotrachelus integer
Conotrachelus seniculus
Conozoa carinata
Consolida ajacis
Contia tenuis
Contopus caribaeus
Contopus hispaniolensis
Contopus latirostris
Convallaria majalis
Convolvulus arvensis
Convolvulus equitans
Copaeodes aurantiaca
Cophosaurus texanus
Copris arizonensis
Copris lecontei
Copris lugubris
Copsychus malabaricus
Coptodera eluta
Coragyps atratus
Corallorhiza maculata
Corallorhiza maculata var. maculata
Corallorhiza maculata var. occidentalis
Corallorhiza striata
Corallorhiza striata var. vreelandii
Corallorhiza trifida
Corallorhiza wisteriana
Corchorus hirtus
Cordia boissieri
Cordia parvifolia
Cordylanthus laxiflorus
Cordylanthus parviflorus
Cordylanthus rigidus
Cordylanthus rigidus subsp. rigidus
Cordylanthus wrightii
Cordylanthus wrightii subsp. wrightii
Cordyline fruticosa
Coreocarpus arizonicus
Coreopsis grandiflora var. grandiflora
Coreopsis lanceolata
Coreopsis major
Coreopsis tinctoria
Coreopsis verticillata
Corispermum americanum
Cornus alternifolia
Cornus amomum subsp. obliqua
Cornus canadensis
Cornus drummondii
Cornus florida
Cornus foemina
Cornus racemosa
Cornus sericea
Cornus sericea subsp. sericea
Cornus suecica
Cortaderia selloana
Corvus caurinus
Corvus corax
Corvus cryptoleucus
Corvus hawaiiensis
Corvus leucognaphalus
Corvus sinaloae
Corydalis aurea
Corydalis caseana subsp. brachycarpa
Corydalis curvisiliqua subsp. occidentalis
Corydalis pauciflora
Corylus americana
Coryphantha recurvata
Coryphantha robustispina subsp. robustispina
Coryphantha robustispina subsp. scheeri
Cosmos parviflorus
Cosmos sulphureus
Cotinus coggygria
Cottea pappophoroides
Cottsia gracilis
Coturnix japonica
Coursetia caribaea
Coursetia glandulosa
Crassula aquatica
Crassula connata
Crataegus crus-galli
Crataegus marshallii
Crataegus mollis
Crataegus rivularis
Crataegus wootoniana
Craugastor augusti
Crax rubra
Creagrus furcatus
Crematogaster dentinodis
Crematogaster depilis
Crematogaster vermiculata
Creophilus maxillosus
Crepis capillaris
Crepis occidentalis
Crepusia fuliginosa
Crescentia alata
Cressa truxillensis
Crex crex
Crithagra mozambica
Crocanthemum glomeratum
Crocidium multicaule
Crocodylus acutus
Crossosoma bigelovii
Crotalaria pumila
Crotalaria rotundifolia
Crotalaria sagittalis
Crotalaria spectabilis
Crotalus adamanteus
Crotalus atrox
Crotalus cerastes
Crotalus cerberus
Crotalus horridus
Crotalus lepidus
Crotalus lepidus klauberi
Crotalus lepidus lepidus
Crotalus mitchellii
Crotalus mitchellii pyrrhus
Crotalus molossus
Crotalus molossus molossus
Crotalus oreganus
Crotalus oreganus abyssus
Crotalus oreganus lutosus
Crotalus oreganus oreganus
Crotalus pricei
Crotalus ruber
Crotalus scutulatus
Crotalus tigris
Crotalus viridis
Crotalus willardi
Crotalus willardi obscurus
Crotalus willardi willardi
Crotaphytus bicinctores
Crotaphytus collaris
Crotaphytus nebrius
Crotaphytus reticulatus
Croton ciliatoglandulifer
Croton dioicus
Croton fruticulosus
Croton monanthogynus
Croton pottsii
Croton sonorae
Croton texensis
Croton wigginsii
Crotophaga major
Crusea diversifolia
Cryptantha angustifolia
Cryptantha barbigera
Cryptantha crassisepala
Cryptantha crassisepala var. elachantha
Cryptantha decipiens
Cryptantha fendleri
Cryptantha gracilis
Cryptantha maritima
Cryptantha minima
Cryptantha nevadensis
Cryptantha pterocarya
Cryptantha pterocarya var. cycloptera
Cryptantha pterocarya var. pterocarya
Cryptobranchus alleganiensis
Cryptogramma acrostichoides
Cryptophobetron oropeso
Cryptostegia grandiflora
Cryptotaenia canadensis
Crypturellus boucardi
Crypturellus cinnamomeus
Crypturellus soui
Ctenosaura macrolopha
Ctenosaura pectinata
Ctenucha venosa
Cubelium concolor
Cucullia lilacina
Cucumis melo
Cucurbita digitata
Cucurbita foetidissima
Cucurbita pepo
Cunila origanoides
Cuphea hyssopifolia
Cuphea wrightii
Cupressus arizonica
Curculio monticola
Curculio wenzeli
Cuscuta coryli
Cuscuta gronovii
Cuscuta indecora
Cuscuta leptantha
Cuscuta pentagona
Cuscuta salina
Cuscuta umbellata
Cyanocitta stelleri
Cyanocorax beecheii
Cyanolimnas cerverai
Cyanolyca mirabilis
Cyanophaia bicolor
Cycas revoluta
Cycladenia humilis var. humilis
Cycladenia humilis var. jonesii
Cyclanthera dissecta
Cycloloma atriplicifolium
Cycloptilum comprehendens
Cyclospermum leptophyllum
Cygnus buccinator
Cygnus cygnus
Cygnus olor
Cylindropuntia acanthocarpa
Cylindropuntia arbuscula
Cylindropuntia bigelovii
Cylindropuntia echinocarpa
Cylindropuntia fulgida
Cylindropuntia fulgida var. fulgida
Cylindropuntia fulgida var. mamillata
Cylindropuntia imbricata
Cylindropuntia kleiniae
Cylindropuntia leptocaulis
Cylindropuntia neoarbuscula
Cylindropuntia ramosissima
Cylindropuntia spinosior
Cylindropuntia versicolor
Cylindropuntia viridiflora
Cylindropuntia whipplei
Cymbalaria muralis
Cymopterus davidsonii
Cymopterus globosus
Cymopterus glomeratus
Cymopterus lemmonii
Cymopterus longiradiatus
Cymopterus megacephalus
Cymopterus newberryi
Cymopterus ripleyi
Cynanchum laeve
Cynanchum ligulatum
Cynanthus latirostris
Cynanthus sordidus
Cynodon dactylon
Cynoglossum officinale
Cynomys gunnisoni
Cynomys leucurus
Cynomys ludovicianus
Cynomys parvidens
Cynosurus echinatus
Cyperus acuminatus
Cyperus aggregatus
Cyperus alternifolius subsp. flabelliformis
Cyperus amabilis
Cyperus bipartitus
Cyperus blepharoleptos
Cyperus dentatus
Cyperus diandrus
Cyperus difformis
Cyperus dipsaceus
Cyperus echinatus
Cyperus elegans
Cyperus eragrostis
Cyperus erythrorhizos
Cyperus esculentus
Cyperus fendlerianus
Cyperus flavescens
Cyperus hermaphroditus
Cyperus hortensis
Cyperus hypopitys
Cyperus laevigatus
Cyperus lupulinus subsp. lupulinus
Cyperus manimae
Cyperus manimae var. asperrimus
Cyperus meyenianus
Cyperus mutisii
Cyperus niger
Cyperus odoratus
Cyperus odoratus subsp. odoratus
Cyperus ovatus
Cyperus oxylepis
Cyperus pallidicolor
Cyperus parishii
Cyperus polystachyos
Cyperus pseudovegetus
Cyperus retroflexus
Cyperus retrorsus
Cyperus rotundus
Cyperus schweinitzii
Cyperus seslerioides
Cyperus sphaerolepis
Cyperus squarrosus
Cyperus strigosus
Cyperus subsquarrosus
Cyphomeris gypsophiloides
Cypripedium acaule
Cypripedium arietinum
Cypripedium candidum
Cypripedium parviflorum
Cypripedium parviflorum var. makasin
Cypripedium parviflorum var. pubescens
Cypripedium reginae
Cyrtonyx montezumae
Cyrtopodion scabrum
Cystopteris bulbifera
Cystopteris fragilis
Cystopteris protrusa
Cystopteris reevesiana
Cystopteris tenuis
Cystopteris utahensis