(photographer: Denise Knapp)

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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Select a species to access available images.
Caberea boryi
Cacopsylla brevistigmata
Cacopsylla curta
Cadlina flavomaculata
Cadlina limbaughorum
Cadlina luteomarginata
Caecum californicum
Caecum crebricinctum
Caenurgia togataria
Caesalpinia spinosa
Cafius canescens
Cafius seminitens
Cakile constricta
Cakile edentula
Cakile edentula subsp. edentula
Cakile edentula var. edentula
Cakile lanceolata
Cakile maritima
Cakile maritima subsp. maritima
Calamagrostis rubescens
Calamintha palmeri
Calandrinia breweri
Calandrinia ciliata
Calandrinia ciliata var. menziesii
Calandrinia maritima
Calandrinia menziesii
Calephelis wrighti
Calibrachoa parviflora
California macrophylla
Calinda collaris
Calliarthron tuberculosum
Callibaetis pictus
Calliostoma annulatum
Calliostoma gloriosum
Calliostoma supragranosum
Callitriche marginata
Callitriche stagnalis
Callophrys affinis
Callophrys dumetorum
Callophyllis flabellulata
Callophyllis violacea
Calochortus albus
Calochortus albus var. rubellus
Calochortus catalinae
Calochortus luteus
Calochortus splendens
Calochortus venustus
Calophya californica
Calophya schini
Caloplaca bolacina
Caloplaca brattiae
Caloplaca californica
Caloplaca catalinae
Caloplaca cinnabarina
Caloplaca citrina
Caloplaca coralloides
Caloplaca ferruginea
Caloplaca holocarpa
Caloplaca litoricola
Caloplaca ludificans
Caloplaca luteominia
Caloplaca microphyllina
Caloplaca modesta
Caloplaca oregona
Caloplaca rosei
Caloplaca saxicola
Caloplaca squamosa
Caloplaca stanfordensis
Caloplaca stipitata
Caloptilia ovatiella
Calycomyza lantanae
Calyptocarpus vialis
Calystegia macrostegia
Calystegia macrostegia subsp. amplissima
Calystegia macrostegia subsp. cyclostegia
Calystegia macrostegia subsp. intermedia
Calystegia macrostegia subsp. macrostegia
Calystegia soldanella
Camissonia andina
Camissonia californica
Camissonia cardiophylla subsp. cardiophylla
Camissonia cheiranthifolia
Camissonia cheiranthifolia subsp. cheiranthifolia
Camissonia cheiranthifolia subsp. suffruticosa
Camissonia crassifolia
Camissonia micrantha
Camissonia robusta
Camissonia strigulosa
Camissoniopsis cheiranthifolia
Camissoniopsis cheiranthifolia subsp. cheiranthifolia
Camissoniopsis cheiranthifolia subsp. suffruticosa
Camissoniopsis guadalupensis
Camissoniopsis guadalupensis subsp. clementina
Camissoniopsis hirtella
Camissoniopsis intermedia
Camissoniopsis lewisii
Camissoniopsis micrantha
Camissoniopsis robusta
Camnula pellucida
Camponotus bakeri
Camponotus clarithorax
Camponotus dumetorum
Camponotus hyatti
Camponotus semitestaceus
Camponotus vicinus
Camponotus yogi
Cancer jordani
Candelaria concolor
Candelaria concolor var. effusa
Candelariella citrina
Candelariella rosulans
Candelariella vitellina
Cannabis sativa
Capsella bursa-pastoris
Capsella rubella
Capsula oblonga
Cardamine californica
Cardamine californica var. californica
Cardamine californica var. integrifolia
Cardamine oligosperma
Cardamine pensylvanica
Cardaria draba
Cardionema ramosissimum
Carduus pycnocephalus
Carex barbarae
Carex globosa
Carex longii
Carex pansa
Carex praegracilis
Carex senta
Carex spissa
Carex subbracteata
Carex subfusca
Carex triquetra
Carex tumulicola
Carinaria japonica
Carphephorus odoratissimus
Carphoborus declivis
Carpobrotus aequilaterus
Carpobrotus chilensis
Carpobrotus edulis
Carpopeltis bushiae
Castilleja affinis
Castilleja affinis subsp. affinis
Castilleja affinis subsp. insularis
Castilleja attenuata
Castilleja densiflora
Castilleja densiflora subsp. densiflora
Castilleja densiflora subsp. gracilis
Castilleja exserta
Castilleja exserta subsp. exserta
Castilleja foliolosa
Castilleja fruticosa
Castilleja grisea
Castilleja guadalupensis
Castilleja hololeuca
Castilleja lanata subsp. hololeuca
Castilleja miniata
Castilleja mollis
Castilleja subinclusa
Castilleja wightii
Catabena lineolata
Catabena sagittata
Catalinia minima
Catalinia thompsoni
Catapodium rigidum
Catocala cleopatra
Catocala ilia
Catocala verrilliana
Catriona rickettsi
Caucalis microcarpa
Caulanthus heterophyllus
Caulanthus heterophyllus var. heterophyllus
Caulanthus inflatus
Caulanthus lasiophyllus
Ceanothus arboreus
Ceanothus arboreus var. glabra
Ceanothus crassifolius
Ceanothus cuneatus
Ceanothus greggii var. perplexans
Ceanothus insularis
Ceanothus megacarpus
Ceanothus megacarpus subsp. insularis
Ceanothus megacarpus subsp. megacarpus
Ceanothus megacarpus var. insularis
Ceanothus megacarpus var. megacarpus
Ceanothus verrucosus
Celastrina echo
Cenchrus clandestinus
Cenchrus echinatus
Cenchrus setaceus
Cenchrus spinifex
Centaurea benedicta
Centaurea cineraria
Centaurea melitensis
Centaurea solstitialis
Centaurium davyi
Centaurium venustum
Centella asiatica
Centranthus ruber
Centroceras clavulatum
Centrodera spurca
Centromadia fitchii
Centrosema virginianum
Centrostephanus coronatus
Centruroides exilicauda
Centunculus minimus
Ceramium codicola
Ceramium pacificum
Cerastium arvense
Cerastium glomeratum
Ceratina acantha
Ceratina arizonensis
Ceratina nanula
Ceratina neomexicana
Ceratiola ericoides
Ceratostoma foliatum
Ceratostoma nuttalli
Cercocarpus alnifolius
Cercocarpus betulifolius var. blancheae
Cercocarpus betuloides
Cercocarpus betuloides subsp. blancheae
Cercocarpus betuloides var. betuloides
Cercocarpus betuloides var. blancheae
Cercocarpus betuloides var. multiflorus
Cercocarpus montanus var. blancheae
Cercocarpus montanus var. glaber
Cercocarpus traskiae
Cercyonis sthenele
Cercyonis sthenele sthenele
Cerithiopsis carpenteri
Cetrelia cetrarioides
Chaceia ovoidea
Chaenactis glabriuscula
Chaenactis glabriuscula var. lanosa
Chaetomorpha aerea
Chaetomorpha linum
Chaetomorpha spiralis
Chaitophorus populialbae
Chalcoela iphitalis
Chama arcana
Chamaesyce abramsiana
Chamaesyce ammannioides
Chamaesyce bartolomaei
Chamaesyce bombensis
Chamaesyce hirta
Chamaesyce hyssopifolia
Chamaesyce ophthalmica
Chamaesyce polycarpa var. hirtella
Charidotella sexpunctata
Charidotella sexpunctata bicolor
Cheilanthes californica
Cheilanthes clevelandii
Cheilanthes newberryi
Chenopodiastrum murale
Chenopodium album
Chenopodium ambrosioides
Chenopodium ambrosioides var. ambrosioides
Chenopodium berlandieri
Chenopodium berlandieri var. sinuatum
Chenopodium californicum
Chenopodium macrospermum
Chenopodium murale
Chione californiensis
Chionodes figurella
Chionodes trichostola
Chloeia flava
Chloeia pinnata
Chloris virgata
Chlorochlamys appellaria
Chlorochlamys chloroleucaria
Chlorogalum pomeridianum
Chlorogalum pomeridianum var. pomeridianum
Chlosyne gabbii
Chlosyne gabbii atrifasciata
Chondria californica
Choristostigma elegantalis
Chorizanthe insularis
Chorizanthe staticoides
Chorizanthe wheeleri
Chrysanthemum coronarium
Chrysaora fuscescens
Chrysoma pauciflosculosa
Chrysopophthorus americanus
Chrysopsis gossypina subsp. cruiseana
Cichorium intybus
Cicindela haemorrhagica
Cicindela haemorrhagica haemorrhagica
Cicindela hemorrhagica hemorrhagica
Cicindela latesignata
Cicindela oregona
Cicindela trifasciata sigmoidea
Cinnamomum camphora
Cirsium brevistylum
Cirsium horridulum
Cirsium hydrophilum var. hydrophilum
Cirsium occidentale
Cirsium occidentale var. californicum
Cirsium occidentale var. compactum
Cirsium occidentale var. coulteri
Cirsium occidentale var. occidentale
Cirsium vulgare
Cissusa indiscreta
Cistanthe guadalupensis
Cistanthe maritima
Cisthene deserta
Cisthene faustinula
Cisthene liberomacula
Cistus incanus
Cladium jamaicense
Cladonia asahinae
Cladonia cervicornis
Cladonia chlorophaea
Cladonia fimbriata
Cladonia furcata
Cladonia humilis
Cladonia leporina
Cladonia macilenta
Cladonia ochrochlora
Cladonia pachycladodes
Cladonia polydactyla
Cladonia prostrata
Cladonia pyxidata
Cladonia rappii
Cladonia scabriuscula
Cladonia squamosa
Cladonia subulata
Cladophora albida
Cladophora columbiana
Cladophora graminea
Cladophora microcladioides
Clarkia davyi
Clarkia epilobioides
Clarkia purpurea
Clarkia purpurea subsp. quadrivulnera
Clarkia quadrivulnera
Clarkia unguiculata
Claytonia parviflora
Claytonia parviflora subsp. parviflora
Claytonia perfoliata
Claytonia perfoliata subsp. mexicana
Claytonia perfoliata subsp. perfoliata
Claytonia perfoliata var. perfoliata
Clematis lasiantha
Clematis ligusticifolia
Clematis pauciflora
Cleome isomeris
Cleonymus agrili
Cliftonia monophylla
Clinopodium chandleri
Clinopodium douglasii
Clinopodium palmeri
Clintonia uniflora
Cliostomum griffithii
Clostera apicalis
Closterocoris amoenus
Closterotomus norwegicus
Clythrocerus decorus
Clythrocerus planus
Cnemotettix pulvillifer
Cnidoscolus stimulosus
Cobalos angelicus
Coccinella californica
Coccinella septempunctata
Cocculus carolinus
Cochemiea pondii
Cochisea sinuaria
Codium cuneatum
Codium fragile
Codium hubbsii
Codium johnstonei
Codium setchellii
Codium simulans
Coelioxys edita
Coelioxys octodentata
Coenocyathus bowersi
Coenonycha clementina
Coenonycha fulva
Coenonycha santacruzae
Coenonympha tullia
Coilodesme californica
Colaspidea smaragdula
Coleataenia longifolia
Coleophora nigrostriata
Colias eurytheme
Colias harfordii
Collema coccophorum
Collema crispum
Collema furfuraceum
Collema polycarpon
Collema tenax
Colletes hyalinus
Colletes slevini
Collinsia heterophylla
Collinsia heterophylla var. heterophylla
Collomia gilioides
Colpomenia peregrina
Colpomenia sinuosa
Comarostaphylis diversifolia
Comarostaphylis diversifolia subsp. diversifolia
Comarostaphylis diversifolia subsp. planifolia
Comarostaphylis diversifolia var. planifolia
Compsocryptus calipterus
Compsocryptus purpuripennis
Compsocryptus resolutus
Condica albolabes
Conium maculatum
Conozoa nicola
Conradina canescens
Constancea nevinii
Conus virgatus
Convolvulus arvensis
Convolvulus macrostegius
Convolvulus occidentalis
Convolvulus simulans
Conyza bonariensis
Conyza canadensis
Conyza canadensis var. pusilla
Conyza coulteri
Conyza floribunda
Conyza parva
Copaeodes aurantiaca
Copestylum avidum
Copestylum marginatum
Copestylum mexicanum
Copestylum satur
Copestylum violaceum
Corallina gracilis
Corallina officinalis
Corallina officinalis var. chilensis
Corallina vancouveriensis
Corbicula fluminea
Coreocarpus involutus
Coreopsis gigantea
Coreopsis pubescens
Corethrogyne filaginifolia
Corethrogyne filaginifolia var. latifolia
Corethrogyne filaginifolia var. robusta
Corethrogyne filaginifolia var. virgata
Coriandrum sativum
Corisella inscripta
Cornus glabrata
Cornus stolonifera
Corolla spectabilis
Coronopus didymus
Cortaderia selloana
Corydalis micrantha
Corynactis californica
Cosmia calami
Cotoneaster pannosus
Cotula australis
Cotula coronopifolia
Crabro villosus
Crago nigricauda
Crambus sperryellus
Crangon alaskensis elongata
Crangon alba
Crangon holmesi
Crangon nigricauda
Crangon resima
Crangon variabilis
Crassadoma gigantea
Crassula aquatica
Crassula connata
Crassula connata var. erectoides
Crassula connata var. eremica
Crassula erecta
Crassula solieri
Crassula tillaea
Crataegus lacrimata
Crematogaster coarctata
Crematogaster emeryana
Crematogaster hespera
Crepidula onyx
Crepidula perforans
Crepipatella lingulata
Cressa truxillensis
Cressa truxillensis var. vallicola
Crimora coneja
Crocanthemum arenicola
Crossosoma californica
Crossosoma californicum
Crossostephium insulare
Croton glandulosus
Croton punctatus
Croton setiger
Croton setigerus
Crypsis aculeata
Crypsis schoenoides
Crypsis vaginiflora
Cryptantha barbigera
Cryptantha cinerea var. abortiva
Cryptantha clevelandii
Cryptantha clevelandii var. clevelandii
Cryptantha clevelandii var. florosa
Cryptantha foliosa
Cryptantha hispidissima
Cryptantha intermedia
Cryptantha intermedia var. intermedia
Cryptantha leiocarpa
Cryptantha maritima
Cryptantha maritima var. maritima
Cryptantha maritima var. pilosa
Cryptantha micromeres
Cryptantha microstachys
Cryptantha muricata
Cryptantha muricata var. jonesii
Cryptantha patula
Cryptantha traskiae
Cryptonemia angustata
Cryptonemia obovata
Cryptopleura crispa
Cryptopleura ramosa
Cryptopleura ruprechtiana
Cryptopleura violacea
Ctenolepisma lineata
Ctenucha brunnea
Cucullia eccissica
Cucumaria miniata
Cucumaria piperata
Cucumaria salma
Cucurbita foetidissima
Culiseta incidens
Cumagloia andersonii
Cumingia californica
Cupido amyntula
Cupido amyntula amyntula
Cupressus guadalupensis
Cupressus macrocarpa
Cuscuta californica
Cuscuta ceanothi
Cuscuta compacta
Cuscuta indecora
Cuscuta occidentalis
Cuscuta pentagona
Cuscuta salina
Cuscuta salina var. salina
Cuterebra approximata
Cuthona hamanni
Cutleria cylindrica
Cyanoplax hartwegii
Cyclodorippe plana
Cycloneda polita
Cycloneda sanguinea
Cyclophora dataria
Cyclophora nanaria
Cyclosa turbinata
Cycloxanthops novemdentatus
Cydia latiferreana
Cylindrocarpus rugosus
Cylindropuntia alcahes var. alcahes
Cylindropuntia cholla
Cylindropuntia prolifera
Cymbalaria muralis
Cynara cardunculus
Cynara cardunculus subsp. cardunculus
Cynara cardunculus subsp. flavescens
Cynodon dactylon
Cyperus aggregatus
Cyperus compressus
Cyperus eragrostis
Cyperus esculentus
Cyperus esculentus var. leptostachyus
Cyperus involucratus
Cyperus lecontei
Cyperus ochraceus
Cyperus odoratus
Cyperus polystachyos
Cyperus rotundus
Cyperus strigosus
Cyperus surinamensis
Cyrilla racemiflora
Cyrtomium falcatum
Cystopteris fragilis
Cystoseira neglecta
Cystoseira osmundacea
Cystoseira setchellii
Cytisus linifolius
Cytisus monspessulanus
Cytospora chrysosperma