Common Name

Scientific Name

Common Name

Scientific Name

Cabbage

Brassica oleracea

Cedar, Alaska

Chamaecyparis nootkatensis

Cabbage palmetto

Sabal palmetto

Cedar, atlas

Cedrus atlantica

Cactus, saguaro

Carnegiea gigantea

Cedar, deodar

Cedrus deodara

California hazel

Corylus cornuta

Cedar, ground

Lycopodium complanatum

California nutmeg

Torreya californica

Cedar, incense

Libocedrus decurrens

California pitcher plant

Darlingtonia californica

Cedar, northern white

Thuja occidentals

California poppy

Eschscholzia californica

Cedar, Port-Orford

Chamaecyparis lawsoniana

Calliopsis

Coreopsis tinctoria

Cedar, western red

Thuja plicata

Camas

Camassia quamash

Cedar elm

Ulmus crassifolia

Camellia

Camellia japonica

Celeriac

Apium graveolens

Camphor tree

Cinnamomum camphora

Celery

Apium graveolens

Canada thistle

Cirsium arvense

Cellular slime mold

Dictyostelium discoideum

Candle snuffer mosses

Encalypta spp.

Century plant

Agave americana

Candlenut tree

Aleurites moluccana

Chain tree, golden

Laburnum anagyroides

Canna lily

Canna indica

Chamomile

Anthemis nobilis

Cannonball tree

Couroupita guianensis

Chanterelle

Cantharellus cibarius

Canteloupe

Cucumis melo

Chard

Beta vulgaris

Canterbury bell

Campanula medium

Chaste tree

Vitex agnus-castus

Cape primrose

Streptocarpus spp.

Cheese mold

Penicillium roqueforti

Caper

Capparis spinosa

Chenille plant

Acalpha hispida

Carambola

Averrhoa carambola

Cherimoya

Annona cherimola

Caraway

Carum carvi

Cherokee rose

Rosa sinica

Carbon antlers

Xylaria hypoxylon

Cherry, black

Prunus serotina

Carbon balls

Daldina concentrica

Cherry, common choke

Prunus virginiana

Cardamom

Elettaria cardamomum

Cherry, sweet

Prunus avium

Cardinal flower

Lobelia cardinalis

Chervil

Anthricus cerefolium

Carnation

Dianthus caryophyllus

Chestnut, American

Castanea dentata

Carob

Ceratonia siliqua

Chestnut, horse

Aesculus hippocastanum

Carolina buckthorn

Rhamnus caroliniana

Chestnut, water

Eleocharis dulcis

Carpetweed

Mollugo verticillata

Chickasaw plum

Prunus angustifolia

Carrion flower

Stapelia variegata

Chicken mushroom

Laetiporus sulphureus

Carrot

Daucus carota

Chickory

Cichorium intybus

Cascara buckthorn

Rhamnus purshiana

Chickpea

Cicer arietinum

Cashew

Anacardium occidentale

Chickweed

Stellaria media

Cassava

Manihot esculenta

China berry

Melia azedarach

Cast-iron plant

Aspidistra elatior

Chinese arbor-vitae

Thuja orientalis

Castor bean

Ricinus communis

Chinese lotus

Nelumbo nucifera

Catalpa, southern

Catalpa bignonioides

Chinese photinia

Photinia serrulata

Catbrier

Smilax bona-nox

Chinkapin oak

Quercus muehlenbergii

Catclaw acacia

Acacia greggii

Chives

Allium schoenoprasum

Catnip

Nepeta cataria

Chlamydomonas

Chlamydomonas spp.

Cattail

Typha latifolia

Christmas fern

Polystichum acrostichoides

Cauliflower

Brassica oleracea

Chytrid

Allomyces macrogynus

Cecropia

Cecropia peltata

Chytrid

Olpidium brassicae

Clover, red

Trifolium pratense

Chytrid

Physoderma alfalfae

Clover, white

Trifolium repens

Chytrid

Rozella allomycis

Clover, white sweet

Melilotus albus

Cilantro

Coriander sativum

Clover-leaf ferns

Marsilea spp.

Cinnamon

Cinnamomum zeylanicum

Coast redwood

Sequoia sempervirens

Cinnamon fern

Osmunda cinnamomea

Coca

Erythroxylum coca

Cleavers

Galium aparine

Cocklebur

Xanthium strumarium

Cliff brake

Pellaea spp.

Cocoa

Theobroma cacao

Climbing fern

Lygodium japonicum

Coconut palm

Cocos nucifera

Clove

Syzygium aromaticum

Coffee

Coffea arabica

Clover, crimson

Trifolium incarnatum

Coffee

Coffea canephora

Common hop tree

Ptelea trifoliata

Coffee tree, Kentucky

Gymnocladus dioica

Common horsetail

Equisetum arvense

Coleus

Coleus hybridus

Common juniper

Juniperus communis

Collards

Brassica oleracea

Common persimmon

Diospyros virginiana

Columbine, Rocky

Aquilegia caerulea

Common prickly ash

Zanthoxylum americana

Mountain

Common scouring rush

Equisetum hyemale

Columbine, western

Aquilegia formosa

Compact spike moss

Selaginella densa

Comb tooth

Hericium ramosum

Coneflower, purple

Echinacea purpurea

Comfrey

Symphytum officinale

Coral bells

Heuchera sanguinea

Common barberry

Berberis vulgaris

Coralbean, eastern

Erythrina herbacea

Common buttonbush

Cephalanthus occidentalis

Coralline red algae

Porolithon craspedium

Common choke cherry

Prunus virginiana

Coriander

Coriander sativum

Common daylily

Hemerocallis fulva

Corn

Zea mays

Common fig

Ficus carica

Corn smut

Ustilago maydis

Crocus, saffron

Crocus sativus

Cotton

Gossypium hirsutum

Crown of thorns

Euphorbia splendens

Cottonwood, black

Populus trichocarpa

Cryptomonads

Chilomonas spp.

Cottonwood, eastern

Populus deltoides

Cryptomonads

Chroomonas spp.

Cottonwood, plains

Populus sargentii

Cryptomonads

Chroomonas lacustris

Coulter pine

Pinus coulteri

Cryptomonads

Cryptomonas spp.

Cowpea

Vigna unguiculata

Cryptomonads

Cryptomonas undulata

Crabapple, southern

Malus angustifolia

Cryptomonads

Goniomonas spp.

Cramp balls

Daldina concentrica

Cryptomonads

Rhodomonas spp.

Cranberry

Vaccinium macrocarpon

Cucumber

Cucumis sativus

Crape myrtle

Lagerstroemia indica

Cumin

Cuminum cyminum

Creeping bent grass

Agrostis stolonifera

Currant, black

Ribes nigrum

Creeping thyme

Thymus serpyllum

Currant, golden

Ribes aureum

Creosote bush

Larrea tridentata

Custard apple

Annona reticulata

Cress

Lepidium sativum

Cyanobacteria

Anabaena cylindrica

Crimped gill

Plicaturopsis crispa

Cycad

Zamia floridana

Crimson clover

Trifolium incarnatum

Cypress, Arizona

Cupressus arizonica

Cypress, Monterey

Cupressus macrocarpa

Cypress, bald

Taxodium distichum