Chrysolina hyperici
Chrysomelidae > Coleoptera > Insecta
Chrysolina quadrigemina
Chrysomelidae > Coleoptera > Insecta
Chytridomycota
Cinnamomum camphora
Lauraceae > Laurales > Magnoliopsida
Citrullus lanatus
watermelon — Cucurbitaceae > Cucurbitales > Magnoliopsida
Claviceps purpurea
Ergot —
Coelioxys moesta
Megachilidae
Coenonympha pamphilus
Colias eurthyme
Colias m. meadii
Colias meadii edwards
Colias meadii lemhiensis
Pieridae > Lepidoptera > Insecta
Colias meadii meadii
Collinsia heterophylla
Plantaginaceae > Lamiales > Magnoliopsida
Common crow
Common crow —
Common nighthawk
Common nighthawk —
Comparettia falcata
Orchidaceae > Asparagales > Magnoliopsida
Cooper's hawk
Cooper's hawk —
Coopers hawk
Coopers hawk —
Coreopsis sp.
Asteraceae
Cornus alternifolia
Cornaceae > Cornales > Magnoliopsida
Cornus canadensis
Cornus florida
Cottus bairdii
Mottled sculpin — Cottidae > Scorpaeniformes > Teleostei
Cotylurus flabelliformis
Strigeidae > Diplostomida > Acentrosomata
Crataegus species
Crepis occidentalis
Asteraceae > Asterales > Magnoliopsida
Cryptopygus antarcticus
Isotomidae > Entomobryomorpha > Collembola
Cucumis melo
cantaloupes — Cucurbitaceae > Cucurbitales > Magnoliopsida
Cyanobacteriota
cyanobacteria — Vampirovibrionophyceae
Cynigmula
Cyprinodon macularius
Desert Pupfish —
DNA
deoxyribonucleic acid —
Dairy cows
Dairy cows —
Dalbergia sissoo
Fabaceae > Fabales > Magnoliopsida
Danthonia intermedia
Timber oatgrass — Poaceae > Poales > Magnoliopsida
Descurainia sophia
flixweed —
Desulfarculus baarsii
Desulfarculaceae > Desulfarculales > Deltaproteobacteria
Desulfobacca acetoxidans
Syntrophaceae > Syntrophobacterales > Deltaproteobacteria
Desulfuromonas sp.
Dialasma sp.
Dibunophyllum sp.
Diphragmaceras sp.
Dipodomys ingens
giant kangaroo rat —
Dolania americana
mayfly — Behningiidae > Ephemeroptera > Insecta
Douglas fir tussock moth
Draba
Brassicaceae > Brassicales > Magnoliopsida
Draba incana
Brassicaceae > Brassicales > Magnoliopsida
Draba incerta
Brassicaceae > Brassicales > Magnoliopsida
Drepanosiphum platanoidis
Aphididae