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4,849 species in Grand Canyon National Park
Cenchrus longispinus
Ceratina nanula
Cervus elaphus
Chaetarthria pallida
Chaetodipus penicillatus
Chalybion californicum
Chenopodium desiccatum
Chenopodium incognitum
Chenopodium subglabrum
Chlosyne gabbii
Chroogomphus vinicolor
Chrysobothris woodgatei
Chrysopa coloradensis
Cicindelidia hemorrhagica
Cinna latifolia
Circinaria hoffmanniana
Circotettix coconino
Cirsium undulatum
Clarireedia bennettii
Climaciella brunnea
Clinopodium vulgare
Coelocnemis punctata
Colias philodice
Colletes louisae
Andrena prunorum
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