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2,540 species in Mesa Verde National Park
Catocala semirelicta
Catocala violenta
Catostomus commersonii
Ceanothus fendleri
Celaena reniformis
Centaurea stoebe
Centrocoris volxemi
Ceratodon purpureus
Cerceris nigrescens
Cercocarpus intricatus
Cercyonis sthenele
Ceroplastes irregularis
Ceroxys latiusculus
Ceuthophilus pallidus
Chamaesaracha coronopus
Charmon extensor
Chenopodium album
Chenopodium atrovirens
Chenopodium berlandieri
Chinavia hilaris
Chlaenius tricolor
Chlorosea roseitacta
Choristoneura occidentalis
Chortophaga viridifasciata
Chrysobothris cuprascens
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