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6,550 species in Shenandoah National Park
Clepsis melaleucanus
Clepsis peritana
Climacium americanum
Coelostathma discopunctana
Coleosporium carneum
Coleosporium helianthi
Comandra umbellata
Condylostylus caudatus
Contarinia negundinis
Copris fricator
Cornus mas
Cornus rugosa
Cotesia congregata
Crambus laqueatellus
Crataegus scabrida
Crematogaster cerasi
Crespoa crozalsiana
Cruciata pedemontana
Cryptoporus volvatus
Cyclosa turbinata
Cycnia oregonensis
Cyprinella spiloptera
Cyrtolobus pallidifrontis
Daktulosphaira vitifoliae
Darapsa versicolor
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