C. darwinii
# C. darwinii

C. darwinii may refer to:

* Caberea darwinii
* Calceolaria darwinii, a perennial plant originally from Tierra del Fuego in the southern part of South America
* Camponotus darwinii, Forel, 1886, a carpenter ant species in the genus Camponotus
* Carex darwinii
* Cladonia darwinii
* Cosmocalanus darwinii
* Cyttaria darwinii, the type species of Cyttaria, a genus of ascomycete fungi
