C. ehrenbergii

C. ehrenbergii may refer to:


 * Canna ehrenbergii, a garden plant
 * Chlidanthus ehrenbergii, a South American plant
 * Chlosyne ehrenbergii, a Mexican butterfly
 * Closterium ehrenbergii, a cylindrical algae
 * Croton ehrenbergii, a medicinal plant
 * Cylindrocarpon ehrenbergii, a plant pathogen