C. roseus may refer to: Carpodacus roseus, the Pallas's rosefinch, a bird species Catharanthus roseus, the Madagascar periwinkle, a plant species endemic to Madagascar Cotoneaster roseus, a plant species native to portions of the Himalayas, Iran, northern and western Pakistan, northwest India and Kashmir
Synonyms Cryptochilus roseus, a synonym for Eria rosea, a plant Clastes roseus, a synonym for Peucetia viridans, the green lynx spider
See also Roseus (disambiguation)