C. trifolii
# C. trifolii

C. trifolii may refer to:

* Coleophora trifolii, the trefoil thick-horned tinea or large clover case-bearer, a moth species found in Europe, North Africa, Asia Minor, Afghanistan and North America
* Colletotrichum trifolii, a fungal plant pathogen of alfalfa
* Curvularia trifolii, a plant pathogen
* Cymadothea trifolii, a fungal plant pathogen
