M. crocea

M. crocea may refer to:


 * Malephora crocea, a flowering plant
 * Mantella crocea, a frog endemic to Madagascar
 * Maxillaria crocea, a South American orchid
 * Mentzelia crocea, an annual wildflower
 * Mitra crocea, a sea snail
 * Murdannia crocea, a flowering plant
 * Mylothris crocea, an African butterfly