C. exigua

C. exigua may refer to:


 * Calamintha exigua, a flowering plant
 * Campanula exigua, a bluebell endemic to California
 * Canistropsis exigua, a plant endemic to Brazil
 * Canna exigua, a garden plant
 * Claytonia exigua, a western North American wildflower
 * Cnaphalocrocis exigua, a grass moth
 * Corticarina exigua, a minute brown scavenger beetle
 * Curcuma exigua, a perennial herb
 * Cymbella exigua, a unicellular algae
 * Cymothoa exigua, a parasitic crustacean