A. exigua

A. exigua may refer to:


 * Acaena exigua, a rose endemic to Hawaii
 * Acrolophus exigua, a South American moth
 * Acrotona exigua, a rove beetle
 * Aglaia exigua, a New Guinean mahogany
 * Agrostis exigua, a North American bunchgrass
 * Agyneta exigua, an African spider
 * Alcadia exigua, a land snail
 * Alcyna exigua, a sea snail
 * Aleuria exigua, a cup fungus
 * Anaxipha exigua, a sword-tail cricket
 * Ancilla exigua, a sea snail
 * Andrena exigua, a nonparasitic bee
 * Antoniettella exigua, a colonial invertebrate
 * Anxietas exigua, a sea snail
 * Asterias exigua, a starfish native to the northeastern Atlantic Ocean and the Mediterranean Sea
 * Attalea exigua, a New World palm