Ardo Smaragdus was a hagiographer. He entered the monastery of Aniane in Hérault as a boy, probably as an oblate, and was brought up by Benedict of Aniane. He was ordained a priest and made head of the monastery school.
Editions
• Ardo Smaragdus, Vita, Migne's Patrologia Latina, 103:353 sqq.; • Cabaniss, Allen, trans. Benedict of Aniane: ''The Emperor's Monk, Ardo's Life''. Foreword by Annette Grabowsky and Clemens Radl. Kalamazoo, Michigan: Cistercian Publications, 2008. Pp. 112.