The transmission of some ancient texts is due to Florus: especially the Latin version (the only complete) of Irenæus' Adversus Hæreses and excerpts from the lost work Contra Fabianum of Fulgentius of Ruspe.
As one of the most brilliant spirits of his time, Florus composed impressive compilations of the Church Fathers on defined subjects (Paul's epistles).
He was considered one of the foremost authorities on theological questions among the clergy of the Frankish kingdom; and, in consequence, his opinion was often sought in important ecclesiastical matters.
In Agobard's defence, Florus wrote a short treatise on how bishops should be appointed;[3] he also attacked Amalarius on theological grounds, accusing him of heretical interpretation of the liturgy.
[5] Florus also used his remarkable knowledge of Augustine to contribute to the Predestination debates of the mid ninth century, in which he defended Gottschalk of Orbais.