title: Ardengus
text: # Ardengus
  
  Ardengus was a bishop of Florence, beginning in 1231. While he was bishop, he introduced reforms and excommunicated the Patarini. He was a canon of Pavia. Before that, he was a teacher in Paris, to ca. 1227–1229.
  
  ## Works
  
  * Abbrevatio summae magistri Guillelmi Autissiodorensis Unedited, for MSS see Landgraf, Introduction, p. 174
  