This is a section in the Subgenus Iris. This group is your typical bearded Iris. They have been refered to as Pogon Iris, and Eupogon Irises, the first just meaning bearded and the second meaning true bearded. The group has a very large number of species including the type species for the genus and the family, Iris germanica.
The following are the species included in this section as recorded in A Guide to Species Irises, Their Identification and Cultivation by the British Iris Society Species Group, Cambridge University Press 1997: