 The fifth is dedicated to the nymphs and to Pan, and to the rivers Achelous and Cephisus.Aristophanes mentions Iaso humorously in "Ploutos", when one of the characters, Cario, reports that Iaso blushed upon his passing gas.In the temple of Amphiaraus at Oropus a part of the altar was dedicated to her, in common with Aphrodite, Panaceia, Hygieia, and Athena Paeonia.