(Μυρτώεσσα), the nymph of a well of the same name in Arcadia; she was represented at Megalopolis along with Archiroe, Hagno, Anthracia and Nais. (Paus. 8.31.2.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890