American Hemerocallis Society (AHS)
The organization designated by the International Society for Horticultural Science (ISHS) for registering clones of the genus Hemerocallis – (daylilies).
The American Hemerocallis Society, Inc. (AHS) is a non-profit organization. The AHS is organized exclusively for educational and scientific purposes, and especially to promote, encourage, and foster the development and improvement of the genus Hemerocallis and public interest therein.
AHS membership information can be found here.