Spuria Iris Society
- Section of the American Iris Society dedicated to Spuria types. Information about cultivation, events, and membership, a photo gallery and forum, and listing of plant sources.
- http://www.spuriairis.com

East Tennessee Iris Society
- Provides photographs, show and meeting schedule, and contacts.
- http://www.discoveret.org/etis/

Connecticut Iris Society
- Information about iris culture and activities such as shows, sales and informational meetings.
- http://www.irisgarden.org/cismain.htm

World Iris Association
- A proposed international organization for irisarians. Includes a draft of the charter, information on events and awards for various national association, and a cultivar popularity poll.
- http://www.worldiris.com/public_html/WIF/WI_level1/TOC.html

Society for Japanese Irises
- Organization for amateur enthusiasts and professionals, for sharing information and the enjoyment of growing Japanese irises. Information about membership, display gardens, and photo contest.
- http://www.socji.org/

Society for Louisiana Iris
- Membership organization for enthusiasts of the Louisiana iris varieties, aims to promote, educate, and conserve. Information about culture and cultivars, events, and publications.
- http://www.louisianas.org/

Italian Iris Society
- The society organizes shows, including the International Iris Competition, fosters knowledge of the iris and its genetic improvement, and encourages both technical-scientific and popular publications. [Italian/English]
- http://www.irisfirenze.it/

Tall Bearded Iris Society
- Features membership information, photographs and listing of display gardens.
- http://www.tbisonline.com/

Reblooming Iris Society
- A section of the American Iris Society devoted to promoting interest and development of all iris types having more than one bloom season per year. Information about membership and meetings, rebloom reports, iris culture, and photo gallery.
- http://www.rebloomingiris.com/

Society for Pacific Coast Native Iris
- Works to further knowledge and horticultural value of the irises that grow wild along the North American Pacific Coast. Information about the species in wild and garden settings, and about the organization, its newsletter, and events.
- http://www.pacificcoastiris.org/

Canadian Iris Society
- Provides regional events, culture, news, editorials and photographs.
- http://www.cdn-iris.ca/

The British Iris Society
- Association of Iris enthusiasts to exchange views and knowledge of the genus and its cultivation. Includes basic and A-Z guides, information about regional and specialist groups, events, and publications, and an overview of Iris gardens in the UK.
- http://www.britishirissociety.org.uk/

Iris Club of Southeast Michigan
- Affiliate club of the American Iris Society. Information about club and members, projects, socials, sales, and meetings, and a few articles about iris care.
- http://www.irisclub.org/

Aril Society International
- Plant enthusiasts devoted to promoting the aril and arilbred irises. Content includes events, culture and photographs.
- http://www.arilsociety.org/

Hudson Valley Iris and Daylily Society
- Content includes schedule, club charter and show information.
- http://www.hvids.org/

The Society for Siberian Irises
- Presents awards, photographs and display garden locations.
- http://www.socsib.org/

Median Iris Society
- Devoted to promoting interest in and the development of median irises. Content includes display gardens, glosary, officers and yearly awards.
- http://www.medianiris.com/

Louisville Area Iris Society
- Displays culture information, photographs, meetings and activities schedule.
- http://www.lais-ky.org/

The Tulsa Area Iris Society
- Features event and program schedule, photographs and culture.
- http://www.tulsairis.org/

Tucson Area Iris Society
- Presents local hybridizers and culture information, photographs, and event schedule.
- http://www.tucsoniris.org/

Eastern North Carolina Iris Society
- Content includes event schedule and photographs.
- http://thegardensite.com/irises/encis/index.htm

Species Iris Group of North America
- Dedicated to the study of the wild species of the genus Iris. Presents photographs, seed exchange, and culture information.
- http://www.signa.org/

Texoma Rainbow Iris Society
- Contents include meeting schedule and newsletter.
- http://www.triris.org/

Fort Worth Iris Society
- Founded in 1959 to promote interest in the culture of the genus. Contents include glossary, events and member favorites.
- http://www.fortworthiris.org/

Sooner State Iris Society
- Photographs, calendar of events and news from this Oklahoma City, Oklahoma group of plant enthusiasts.
- http://home.flash.net/~mindpath/ssis/index.htm

King County Iris Society
- Encompassing the greater Seattle, Washington area. Presents culture, educational articles and program schedule.
- http://www.kcis.org/

Greater Rochester Iris Society
- Upstate NY group provides event and membership details.
- http://www.rochestergardening.com/local/gris.html

Sun Country Iris Society
- Includes contact information, membership fees and meeting details.
- http://ag.arizona.edu/maricopa/garden/html/clubs/iris.htm

Iris Garden
- Region 1 of the American Iris Society comprised of Connecticut, Maine, Massachusetts and Western New England. Content features local chapter events, culture tips, and classification guide.
- http://www.irisgarden.org

American Iris Society
- Promotes the culture and improvement of the Iris. Includes events, regional chapters, classification, cultivar registration and photographs.
- http://www.irises.org/

Historic Iris Preservation Society
- Devoted to information on older iris cultivars, sources for these iris, pictures, pedigrees, and bibliographies.
- http://www.worldiris.com/public_html/level1/TOC.html