North American Cypripediums Nile Dusdieker, Wednesday, December 9, 2015 Watch Now This is a member - only webinar. If you are a current member, please sign in to access this webinar. If you are not yet a member, learn about the benefits and sign up todayIf your membership has expired, please renew your membership to access this webinar. Nile Dusdieker, M.D. talks about North American Cypripediums. Nile is an accredited AOS judge with the Chicago Judging center and lives in Iowa.