ARS  - American Rose Society  

Combined Rose List - "Published annually since 1980, the Combined Rose List is the one international reference for rose sources. It contains essential information about rose varieties and mail order nurseries in the USA, Canada, and many overseas countries. Information in this 272-page softcover book is provided for more than 14,500 different roses and more than 300 mail order nursery sources."

HelpMeFind roses - "A site devoted to roses and all that is rose related, including selecting, buying, breeding, caring for and exhibiting. We have cataloged over 26,000 roses and have more than 29,000 photos along with thousands of rose nurseries, public and private gardens, rose societies, authors, breeders, hybridizers and publications from all over the world. "

Heritage Roses Group - "The Heritage Roses Group, formed in 1975, is a fellowship of those who care about Old Garden Roses, Species Roses, Old or Unusual Roses - particularly those roses introduced into commerce prior to the year 1867. Its purposes are to preserve, enjoy, and share knowledge about the Old Roses....Our goal is to archive every issue of The Rose Letter, all thirty years, on this website. It will take time to scan in nearly 120 back issues. "

 

Québec Rose Society (La Société des Roses du Québec) - Founded in 1990, the SRQRS is a proud partner of the Canadian Rose Society, the National Rose-Canada, and the World Federation of Roses Society. It has also partnered with the Montreal Botanical Garden (JBM) since 2000. Through multiple efforts and loyal members, the society holds an annual exhibition that stands out for its distinction and variety of cultivars from private gardens of our members.

Sacramento Historic Rose Garden -  The collection at present numbers more than four hundred plants—over two hundred varieties. The city of Sacramento Department of Community and Visitor Services and Rose Garden Volunteers cooperate to maintain the garden.