American Ivy Society - http://www.ivy.org/
A non-profit organization dedicated to preserving the genus Hedera through education and promotion. Site offers contact information, species photos with descriptions, a classification system, care instructions, article collection, membership details, and a question answering resource. |
Hebe Society - http://www.hebesoc.org/
International society based in Britain promoting the cultivation and conservation of hebes and other New Zealand native plants. Includes plant profiles and photos, FAQs, and links. |
New Ornamentals Society - http://members.tripod.com/~Hatch_L/nos.html
Devoted to the study of new and rare ornamental landscape plants. Includes an online source guide and plant encyclopedia. |
Passiflora Society International - http://www.passiflora.org/
Dedicated to the preservation, study, and dissemination of Passiflora. |
Scottish National Sweet Pea Rose & Carnation Society - http://www.snsprcs.org.uk/
Society home page with Sweet Pea and Rose trial results, flower show venue and reports. |