About.com: Trumpeting Trumpet Vines on the Landscape About.com: Trumpeting Trumpet Vines on the Landscape: Information about trumpet vines and how to attract hummingbirds with flowing vines. (Climbers and Vines) http://www.landscaping.about.com/cs/groundcovervines/a/flowering_vines.htm
Poison Ivy, Oak & Sumac Information Center Poison Ivy, Oak & Sumac Information Center: Pictures of various poisonous plants with pictures. Includes facts, remedies, treatment, question and answers, and FAQs. (Climbers and Vines) http://www.poisonivy.us/
Clematis Clematis: Searchable plants database containing photographs, characteristics and descriptions of more than 250 clematis and other vines. (Climbers and Vines) http://www.clematis-info.com/
Hoya Hoya: Tips on culture, germination and care. Information on the species history, native habitat and systematics. Contains a larger photo gallery with photos of flowers, whole plant and leaves. (Climbers and Vines) http://www.hoyor.net/
Ivyfile Ivyfile: Ivy encyclopedia with cultivars, illustrations, and nursery sources. (Climbers and Vines) http://members.tripod.com/~Hatch_L/hede1616.html
Eastcheam Ivy Eastcheam Ivy: Contains information about different species of the plant along with photographs and resources. (Climbers and Vines) http://www.eastcheam.co.uk
Passion Flowers Passion Flowers: Information about Passiflora collection with tips on growth and care in the UK climate. (Climbers and Vines) http://www.passionflow.co.uk
Copihue or Chilean Bellflower, Lapageria rosea, The Copihue or Chilean Bellflower, Lapageria rosea, The: Describes history, cultivation, and cultivars, also provides photographs. (Climbers and Vines) http://www.lapageria.com/