Dodder: Cuscuta species - Photographs and information on these plants growing parasitically on trees and shrubs in the Sonoran Desert. - http://www.biology.ed.ac.uk/research/groups/jdeacon/desertecology/dodder.htm#top
Cuscuta europaea - Photograph, systematic position, morphology, biology, distribution, ecology and economic significance of European Dodder. - http://www.agroatlas.spb.ru/weeds/Cuscuta_europaea_en.htm
Cuscutaceae - Botanical characteristics of this family of parasitic plants, with drawings of Cuscuta. - http://delta-intkey.com/angio/www/cuscutac.htm
Cuscuta sandwichiana - A number of photographs of this parasitic species. - http://www.hear.org/starr/hiplants/images/thumbnails/html/cuscuta_sandwichiana.htm
Cuscuta campestris - Several photographs of the western field dodder. - http://www.hear.org/starr/hiplants/images/thumbnails/html/cuscuta_campestris.htm