Plant Diversity: Carnivorous Plants - Information on the Sundews and Pitcher Plants that grow in the wet tropics of Australia. - http://www.wettropics.gov.au/pa/pa_carnivorous_plants.html
Leaf Terminology - Terms used in describing leaves, buds and twigs, with photographs. - http://www2.volstate.edu/JSchibig/leaftypes.htm
Carnivorous Plants in the Wilderness - An online book by Makoto Honda, with a general description of all insectivorous plants in the world. Includes detailed information, illustrations, and photographs of pitcher plants (Sarracenia), cobra plant (Darlingtonia), sundews (Drosera), Venus flytra - http://www.honda-e.com/
Dicots Overview - Overview of the major families of the class Dicotylodonea (broad-leaved plants). - http://www.perspective.com/nature/plantae/dicots.html