Magnoliopsida

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 flytrap (Dionaea), butterworts (Pinguicula), and bladderworts (Utricularia).
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

Leaf  Terminology
Terms used in describing leaves, buds and twigs, with photographs.
http://www2.volstate.edu/JSchibig/leaftypes.htm

PhytoImages: Families of Dicotyledons
Key to families of dicotyledons provided by Kevin Nixon.
http://131.230.176.4/cgi-bin/dol/dol_diagkey.pl?matrix=angi_matrix&new=1

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