The Toxic Plant Database was developed by a team of Professors working through Texas Cooperative Extension, a division of the Texas A&M University System. Although the database focuses on toxic plants in Texas, many of the plants are found in other states as well as Mexico. This is a well-organized website containing pictures, maps, plant descriptions, information on the toxic agent, symptoms of...

The Arnold Arboretum of Harvard University provides this in-depth Web site featuring plants found at the Arboretum and related information. Visitors to this site will find sections featuring selected plants at the Arboretum, collections management, on-site projects, a plant-information hotline, and a detailed table listing bloom times for dozens of plants; guidelines for adjusting dates for...

The Missouri Botanical Garden (MBO) hosts this site on duckweeds, the world's smallest flowering plants. Sections include Botanical Facts (anatomy through population growth), Duckweed Illustrations (numerous color images of duckweed), Experiments & Projects (check out the several interesting laboratory experiments), and Practical Duckweed (using duckweed to clean polluted water via...

The Cyclamen Page concerns a genus of plants containing nineteen species which are part of the Primulaceae or Primrose family, and are found throughout Europe and North Africa. Users can browse an annotated list of Cyclamen species, learn about propogation and cultivation, locate seed sources, access an identification key, or find out about Cyclamen expeditions to study these plants in their...

The D.C. Herbarium, maintained by the Smithsonian Institution, is a collection of those plants found in the Washington, D.C. - Baltimore, MD region. This Web site allows users to query the online database for plants of interest and includes an image and distribution map for most species, and an estimated map location for most specimens. The site also contains an image gallery of D.C. area flora...

This list is dedicated to the discussion of all woody and non-woody plants, with annotated discussion lists on 38 topics ranging from aroids and aquatic plants to orchids and organic gardening. Both professionals and amateurs with botanical affinities will almost certainly find a discussion list worth investigating. Many of the botanical- or garden-related topics contain multiple discussion...

Teacher and Gingko enthusiast Cor Kwant, from the Netherlands, offers this comprehensive Web site devoted to Gingko biloba. This frequently updated site covers just about everything there is to know about this "unique tree, a living fossil, unchanged since the time of the dinosaurs." Visitors may read about gingko history, propagation techniques, botanical characteristics, various uses, and much...

This informative website on succulent plants was created by plant enthusiast and cancer researcher Dr. Richard Hodgkiss. The site contains many nice images, and concise information sections on How to Grow Cacti and Succulents, Propagation, Pests and Diseases, Growing from Seed, and more. The site provides information about Asclepiads, Haworthias, Peperomias, and Sempervivums as well. The website...

The University of British Columbia (UBC) Centre for Plant Research website displays a simple, yet ambitious, mission statement: "To explore, explain, and maintain plant life on earth." The Centre is associated with the UBC Botanical Garden, and focuses on the following research themes: Evolution and Biodiversity; Evolutionary Genomics; Plant Biotechnology and Breeding; Plant Physiology and Biotic...

Did you know that we depend on flowering plants for much of our food, clothing, and medicine? Presented by the University of California - Berkeley Museum of Paleontology, this online exhibit explores basic aspects of the earth’s largest group of plants: the Anthophyta (otherwise known as the flowering plants). The exhibit is divided into three sections including Fossil Record, Systematics, and...