Plants in the Yahoo! Directory

PLANTS Database
USDA provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.
plants.usda.gov
Shamrock, The
Symbolism and history of the three-leafed clover native to Ireland.
www.geocities.com/EnchantedForest/Cottage/2595/shamrock.html
Database of Herbaceous Vegetation Responses to Elevated Atmospheric CO2
Contributed by Michael H. Jones and Peter S. Curtis.
cdiac.esd.ornl.gov/epubs/ndp/ndp073/ndp073.html
Complete Guide to Growing Sunflowers
Provides descriptions of different species, cultivation information, and fun facts.
sunflower-guide.netfirms.com
INVADERS Database System
Comprehensive database of exotic plant names, distribution records, and regulatory information for the northwestern United States.
invader.dbs.umt.edu
Plants at Work
National information campaign working in conjunction with the industry to inform professionals in the public about the numerous benefits of interior plants.
www.plantsatwork.org
Methods in Plant Histology
Containing research techniques and methodology regarding plant histology, or the study of the tissue structure of plants.
www.publicbookshelf.com/public_html/Methods_in_Plant_Histology
Centres of Plant Diversity: The Americas
Part of a three-volume work that contains accounts of nearly 250 major sites for conservation of plant diversity worldwide.
www.nmnh.si.edu/botany/projects/cpd
Be Nice to Nettles Week
Site promoting National Nettles week, 19th to 28th May 2004. Features a wealth of information on the humble, and stingy, nettle.
www.nettles.org.uk
Flowers in Ultraviolet
Gallery of color, ultraviolet, and infrared photographs capturing a variety of flowers spectral signatures. Images are arranged by plant Family.
www.naturfotograf.com/UV_flowers_list.html
Official State Flowers
Lists the state flowers (with color photographs) by their common and scientific names.
www.50states.com/flower.htm
Noble Foundation Plant Image Gallery: Grasses & Grasslike Plants
Indexed by common and scientific name.
www.noble.org/imagegallery/grasses.html
Flowers.vg
Offers a large selection of flower and plant pictures and desktop wallpapers including roses, daisies, lilies, sunflowers, daffodils, tulips, venus fly traps, cacti, and others.
www.flowers.vg
Solanaceae
Provides characteristics, index of subfamilies, species of the month, and references about this plant family.
www.hvanbalken.com
Penstemon
Information and pictures of this native North American plant genus.
www.biosci.ohio-state.edu/~awolfe/Penstemon/Penstemon.html
NATURE: The Seedy Side of Plants
Discover the methods seeds use to travel, how they adapt to new environments, and how genetic engineering is being used to alter the natural seed production of plants.
www.pbs.org/wnet/nature/plants
Plants Magazine
Featuring new rare and unusual garden plants from around the world.
www.plants-magazine.com
Introduction to the Plantae
Information on mosses, ferns, conifers and flowering plants with additional resources on paleobotany and plant systematics.
www.ucmp.berkeley.edu/plants/plantae.html
Butterflies and Plants: Partners in Evolution
Discover how natural selection has shaped animals and plants together through their ancient and persistent dependencies, and defenses with one another in this Smithsonian exhibit.
butterflies.si.edu
Introduction to the Anthophyta
Information about the Anthophyta, or flowering plants, the largest group of plants. Includes links to more specific flowering plant groups.
www.ucmp.berkeley.edu/anthophyta/anthophyta.html