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
Botany.com
Includes an encyclopedia of flowers and plants indexed by botanical and common name as well as links to associations and societies.
www.botany.com
Plants for a Future
Collection of leaflets about edible and other useful plants, including plants for lighting, fiber, soaps, oils, and information on permaculture and perennial plants.
www.pfaf.org
HortiPlex
Plant database containing images, gardening information, nomenclature data, and links.
hortiplex.gardenweb.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
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
Floral Images
Showcases pictures of garden and wild flowers from the U.K. and Ireland.
www.floralimages.co.uk
INVADERS Database System
Comprehensive database of exotic plant names, distribution records, and regulatory information for the northwestern United States.
invader.dbs.umt.edu
Plants Magazine
Featuring new rare and unusual garden plants from around the world.
www.plants-magazine.com
New Plant Page
Lists new and rare plant genera. Includes original cultivar checklists and horticultural monographs.
members.tripod.com/~Hatch_L/genera.html
S-weeds
A poetic journey among the Swedish weeds consisting of daily haikus and photo entries of individual weeds.
www.s-weeds.net
Plant Trivia Timeline
World history from the viewpoint of a botanist, presenting the story of plant discovery and use, and addressing the roles of plants in human civilization.
www.huntington.org/BotanicalDiv/Timeline.html
Plant Image Gallery
Features a gallery of plants from all over the world.
www.plant-pictures.com
Penstemon
Information and pictures of this native North American plant genus.
www.biosci.ohio-state.edu/~awolfe/Penstemon/Penstemon.html
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
Plants-In-Motion [read review]
Watch movies of plants growing and learn interesting facts about plants of several types.
plantsinmotion.bio.indiana.edu/plantmotion/starthere.html
Great Plant Escape
Elementary program for 4th and 5th grade students designed to introduce them to plant science and increase their understanding of how foods grow.
www.urbanext.uiuc.edu/gpe
Noble Foundation Plant Image Gallery: Grasses & Grasslike Plants
Indexed by common and scientific name.
www.noble.org/imagegallery/grasses.html
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
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