Plant science web directories
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❖UN Lincoln AgNIC - A comprehensive searchable list of plant science websites
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❖kid friendly version of the above resource
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❖Scott's botanical list - very comprehensive categorised collection of plant science websites
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❖Botany directory listings
Plant species databases
Comprehensive databases
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❖USDA Plants Database - Search for information about a plant species of your choice or plant species in your state and more...
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❖Neoflora - [DEAD LINK!] Claims to be the world's largest plant database
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❖Dave's Garden - Look up information about a plant species of choice (has links to commerical seed vendors)
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❖UConn Plant database - Search for plant species with traits you like (e.g. evergreen shrub with yellow flowers)
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❖Database of plant databases - Search for plant databases by name or content
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❖USDA Forest service plant database - Search for information about a plant species of choice by name or trait
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❖International plant names index - Search and download plant information in different formats
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❖TROPICOS - A plant information database from the Missouri Botanical Garden
Specialized databases
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❖Crop database - an alphabetic list of crop plants and information about them
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❖Plant Care - Database of indoor plants and information on plant care
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❖Conifers - Database of gymnosperms (non flowering plants)
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❖Carnivorous plants - Database of carnivorous plants by International Carnivorous Plants Society
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❖Poisonous plants - List of poisonous plants and symptoms from Cornell University
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❖Tropical plants - List of tropical plants (The Amazon plants)
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❖Plants for a future - Search information about useful plants by name or use (informative, but no images)
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❖Phytochemical and Ethnobotanical databases - Searchable databases to identify plants producing phytochemicals having specific activities (e.g. anti cancer compounds, antioxidants)
Native / invasive plant databases
United States
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❖Plant species in your state - Arizona (in progress) - California - Florida - Illinois - Iowa - Maine - Michigan - Minnesota - Oklahoma - Oregan - South Carolina - Texas - Washington - Wisconsin
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❖List of state native plant societies (Thanks to South Carolina native plant society)
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❖Invasive plant species - USDA list of invasive plant databases
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❖Invasive plant species of the United States - from New York Botanical Garden
Canada
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❖Native plants of Canada - Listings by province
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❖Invasive species of Canada - search for invasive species in Canada
Other
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❖Global invasive species database - Search by country and/or type of life form
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❖Australian Network for Plant Conservation - Native plant species of Australia
Weed Identification guides
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❖Poison Ivy, Summac and Oak
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❖Facts, Pictures and info (by Jim Dunphy) - user submitted pictures and identification
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❖Medicinenet - Identification and remedies
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❖Poison-ivy.org - Seasonal images, Identification poster and control services
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❖UFL's extension page - diagrams and descriptions of all three plants
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❖Bay Area Medical Information - pictures and info on all three plants
Herbaria and Institutes
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❖Herbaria directory - Searchable directory from the New York botanical gardens (The search engine is not very friendly; e.g. recognises 'U.S.A', but not 'USA').
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❖Internet Directory for Botany - List of botanical gardens and arboreta
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❖Additional directories
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Careers in plant science
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❖ASPB job bank - Job database and career discussion from the American Society of Plant Biologists
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❖Careers in botany - Plant science career advise from the Botanical Society of America
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❖Research careers in plant science - A nice article from Science magazine's career resources
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❖Careers in Plant Pathology - Know about becoming an expert on plant diesease