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As implied, links to various lists as well as databases associated with plant identification, distribution, etc.
Dictionary of Botanical Epithets
Mountain Ranges of the Earth (and Moon)
Mountains & Mountain Ranges of United States
Rare Plants of Colorado
Rock Garden Plant Database
Search the CSU Extension website
Seed Site, The
Tom Clothier's
Types of Rocks
International Plant Names Index
Missouri Botanical Garden's VAST (VAScular Tropicos)