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We downloaded, cleaned, and combined records from Biodiversity Heritage Library’s (BHL) Seed and Nursery Catalog Collection with data from Restoring American Gardens: An encyclopedia of heirloom ornamental plants, 1640-1940 (RAG; Adams 2004) to create a single database of historical nursery sales in the U.S. Each record represents an individual taxon offered for sale at an individual time in a specific nursery’s catalog. We standardized records to the current World Flora Online (http://worldfloraonline.org) accepted taxonomy, and appended accepted USDA code, growth habit, and introduction status. We also appended whether taxa were reported as invasive in the Global Plant Invaders (GPI) dataset or the Global Invasive...


    map background search result map search result map Historical plant sales (HPS) database: Documenting the spatiotemporal history of plant sales in the conterminous U.S. Historical plant sales (HPS) database: Documenting the spatiotemporal history of plant sales in the conterminous U.S.