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We created habitat polygons only around known occurrences, rather than creating polygons of potential habitat where no occurrence records exist. In using this method, we are able to definitively say that acquisition of a habitat area serves to protect a particular species because we have documentation of the species at that site. The habitats were then ranked based on quality/suitability for the species. The final dataset is a weighted species richness overlay of individual species habitat models for 634 species, including 283 invertebrates, 244 plants, and 106 vertebrates. Species are weighted according to Heritage Global Rarity Rank, Percent Protected on Conservation Lands, Taxonomic Distinctiveness, and Endemism. 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