A summary of the Illinois flora based on the Illinois plant information network
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Transactions of the Illinois State Academy of Science. 90(1,2): 41-64.
The Illinois Plant Information Network (ILPIN), a species-based database on the flora of Illinois, is useful for assessing botanical diversity in Illinois and surrounding states. All known vascular plant taxa from Illinois (more than 3,200) are included. It contains county distributions (totaling nearly 90,000) for each taxon and information on the taxonomy, ecology, biology, and ecodistribution of each. Summary maps and tables on Illinois flora are generated easily, that include the number of taxa by county or subsets such as number of threatened and endangered species, number of exotics, number of native, forest-associated species, and other data. The database also provides information on regional ecological factors associated with the flora, via geographic information system (GIS) overlay analysis and statistics.
Iverson, Louis R.; Prasad, Anantha M.; Ketzner, David M. 1997. A summary of the Illinois flora based on the Illinois plant information network. Transactions of the Illinois State Academy of Science. 90(1,2): 41-64.