Plant Maps
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Interactive EPA Ecoregions Map for Illinois

Based on Ecoregions developed by the EPA, Plantmaps Ecoregions describe areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources, as well as similarity of climate that can assist Illinois gardenders.

40a - Loess Flats and Till Plains
47f - Rolling Loess Prairies
52a - Savanna Section
52b - Paleozoic Plateau/Coulee Section
53a - Rock River Drift Plain
53b - Kettle Moraines
54a - Illinois/Indiana Prairies
54b - Chicago Lake Plain
54c - Kankakee Marsh
54d - Sand Area
54e - Chiwaukee Prairie Region
54f - Valparaiso-Wheaton Morainal Complex
54g - Rock River Hills
71a - Crawford-Mammoth Cave Uplands
71m - Northern Shawnee Hills
71n - Southern Shawnee Hills
72a - Wabash-Ohio Bottomlands
72b - Glaciated Wabash Lowlands
72d - Upper Mississippi Alluvial Plain
72e - Middle Mississippi Alluvial Plain
72f - River Hills
72g - Southern Ozarkian River Bluffs
72i - Western Dissected Illinoian Till Plain
72j - Southern Illinoian Till Plain
72k - Cretaceous Hills
72l - Karstic Northern Ozarkian River Bluffs
72m - Wabash River Bluffs and Low Hills
73a - Northern Holocene Meander Belts
73c - St. Francis Lowlands