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The Illinois List of Endangered and Threatened Species is reviewed about every five years by the Illinois Endangered Species Protection Board (ESPB). [1] To date it has evaluated only plants and animals of the US state of Illinois, not fungi, algae, or other forms of life; species that occur in Illinois which are listed as endangered or threatened by the U.S. federal government under the ...
Pages in category "Individual trees in Illinois" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. 0–9.
This is a list of U.S. state, federal district, and territory trees, ... Illinois: White oak: Quercus alba: 1973 [20] Indiana: Tulip tree: Liriodendron tulipifera ...
325 million years ago Illinois was covered in heavily forested deltaic swamps. [11] The trees composing this Pennsylvanian forest included Cordaites, scale trees, and seal trees. [12] Some of these trees could grow over 100 feet high. [11] The rest of the flora included scouring rushes, Sphenophyllum, ferns, and seed ferns.
White oak has served as the official state tree of Illinois after selection by a vote of school children. [28] There are two "official" white oaks serving as state trees, one located on the grounds of the governor's mansion, and the other in a schoolyard in the town of Rochelle. The white oak is also the state tree of Connecticut [29] and Maryland.
Its grounds, covering 1,700 acres (6.9 square kilometres), include cataloged collections of trees and other living plants, gardens, and restored areas, [3] [4] [5] among which is a restored tallgrass prairie. The living collections include more than 4,100 different plant species. There are more than 200,000 cataloged plants. [6]
The black ash trees of Busse Woods are threatened by the emerald ash borer, which was reported in Illinois for the first time in 2006. [ 3 ] Other parts of Busse Woods are better-drained and include species more typical of the forests of northern Illinois, such as the basswood , hickory , sugar maple , and white oak , the latter species being ...
Illinois' ecology is in a land area of 56,400 square miles (146,000 km 2); the state is 385 miles (620 km) long and 218 miles (351 km) wide and is located between latitude: 36.9540° to 42.4951° N, and longitude: 87.3840° to 91.4244° W, [1] with primarily a humid continental climate.