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"Illinois" 5 ILCS 460/35 1925 [9] Tartan Illinois Saint Andrew Society Tartan 5 ILCS 460/95 2012 [1] Theatre The Great American People Show: 5 ILCS 460/70 1995 [1] Tree: White oak (Quercus alba) (replaced "Native Oak" adopted in 1908) 5 ILCS 460/40 1973 [2] [3] Vegetable: Sweet corn: 5 ILCS 460/56 2015 [1] Wildflower: Milkweed (Asclepias spp ...
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 ...
The Morton Arboretum, in Lisle, Illinois, United States, is a public garden [1] and outdoor museum with a library, herbarium, and program in tree research including the Center for Tree Science. [2] Its grounds, covering 1,700 acres (6.9 square kilometres), include cataloged collections of trees and other living plants, gardens, and restored ...
This list of botanical gardens and arboretums in Illinois is intended to include all significant botanical gardens and arboretums in the U.S. state of Illinois. [1 ...
The 385-acre (156 ha) park contains the southernmost remaining stand of native white pine trees in the state of Illinois, and that area, 43 acres (17 ha), was designated an Illinois Nature Preserve in 2001. The area was poised to become a state park in 1903, but a veto by Governor Richard Yates prevented that from occurring. Supporters ...
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.
An 18.6-acre (7.5 ha) parcel within the largely privately owned grove was dedicated by the state of Illinois in 1985 as the Funk's Grove Nature Preserve. [2]Due to fire suppression, the makeup of tree life in Funk's Grove is changing from historic times, with the original oaks not reproducing themselves naturally.
In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service. [2] Tree volumes and weights are not directly measured in the field, but computed from other variables that can be measured. [3] [4]
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