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  2. List of Illinois state symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_Illinois_state_symbols

    "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 ...

  3. List of U.S. state and territory trees - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_and...

    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 ...

  4. List of botanical gardens and arboretums in Illinois - Wikipedia

    en.wikipedia.org/wiki/List_of_botanical_gardens...

    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 ...

  5. Morton Arboretum - Wikipedia

    en.wikipedia.org/wiki/Morton_Arboretum

    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 ...

  6. White Pines Forest State Park - Wikipedia

    en.wikipedia.org/wiki/White_Pines_Forest_State_Park

    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 ...

  7. Forest cover by state and territory in the United States

    en.wikipedia.org/wiki/Forest_cover_by_state_and...

    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]