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  2. Category:Individual trees in Illinois - Wikipedia

    en.wikipedia.org/wiki/Category:Individual_trees...

    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.

  3. File:Trail Marker Tree located on the border of Mettawa and ...

    en.wikipedia.org/wiki/File:Trail_Marker_Tree...

    Photo is from the 1890's supplied by Lakes Region Historical Society, Lake County, IL. This Trail Marker Tree was one in a long line of Trees that helped lead the Native Americans of the area from the Highland Park area on towards West Lake Forest and Mettawa towards the Chain of Lakes and Antioch, and finally directing them on to Lake Geneva, WI.

  4. 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 ...

  5. List of endangered and threatened animals and plants of Illinois

    en.wikipedia.org/wiki/List_of_endangered_and...

    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 ...

  6. Mazon Creek fossil beds - Wikipedia

    en.wikipedia.org/wiki/Mazon_Creek_fossil_beds

    Mazon Creek flora includes: lycopsids, related to modern club moss, with arborescent forms named Lepidophloios, Sigillaria and Lepidodendron, and herbaceous forms called Lycopodites and Cormophyton; sphenopsids like Calamites a tree-like horsetail relative, with common foliage names of Annularia and Asterophyllites, and a vine-like form called ...

  7. Paleontology in Illinois - Wikipedia

    en.wikipedia.org/wiki/Paleontology_in_Illinois

    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.

  8. 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 ...

  9. 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 ...

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