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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 ...
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.
The plant can be found in many areas of the south, central, and midwestern United States. It can often be found growing on the sides of roads, particularly on southern exposures, needing full sun and ample moisture during its short growing season. The mature plants often grow and flower in mowed areas.
This category contains the native flora of Illinois as defined by the World Geographical Scheme for Recording Plant Distributions. Taxa of the lowest rank are always included; taxa of higher ranks (e.g. genus) are only included if monotypic or endemic. Include taxa here that are endemic or have restricted distributions (e.g. only a few countries).
There is evidence that the Fox River valley near Silver Springs was populated by indigenous people near the end of the last ice age, 10–14,000 years ago. [1] The original 1,250 acres (510 ha) tract of land that became Silver Springs State Fish and Wildlife Area was purchased by the state of Illinois in 1969, and has been open since January of that year.
The Mazon Creek flora comprises over 400 species from at least 130 genera. However, the true number of species is difficult to determine. Paleobotanists name separate plant structures with different names by convention, inflating the number of fossil plant taxa. Paleobotanists are currently determining which taxa are valid.
Despite their loud, aggressive-sounding buzzing and red-eyed, rather frightful appearance, the periodical cicadas due to emerge en masse this spring in Illinois do not pose a threat to humans ...
[5] [15] Most cemetery prairies are smaller than Rochester and have commensurately lower plant counts, but a survey by the Illinois Department of Natural Resources found an average of 114 native prairie and savanna species per site. [20] Some of the plant species that may be found in undisturbed cemetery prairie include Indian grass, big ...