Illinois Natural History Survey

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July 16, 2010

Evergreens That Aren't

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by Susan L Post All "evergreen" (coniferous) trees in Illinois are not always green. Two unique species, the bald cypress and tama...
July 15, 2010

Threatened and Endangered Species

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by Susan L. Post Illinois hasn't always been corn, soybeans, and canal-like waterways. Historical accounts speak of huge trees, vast g...
June 23, 2010

Insect Appreciation

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by Susan Post A walk on any trail this time of year may offer the expected deer, numerous bird calls, and blooming summer flowers, but it ...
3 comments:
June 18, 2010

The Western Forest-Prairie Division

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Located to the West of the Grand Prairie Division in Illinois, along the Illinois River valley, our 5th division, the Western Forest-Prairi...
June 8, 2010

The Grand Prairie

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This week we look at the fourth natural division , the Grand Prairie Division. This area encompasses much of Illinois, from as far north as ...
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June 7, 2010

Dragonflies

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By Susan Post Illinois has 98 species of dragonflies, all of which are descendants of a prehistoric group at least 250 million years ...
May 28, 2010

Green Tiger Beetle

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by Susan Post Walks along sunny paths in late spring woodlands are likely to yield a harvest of jewels. No, these cannot be co...
8 comments:
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