Hay-Scented Fern?

Is Dennstaedtia puntilobula invasive? Zone 5, U.S. Thanks.

Hay-Scented Fern?
Dennstaedtia punctilobula (Michx.) T. Moore, Eastern Hay-scented Fern

is considered invasive in Pennsylvania %26amp; some parts of Eastern U.S.

http://www.fs.fed.us/ne/newtown_square/p...



In Illinois: Hay-scented Fern is listed as "Endangered":

http://plants.usda.gov/java/profile?symb...
Reply:You're welcome! Glad to help.

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Reply:so what is your question i do not understand what you are asking can you put alittle more detail in your question.