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Re: iris declared noxious plant

In a message dated 96-10-10 10:18:08 EDT, you write:

> pseudacorus, maybe it is winter, as suggested, that keeps 
>it in check. 

Iris pseudacorus is exceptionally winter hardy, and the cold is not likely to
keep it in check.  The invasive nature of this iris is currently apparent in
the East where it has been grown longer...since colonial times.  It is like
the little battery run bunny in the TV commercial.....another little invader
is DORTHEA K. WILLIAMSON, the little Louisana iris that is now becoming quite
invasive all along the East Coast.  It is lovely, but in the wild it replaces
irises native to the same habitat.  When I am asked to come look at a wild
iris in VA to help identify it these days, it is usually I. pseudacorus or
DORTHEA K. WILLIAMSON. Clarence Mahan in VA. 

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