virginica in Canada

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So is this range map from the Flora of North America not accurate for Ontario?

http://www.efloras.org/object_page.aspx?object_id=8776&flora_id=1

It shows virginica occuring north to the Bruce Peninsula and east
along the shores of Lake Erie and Lake Ontario to Ottawa.

The type locality for Ãrobusta (northern Michigan) also lacks virginica.

Sean Z

Quoting i*@aim.com:

> The only known location of Iris virginica in Canada is Point Pele,
> in Southern Ontario. Quite a few zones warmer then Winnipeg
> Manitoba.
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> Several clumps of Iris x robusta have been located in more northern
> regions of Ontario, but without any coresponding colonies of Iris
> virginica. (personal communication , Tony Huber)
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> I have found several versicolors in wild with wide leaves, and
> quite a variation in flower and bud count. One of the best is a
> versicor collected in Nova Scotia. It wasn't in bloom at time I
> collected it, and because of width of leaves I had at first glance
> had thought it was a pseudacorous.
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> Chuck Chapman
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> -----Original Message-----
> From: Kenneth Walker <k*@astound.net>
> To: i*@yahoogroups.com
> Sent: Sun, Jun 20, 2010 12:13 am
> Subject: Re: [iris-species] Spuria?
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> The leaves seem very wide. Could it be I. virginica rather than I.versicolor?
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> Ken Walker
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> El Hutchison wrote:
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> My friend sent a picture of the iristhey have growing in their bush.
> It looks like I versicolor to me,although it's not a great photo.
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> El
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