Source for Sagittaria cuneata Sheldon

I'm looking for a source (seed, nursery-propagated tuber, or nursery-propagated plant) for Sagittaria cuneata Sheldon. I've found several online for S. latifolia, but none for S. Cuneata Sheldon.
Thanks, Jeff
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I finally found a source:
Bearberry Creek Water Gardens RR2 Sundre, Alberta T0M 1X0 Canada
Phone: +1 (403) 638-4231
Jeff Frontz wrote:

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