Any suggestions on where I may view a picture and instructions for a Arrowhead (Nephthytis)?

I grow some.I actually have 2 right now a solid green one and one with whiteish - a light green.I have them in house in our brief winter but grow as marginal pond plant in the summertime.They root real easy also.
I have a few things ordered from www.waterplants.com
and one item is another arrowhead.
They look good with ferns& claduims.which is how i grew them last year but had rooted a few cuttings in my pond in pots and they grew there cause it was hot outdoors and I stayed in as much as possible as it was HOT outside in TX.
i think mine is"sagittari latiflora" but don't know about my green
oh and my pic is:
http://community.webshots.com/user/njoynit
tulips albulm

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I will age ungracefully until I become an old woman in a small garden..doing whatever the Hell I want!

http://community.webshots.com/user/njoynit03
http://community.webshots.com/user/njoynit
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