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Re: native North American aroids

In a message dated 12/08/1999 8:47:06 AM Pacific Standard Time, 
deanslgr@kode.net writes:

> Calla palustris (Water Arum) is found in North America but I'm not sure if
>  it's native here; listed as "temperate regions of NA, Europe and Asia."  I 
> suppose
>  too much scrutiny could start a "What is 'native'?" debate.

It could be one of many circumboreal plants.  A way to check this would be to 
find the earlier floras, and see whether they list it; also, many floras 
specify which plants are "naturalized."

Jason Hernandez

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