Re: native North American aroids
Calla pallustris is native to the Beaulah Bog in Walworth County, SE Wisconsin.
Whitewater Wisconsin zone 4b
Dean Sliger wrote:
> 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. ;-)