"Not only does Iris pseudacorus > disperse by freshwater, it is also at least moderately saltwater > tolerant. In my area, it comes down the Columbia River and out to the > ocean beaches, along the beaches, where we find seed pods and seeds > regularly. So far, no demonstrated spread to other estuaries, but > it's a matter of time. " Thanks Kathleen That info is a bomb, as nowadays it is heading to the crab marshes where freshwater mixes with that of the ocean. I totally believe it is a matter of time as over here it has colonized habitats that were evidently impossible to reach. _________________________________________________________________ Espacio de almacenamiento siempre en crecimiento. Con Hotmail almacená 5GB y más. Hacé clic aquí http://descubrewindowslive.com/hotmail/…